Disinfection device for textile processing

Abstract

The utility model discloses a disinfection device for textile processing, which belongs to the technical field of textile processing and comprises a bottom plate, support legs are connected below the bottom plate, and a conveying mechanism is arranged above the bottom plate; according to the textile disinfection device, the material receiving assembly is arranged, after the disinfection mechanism is used for spraying disinfection liquid to disinfect textiles, redundant disinfection liquid on the textiles drips into the material receiving groove, when the disinfection liquid in the material receiving groove is too much, a disinfection liquid collecting container is placed below a discharging pipe, then a sealing end cover is taken down from the end of the discharging pipe in a rotating mode, and then the textiles are disinfected. Disinfectant in the material receiving groove enters the filter screen cylinder through the fixing ring and the end ring, is filtered by the filter screen cylinder and then enters the discharging pipe to be discharged, and the discharged disinfectant drips into the collecting container to be collected. And the disinfectant collected in the collection container is injected into the disinfection mechanism for reuse operation, so that the disinfectant is conveniently collected and reused.

Description

Technical Field

[0001] The utility model belongs to the technical field of textile processing, and in particular relates to a disinfection device for textile processing. Background Art

[0002] Textiles are products made through textile processing, including yarn, woven fabrics, knitted fabrics, braided fabrics, etc. They are divided into two categories: woven fabrics and knitted fabrics.

[0003] Chinese patent application No. 202320320806.3 discloses a textile disinfection device for textile processing, including a body and a hydraulic cylinder, two of the hydraulic cylinders are provided with a textile disinfection structure, the textile disinfection structure includes a shell, the upper surface of the shell is fixedly connected to one end of the two hydraulic cylinders, the inner wall of the shell is fixedly connected to the motor, the lower end of the connecting rod is fixedly connected to the frame, the inner wall of the frame is rotatably connected to a plurality of heating rollers through a pin shaft, through the cooperation of the textile disinfection structure and the body, the motor starts to drive the disc to rotate, the turntable is driven to rotate through a belt, and the short rod is driven to rotate at the same time, and the connecting rod is driven to move left and right on the cross bar through the protruding cylinder on the short rod, the frame is driven to move left and right, and the heating roller rolls on the textile, the textile will not be unable to continue to be transported due to excessive pressing pressure, and manual dredging work is not required, thereby improving work efficiency and reducing manual labor.

[0004] In the above patent, a disinfectant is used to disinfect textiles. After the disinfectant drips into the interior of the machine body, it drips into the surrounding environment along with the machine body, causing the surrounding environment to be slippery and easily causing a waste of disinfectant resources. In addition, after the textiles are sterilized by hot pressing with a heating roller for secondary sterilization, residual heat remains on the textiles, which easily affects the subsequent winding and other processing operations of the textiles. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a disinfection device for textile processing, which has the characteristics of filtering materials and air cooling.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a disinfection device for textile processing, comprising a base plate, a support leg connected to the bottom of the base plate, a conveying mechanism arranged above the base plate, a U-shaped frame connected to the top of the base plate and located at the periphery of the conveying mechanism, a disinfection mechanism arranged on the U-shaped frame, a material receiving assembly arranged on the base plate and at a position corresponding to the disinfection mechanism, a hot pressing mechanism arranged on the U-shaped frame and located at one side of the disinfection mechanism, an ultraviolet disinfection mechanism arranged on the U-shaped frame and located at a side of the hot pressing mechanism away from the disinfection mechanism, and an air cooling assembly arranged on the U-shaped frame and located at the periphery of the ultraviolet disinfection mechanism.

[0007] Preferably, the material receiving assembly includes a discharge pipe, a material receiving trough, a sealing gasket, a sealing end cover and a filter element. A material receiving trough is provided inside the bottom plate at a position corresponding to the disinfection mechanism, a discharge pipe is connected below the material receiving trough, a filter element is provided inside the discharge pipe, a sealing end cover is connected to one end of the discharge pipe, and a sealing gasket is connected on the inner side wall of the sealing end cover at a position corresponding to the discharge pipe.

