Condensate water anti-reflux device of breathing machine

Abstract

The invention discloses a breathing machine condensate water anti-backflow device, and relates to the technical field of medical instruments, the breathing machine condensate water anti-backflow device comprises a device main body mechanism, the device main body mechanism comprises a condensate water collecting cylinder, the bottom surface of the condensate water collecting cylinder is fixedly connected with a lower bottom plate, and the bottom surface of the condensate water collecting cylinder is fixedly communicated with a switch valve; the upper surface of the switch valve is fixedly connected with the bottom surface of the lower bottom plate, the output end of the switch valve is fixedly communicated with a drainage pipe, the upper surface of the condensate water collecting barrel is fixedly communicated with two communicating pipes, and the top ends of the two communicating pipes are fixedly communicated with connecting pipes. A water outlet of the anti-backflow one-way valve is always located above the surface of condensate water in the condensate water collecting barrel, the problem that the condensate water in the condensate water collecting barrel flows back is solved, when the water level of the condensate water in the condensate water collecting barrel reaches a certain height, the condensate water in the condensate water collecting barrel is automatically drained, and maintenance and overhaul of the device by medical staff are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a condensed water backflow prevention device for a ventilator. Background Art

[0002] The ventilator condensate anti-backflow device is an important component in the design of medical equipment. It is used in treatment processes such as continuous positive airway pressure CPAP, BiPAP or mechanical ventilation. When air enters the patient's respiratory tract through the ventilator, it will contain moisture and form condensate. If this condensate flows back into the machine, it may cause machine failure and even have a negative impact on the patient's treatment. At this time, a ventilator condensate anti-backflow device is needed to prevent the condensate from flowing back into the ventilator host.

[0003] When in use, the existing ventilator condensate anti-backflow device is equipped with an anti-backflow one-way valve to ensure that the gas can only flow in a predetermined direction, that is, from the lungs to the mask, and then from the mask through the machine to be discharged, without allowing condensate to flow back into the respiratory tract or inside the machine. However, the ventilator condensate anti-backflow device requires medical staff to frequently observe the condensate content in the condensate collection tube, and manually process the condensate in the condensate collection tube. If the maintenance is improper or the valve performance deteriorates, the ventilator condensate anti-backflow device will become ineffective, and the condensate may flow back, affecting the machine performance or causing complications.

[0004] Combining the above problems, we will find that it is difficult to avoid the above problems at the same time when using the existing ventilator condensate anti-backflow device on the market, and even if it can be solved, it needs to be solved through external tools, which cannot achieve the desired effect. Therefore, we propose a ventilator condensate anti-backflow device. Summary of the invention

[0005] The object of the present invention is to provide a condensed water backflow prevention device for a ventilator to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a condensate backflow prevention device for a ventilator, comprising a device main body mechanism, the device main body mechanism comprising a condensate water collecting cylinder, the bottom surface of the condensate water collecting cylinder is fixedly connected to a lower bottom plate, the bottom surface of the condensate water collecting cylinder is fixedly connected to a switch valve, the upper surface of the switch valve is fixedly connected to the bottom surface of the lower bottom plate, the output end of the switch valve is fixedly connected to a drain pipe, the upper surface of the condensate water collecting cylinder is fixedly connected to two connecting pipes, the top ends of the two connecting pipes are fixedly connected to connecting pipes, and the surface of the lower bottom plate is provided with a drainage cleaning mechanism;

[0007] The drainage cleaning mechanism includes an automatic drainage unit, which is located on the surface of the lower bottom plate and is used to automatically drain the condensed water in the condensed water collecting cylinder;

[0008] The drainage cleaning mechanism also includes an output cleaning unit, which is located on the surface of the lower bottom plate and is used in conjunction with the automatic drainage unit. The output cleaning unit is used to clean the drainage output port of the condensate water collection cylinder;

[0009] The surface and bottom of the automatic drainage unit are jointly provided with a horizontal maintenance mechanism, and the horizontal maintenance mechanism is used in conjunction with a drainage cleaning mechanism, and the horizontal maintenance mechanism is used to maintain the vertical setting of the condensate water collecting cylinder.