[0008] Preferably, the filter element comprises a filter cylinder, a fixing ring and an end ring, the fixing ring is connected to the inner side wall of the discharge pipe, the end ring is arranged on one side of the fixing ring, and the filter cylinder is connected to the side of the end ring away from the fixing ring.

[0009] Preferably, a connecting ring is connected to one side of the end ring close to the fixing ring, a connecting groove is provided inside the fixing ring at a position corresponding to the connecting ring, and a rotating rod is connected to one end of the filter cylinder.

[0010] Preferably, the air cooling component includes an air condenser hood, a mounting port, a fan, a square tube, an air outlet and a connecting pipe. The air condenser hood is connected to the top of the U-shaped frame, and a mounting port is provided above the air condenser hood. A fan is provided inside the air condenser hood and at a position corresponding to the mounting port. The square tube is connected to the inner wall of the U-shaped frame, a connecting pipe is connected to the side of the square tube close to the U-shaped frame and located inside the air condenser hood, and a plurality of air outlets are provided on the side of the square tube away from the U-shaped frame.

[0011] Preferably, a mounting ring is connected inside the mounting opening, a connecting rod is connected between the mounting ring and the fan, and a filter is connected inside the mounting ring.

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

[0013] 1. The utility model is provided with a material receiving assembly. After the disinfection mechanism is used to spray disinfectant to disinfect the textiles, excess disinfectant on the textiles drips into the receiving trough. When there is too much disinfectant in the receiving trough, the disinfectant collection container is placed under the discharge pipe, and then the sealing end cover is removed by rotating from the end of the discharge pipe. The disinfectant in the receiving trough enters the filter cylinder through the fixing ring and the end ring, and then enters the discharge pipe after being filtered through the filter cylinder for discharging. The disinfectant after discharging drips into the collecting container for collection, and then the disinfectant collected in the collecting container is injected into the disinfection mechanism for reuse, so as to facilitate the collection and reuse of the disinfectant.

[0014] 2. The utility model is provided with an air cooling component, and the mounting ring is rotatably connected to the inside of the mounting port, so that the fan can be installed inside the wind collecting hood. When the textiles after subsequent hot pressing and sterilization are transported to the bottom of the square tube, the fan is started, and the wind force generated by the fan operation is gathered inside the wind collecting hood, and then input into the inside of the square tube through the connecting pipe, and then blown to the textiles through the air outlet, so as to perform air cooling and cooling operation on the textiles after hot pressing and sterilization, thereby ensuring the normal temperature of the textiles and facilitating the subsequent winding of the textiles and other processing operations on the textiles. 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 cross-sectional view of the connection state between the bottom plate and the U-shaped frame of the utility model;

[0017] Figure 3 It is a cross-sectional view of the wind collecting hood of the utility model;

[0018] Figure 4 For this utility model Figure 3 The enlarged view of point A in the middle;

[0019] Figure 5 It is a cross-sectional view of the discharge pipe of the utility model;

[0020] Figure 6 For this utility model Figure 5 Enlarged view of point B in the middle.

[0021] In the figure: 1. U-shaped frame; 2. disinfection mechanism; 3. air cooling assembly; 31. wind hood; 32. mounting ring; 33. mounting port; 34. fan; 35. square tube; 36. air outlet; 37. connecting pipe; 4. support leg; 5. bottom plate; 6. hot pressing mechanism; 7. ultraviolet disinfection mechanism; 8. conveying mechanism; 9. material receiving assembly; 91. discharge pipe; 92. material receiving trough; 93. sealing gasket; 94. sealing end cover; 95. filter element; 951. filter cylinder; 952. fixing ring; 953. end ring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1

[0024] See also Figure 1-6The utility model provides the following technical solutions: a disinfection device for textile processing, comprising a bottom plate 5, a support leg 4 connected to the bottom of the bottom plate 5, a conveying mechanism 8 arranged above the bottom plate 5, a U-shaped frame 1 connected to the top of the bottom plate 5 and located at the periphery of the conveying mechanism 8, a disinfection mechanism 2 is arranged on the U-shaped frame 1, a material receiving assembly 9 is arranged on the bottom plate 5 and at a position corresponding to the disinfection mechanism 2, a hot pressing mechanism 6 is arranged on the U-shaped frame 1 and located on one side of the disinfection mechanism 2, an ultraviolet disinfection mechanism 7 is arranged on the U-shaped frame 1 and located on the side of the hot pressing mechanism 6 away from the disinfection mechanism 2, and an air cooling assembly 3 is arranged on the U-shaped frame 1 and located at the periphery of the ultraviolet disinfection mechanism 7.

[0025] Specifically, the material receiving assembly 9 includes a discharge pipe 91, a material receiving trough 92, a sealing gasket 93, a sealing end cover 94 and a filter 95. The material receiving trough 92 is arranged inside the bottom plate 5 and at a position corresponding to the disinfection mechanism 2. The discharge pipe 91 is connected below the material receiving trough 92. The filter 95 is arranged inside the discharge pipe 91. One end of the discharge pipe 91 is connected to the sealing end cover 94. The sealing gasket 93 is connected to the inner side wall of the sealing end cover 94 and at a position corresponding to the discharge pipe 91.

[0026] By adopting the above technical solution, after the disinfection mechanism 2 is used to spray disinfectant on the textiles for the initial disinfection, the excess disinfectant drips into the receiving trough 92 for collection. When the disinfectant in the receiving trough 92 needs to be taken out for reuse, the sealing end cover 94 is rotated and removed from the end of the discharge pipe 91. The disinfectant in the receiving trough 92 is filtered through the filter element 95 and then discharged through the discharge pipe 91, which is convenient for collecting and reusing the disinfectant and avoiding waste of disinfectant resources.

[0027] Specifically, the filter element 95 includes a filter cylinder 951, a fixing ring 952 and an end ring 953. The fixing ring 952 is connected to the inner side wall of the discharge pipe 91, and the end ring 953 is provided on one side of the fixing ring 952. The filter cylinder 951 is connected to the side of the end ring 953 away from the fixing ring 952.

[0028] By adopting the above technical solution, the disinfectant in the receiving trough 92 enters into the filter cylinder 951 through the fixing ring 952 and the end ring 953, and then enters into the discharge pipe 91 for discharging operation after being filtered by the filter cylinder 951.

[0029] Specifically, a connecting ring is connected to one side of the end ring 953 close to the fixing ring 952, a connecting groove is provided inside the fixing ring 952 at a position corresponding to the connecting ring, and a rotating rod is connected to one end of the filter cylinder 951.

[0030] By adopting the above technical solution, when it is necessary to clean the debris inside the filter cylinder 951, hold the rotating rod and rotate it. The rotation of the rotating rod drives the filter cylinder 951 to rotate. The rotation of the filter cylinder 951 drives the connecting ring to rotate away from the connecting groove. The filter cylinder 951 is then taken out from the discharge pipe 91, and the debris inside the filter cylinder 951 is then cleaned.

[0031] When the present embodiment is used, during the textile processing, when it is necessary to disinfect the textile, the textile to be disinfected is firstly transported to the inside of the U-shaped frame 1 by using the conveying mechanism 8. During the textile conveying process, when the textile is transported to the bottom of the disinfection mechanism 2, the disinfection mechanism 2 is used to spray the disinfectant to perform the initial disinfection operation on the textile. After the disinfection, the excess disinfectant on the textile drips into the receiving trough 92 for collection. When the textile after the initial disinfection is transported to the bottom of the hot pressing mechanism 6, the hot pressing mechanism 6 is used to perform the hot pressing disinfection operation on the textile after the initial disinfection. The textile after the hot pressing disinfection is transported to the bottom of the ultraviolet disinfection mechanism 7 for ultraviolet disinfection. When there is too much disinfectant in the receiving trough 92, the disinfectant collection container is placed under the discharge pipe 91. , then remove the sealing end cap 94 from the end of the discharge pipe 91 by rotating, and the disinfectant in the receiving groove 92 enters the filter cylinder 951 through the fixing ring 952 and the end ring 953, and enters the discharge pipe 91 after being filtered by the filter cylinder 951 for discharging operation, and the disinfectant after discharging drips into the collecting container for collection operation, and then the disinfectant collected in the collecting container is injected into the disinfection mechanism 2 for re-disinfection operation, which is convenient for collecting and reusing the disinfectant and avoiding waste of disinfectant resources, and then the rotating rod is rotated by hand, and the rotation of the rotating rod drives the filter cylinder 951 to rotate, and the rotation of the filter cylinder 951 drives the connecting ring to rotate away from the connecting groove, and then the filter cylinder 951 is taken out from the discharge pipe 91, and then the debris in the filter cylinder 951 is cleaned, which is convenient for the operator to operate;

[0032] Example 2

[0033] The present embodiment is different from the embodiment 1 in that: the air cooling assembly 3 includes an air condenser 31, a mounting port 33, a fan 34, a square tube 35, an air outlet 36 and a connecting pipe 37; the air condenser 31 is connected to the top of the U-shaped frame 1; the mounting port 33 is provided above the air condenser 31; the fan 34 is provided inside the air condenser 31 and at a position corresponding to the mounting port 33; the square tube 35 is connected to the inner wall of the U-shaped frame 1; the connecting pipe 37 is connected to the side of the square tube 35 close to the U-shaped frame 1 and located inside the air condenser 31; a plurality of air outlets 36 are provided on the side of the square tube 35 away from the U-shaped frame 1;

[0034] Specifically, the interior of the installation opening 33 is connected to a mounting ring 32, a connecting rod is connected between the mounting ring 32 and the fan 34, and a filter is connected to the interior of the mounting ring 32.

[0035] By adopting the above technical solution, the mounting ring 32 is rotatably connected to the inside of the mounting opening 33, so that the fan 34 can be installed inside the wind collecting hood 31, which facilitates the disassembly and assembly of the fan 34. At the same time, the filter net can be installed at the end of the mounting opening 33. Under the action of the filter net, the air entering the inside of the wind collecting hood 31 can be filtered.

[0036] When this embodiment is used, the mounting ring 32 is rotatably connected to the inside of the mounting opening 33, so that the fan 34 can be installed inside the wind collecting hood 31. When the textiles after subsequent hot pressing and sterilization are transported to the bottom of the square tube 35, the fan 34 is started, and the wind force generated by the operation of the fan 34 is gathered inside the wind collecting hood 31, and then input into the inside of the square tube 35 through the connecting pipe 37, and then blown to the textiles through the air outlet 36, so as to perform air cooling operation on the textiles after hot pressing and sterilization, thereby ensuring the normal temperature of the textiles and facilitating the subsequent winding of the textiles and other processing operations on the textiles.

[0037] The fan 34 in the utility model is an existing disclosed technology, and the selected model is G-71A.

[0038] The structure and principle of the disinfection mechanism 2 composed of a suction pump, a disinfection box, a feed port, a discharge pipe, and a spray head in the utility model have been disclosed in a textile disinfection device for textile processing disclosed in Chinese patent application No. 202320320806.3, and its working principle is: a disinfection box is connected to the top of the U-shaped frame 1, the upper surface of the disinfection box is connected to the feed port, the lower surface of the disinfection box is connected to the discharge pipe, and the discharge pipe runs through the U-shaped frame 1, a suction pump is provided on the discharge pipe, and a spray head is provided at the lower end of the discharge pipe. When in use, when the textile moves to the bottom of the spray head, the external power supply of the suction pump is turned on, and the suction pump is started to spray the disinfectant in the disinfection box from the spray head to the textile through the discharge pipe, so as to perform preliminary disinfection on the textile.

[0039] The structure and principle of the hot pressing mechanism 6 composed of a shell, a belt, a turntable, a short rod, a vertical rod, a cross rod, a square frame, a heating roller, a motor, a disc, and a hydraulic cylinder in the utility model have been disclosed in a textile disinfection device for textile processing disclosed in Chinese patent application No. 202320320806.3, and its working principle is: a hydraulic cylinder is connected to the inner wall of the U-shaped frame 1, and the output end of the hydraulic cylinder is connected to the shell, the inner wall of the shell is fixedly connected to the motor, the motor output shaft is fixedly connected to the disc, the disc is rotatably connected to the turntable through a belt, the turntable is rotatably connected to the inner wall of the shell through a pin shaft, the turntable is fixedly connected to the short rod, the protruding cylinder on the short rod is slidably connected to the slideway processed in the vertical rod, the inner wall of the vertical rod is socketed with the cross rod, and the two sides of the cross rod are respectively connected to the inner wall of the shell The vertical rod is fixedly connected, and the lower end of the vertical rod is fixedly connected to the square frame. The inner wall of the square frame is rotatably connected to multiple heating rollers through a pin shaft. The multiple heating rollers can rotate in the square frame. When in use, the external power supply of the two hydraulic cylinders is connected, and the hydraulic cylinders are started to drive the outer shell to move downward, driving the multiple heating rollers to press the textiles, and then the external power supply of the motor is connected, and the motor starts to drive the disc to rotate, and the turntable is driven to rotate through the belt, and the short rod is driven to rotate at the same time. Through the protruding cylinder on the short rod, the vertical rod is driven to move left and right on the cross rod, and the square frame is driven to move left and right. At the same time, the multiple heating rollers are driven to roll left and right on the textiles. At the same time, the external power supply of the multiple heating rollers is connected, and the heating wire is energized. The heat generated by the energization of the heating wire is transferred to the heating roller, and the textiles are hot pressed for secondary disinfection.

[0040] The structure and principle of the ultraviolet disinfection mechanism 7 composed of an ultraviolet disinfection lamp and a fixed block in the utility model have been disclosed in a textile disinfection device for textile processing disclosed in Chinese patent application No. 202320320806.3, and its working principle is: a fixed block is connected to the inner wall of the U-shaped frame 1, and an ultraviolet disinfection lamp is connected under the fixed block. When in use, the external power supply of the ultraviolet disinfection lamp is turned on, and when the textile moves to the bottom of the ultraviolet disinfection lamp, the ultraviolet disinfection lamp starts to perform the final disinfection on the textile, thereby completing the disinfection of the textile.

[0041] The structure and principle of the conveying mechanism 8 composed of the first vertical plate, the first guide roller, the second transmission roller, the first short plate, the second short plate, the second guide roller, the first transmission roller and the second vertical plate in the utility model have been disclosed in a textile disinfection device for textile processing disclosed in Chinese patent application No. 202320320806.3. Its working principle is: the inner wall of the bottom plate 5 is fixedly connected to the first vertical plate and the second vertical plate to fix the position of the first vertical plate and the second vertical plate, the first vertical plate and the second vertical plate are rotatably connected to the first guide roller and the first transmission roller respectively through the pin shaft, and the first guide roller and the first transmission roller can rotate on the first vertical plate and the second vertical plate respectively The inner wall of the bottom plate 5 is fixedly connected with the first short plate and the second short plate to fix the position of the first short plate and the second short plate. The first short plate and the second short plate are rotatably connected with the second transmission roller and the second guide roller through the pin shaft respectively. The second transmission roller and the second guide roller can rotate on the first short plate and the second short plate respectively. When in use, the textiles to be sterilized are respectively passed through the first transmission roller, the second guide roller, the second transmission roller and the first guide roller, and connected to the first guide roller. At the same time, the external power supply of the first guide roller and the second guide roller is turned on. The external power supply of the first guide roller and the second guide roller can be a motor, and the textiles are transported to the right through the first transmission roller and the second transmission roller.

[0042] Working principle and use process of the utility model: in the textile processing process of the utility model, when the textile needs to be disinfected, the mounting ring 32 is rotated and connected to the inside of the mounting port 33, so that the fan 34 can be installed in the wind collecting cover 31, and the textile to be disinfected is transported to the inside of the U-shaped frame 1 by the conveying mechanism 8. During the textile conveying process, when the textile is transported to the bottom of the disinfection mechanism 2, the disinfection mechanism 2 is used to spray disinfectant on the textile for the initial disinfection operation. After disinfection, the excess disinfectant on the textile drips into the receiving trough 92 for collection. When the textile after the initial disinfection is transported to the bottom of the hot pressing mechanism 6, the hot pressing mechanism 6 is used to perform hot pressing and disinfection on the textile after the initial disinfection. The fan 34 is started, and when the textile after hot pressing and disinfection is transported to the bottom of the square tube 35, the wind force generated by the operation of the fan 34 is gathered in the wind collecting cover 31, and then input into the inside of the square tube 35 through the connecting pipe 37, and then blown to the textile through the air outlet 36, and the textile after hot pressing and disinfection is cooled by air to ensure the normal The textiles are cooled by air and transported to the bottom of the ultraviolet disinfection mechanism 7 for ultraviolet disinfection. When there is too much disinfectant in the receiving trough 92, the disinfectant collection container is placed under the discharge pipe 91, and the sealing end cover 94 is removed from the end of the discharge pipe 91. The disinfectant in the receiving trough 92 enters the filter cylinder 951 through the fixing ring 952 and the end ring 953, and then enters the discharge pipe 91 after being filtered. During the discharging operation, the disinfectant after discharging drips into the collecting container for collection operation, and then the disinfectant collected in the collecting container is injected into the disinfection mechanism 2 for re-disinfection operation, so as to collect and reuse the disinfectant and avoid wasting disinfectant resources. Then, the rotating rod is rotated by hand, and the rotation of the rotating rod drives the filter cylinder 951 to rotate. The rotation of the filter cylinder 951 drives the connecting ring to rotate away from the connecting groove, and then the filter cylinder 951 is taken out from the discharge pipe 91, and then the debris inside the filter cylinder 951 is cleaned, so as to facilitate the operation of the operator.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A disinfection device for textile processing, comprising a bottom plate, characterized in that: A supporting leg is connected below the bottom plate, a conveying mechanism is arranged above the bottom plate, a U-shaped frame is connected above the bottom plate and located at the periphery of the conveying mechanism, a disinfection mechanism is arranged on the U-shaped frame, a material receiving assembly is arranged on the bottom plate and at a position corresponding to the disinfection mechanism, a hot pressing mechanism is arranged on the U-shaped frame and located at one side of the disinfection mechanism, an ultraviolet disinfection mechanism is arranged on the U-shaped frame and located at a side of the hot pressing mechanism away from the disinfection mechanism, and an air cooling assembly is arranged on the U-shaped frame and located at the periphery of the ultraviolet disinfection mechanism.

2. A disinfection device for textile processing according to claim 1, characterized in that: The material receiving assembly includes a discharge pipe, a material receiving trough, a sealing gasket, a sealing end cover and a filter. A material receiving trough is arranged inside the bottom plate at a position corresponding to the disinfection mechanism, a discharge pipe is connected below the material receiving trough, a filter is arranged inside the discharge pipe, a sealing end cover is connected to one end of the discharge pipe, and a sealing gasket is connected on the inner side wall of the sealing end cover at a position corresponding to the discharge pipe.

3. A disinfection device for textile processing according to claim 2, characterized in that: The filter element comprises a filter cylinder, a fixing ring and an end ring. The inner side wall of the discharge pipe is connected with the fixing ring, one side of the fixing ring is provided with the end ring, and the side of the end ring away from the fixing ring is connected with the filter cylinder.

4. A disinfection device for textile processing according to claim 3, characterized in that: A connecting ring is connected to one side of the end ring close to the fixing ring, a connecting groove is arranged inside the fixing ring and at a position corresponding to the connecting ring, and a rotating rod is connected to one end of the filter cylinder.

5. A disinfection device for textile processing according to claim 1, characterized in that: The air cooling component includes an air condenser, a mounting port, a fan, a square tube, an air outlet and a connecting pipe. The air condenser is connected to the top of the U-shaped frame, and the mounting port is arranged above the air condenser. The fan is arranged inside the air condenser and at a position corresponding to the mounting port. The inner wall of the U-shaped frame is connected to the square tube, and a connecting pipe is connected to the side of the square tube close to the U-shaped frame and located inside the air condenser, and a plurality of air outlets are arranged on the side of the square tube away from the U-shaped frame.

6. A disinfection device for textile processing according to claim 5, characterized in that: The interior of the installation opening is connected with an installation ring, a connecting rod is connected between the installation ring and the fan, and the interior of the installation ring is connected with a filter screen.

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