[0010] Preferably, the automatic drainage unit includes four mounting limit plates, the bottom surface of each mounting limit plate is fixedly connected to the upper surface of the condensate collecting barrel, the upper surfaces of the four mounting limit plates are commonly fixedly connected to an upper top plate, the top ends of the two connecting pipes pass through the upper top plate and extend to the surface of the upper top plate, a movable frame is provided on the surface of the condensate collecting barrel, each mounting limit plate is slidably connected to the inside of the movable frame, and a plurality of snap-in sliding plates are fixedly connected to the bottom surface of the movable frame, and the side surfaces of the plurality of snap-in sliding plates close to each other are all connected to the outer surface of the condensate collecting barrel. The outer surface of the condensate water collecting cylinder is fixedly connected with a plurality of automatic output water pipes, and the outer surface of each of the automatic output water pipes is fixedly connected with an auxiliary control block. The side surfaces of the plurality of auxiliary control blocks close to each other are fixedly connected with the outer surface of the condensate water collecting cylinder, and the upper surface of each of the auxiliary control blocks is provided with a card-connecting switch groove, and the plurality of the card-connecting switch grooves are respectively connected with the plurality of automatic output water pipes, and the plurality of the card-connecting sliding plates are respectively slidably connected to the interior of the plurality of the card-connecting switch grooves, and the inner bottom wall of each of the card-connecting switch grooves and each card-connecting sliding plate are respectively connected to the inner bottom wall of each of the card-connecting switch grooves. The bottom surfaces of the plates are fixedly inlaid with magnetic blocks, and the magnetic blocks are divided into two groups, with four magnetic blocks in each group, and the bottom surfaces of one group of magnetic blocks are in contact with the upper surfaces of the other group of magnetic blocks. A buoyancy block is arranged inside the condensate water collecting cylinder, and a backflow prevention one-way valve is fixedly connected to the top of the buoyancy block. Two telescopic hoses are fixedly connected to the outer surface of the backflow prevention one-way valve, and the bottom ends of the two connecting pipes are fixedly connected to mounting pipes, and the bottom ends of the two mounting pipes pass through the condensate water collecting cylinder and extend to the inside of the condensate water collecting cylinder, and the top ends of the two telescopic hoses are divided into The condensate collecting cylinder is provided with five sliding holes, four of which are slidably connected to the inside of the four sliding holes, and the bottom ends of the four connecting columns are respectively slidably connected to the insides of the four sliding holes, and the bottom ends of the four connecting columns and the top ends of the other four connecting columns are jointly fixedly connected with four telescopic springs.

[0011] Preferably, outer surfaces of the two connecting pipes are fixedly connected with reinforcement rings, and bottom surfaces of the two reinforcement rings are fixedly connected to the bottom surface of the upper top plate.

[0012] Preferably, the upper surface of the anti-backflow one-way valve is fixedly connected with a stable limit cylinder, the bottom surface of the movable frame is fixedly connected with a stable limit column, the stable limit column is slidably connected to the inside of another sliding hole, and the stable limit column is slidably connected to the inside of the stable limit cylinder.

[0013] Preferably, the outer surface of each telescopic spring is provided with two stabilizing sleeves, and the stabilizing sleeves are divided into two groups, with four stabilizing sleeves in each group, and the side surfaces of the two groups of stabilizing sleeves away from each other are respectively fixedly connected to the bottom ends of four of the connecting columns and the top ends of the other four connecting columns.

[0014] Preferably, the output cleaning unit includes a plurality of rotating rods, and the plurality of rotating rods are rotatably connected to the inside of a plurality of auxiliary control blocks respectively. The outer surface of each rotating rod is fixedly connected with a water impact rotating blade, and the plurality of water impact rotating blades are rotatably connected to the inside of a plurality of automatic output water pipes respectively. The two side surfaces of each auxiliary control block are fixedly connected with a gear protection box, and the two ends of each rotating rod are fixedly connected with a first bevel gear, and the inside of each gear protection box is rotatably connected with a transmission rod, and the ends of the plurality of transmission rods that are close to each other successively penetrate the gear protection box and the condensate collecting cylinder and extend to the inside of the condensate collecting cylinder, and the ends of the plurality of transmission rods that are far away from each other are connected to the gear protection box and the condensate collecting cylinder respectively. The ends are fixedly connected with second bevel gears, and several of the first bevel gears are respectively meshed with several second bevel gears one by one. The ends of several transmission rods close to each other are fixedly connected with third bevel gears. The inner wall of the condensate collecting cylinder is fixedly connected with several groups of extension bearings, and the number of extension bearings in each group is two. The inner ring of each group of extension bearings is fixedly connected with a cleaning shaft, and both ends of each group of cleaning shafts are fixedly connected with fourth bevel gears, and several of the third bevel gears are respectively meshed with several fourth bevel gears one by one. The outer surfaces of several cleaning shafts are fixedly connected with cleaning brushes, and the cleaning end of each cleaning brush is in contact with the inner wall of the condensate collecting cylinder.

[0015] Preferably, both side surfaces of each of the auxiliary control blocks are fixedly connected with a first sealed bearing, the outer surfaces of several of the rotating rods are respectively fixedly connected with the inner rings of several first sealed bearings, the outer surface of the condensate collecting cylinder is fixedly connected with several second sealed bearings, and the outer surfaces of several of the transmission rods are respectively fixedly connected with the inner rings of several second sealed bearings.

[0016] Preferably, the horizontal maintaining mechanism includes an extension rope, the top end of the extension rope is fixedly connected to the bottom surface of the lower base plate, the bottom end of the extension rope is fixedly connected to a weighted lead ball, the bottom surface of the lower base plate is fixedly connected to four support legs, the outer surface of each of the support legs is sleeved with a support tube, the bottom surface of each of the support tubes is fixedly connected to a supporting chassis, the outer surfaces of the two connecting tubes are fixedly connected to extension sleeves, the outer surfaces of the two extension sleeves are provided with hinged grooves, the inner walls of the two hinged grooves are movably hinged with two half-moon clamps, the top ends of the two connecting tubes are fixedly connected to telescopic tubes, the two telescopic tubes are respectively slidably connected to the inside of the two extension sleeves, the inner walls of the four half-moon clamps are respectively in contact with the outer surfaces of the two telescopic tubes, the top ends of the two telescopic tubes are fixedly connected to extension tubes, the two extension tubes are respectively slidably connected to the inside of the two extension sleeves.

[0017] Preferably, the outer surface of each support tube is fixedly connected with a mounting support ring, and the bottom surfaces of the four mounting support rings are fixedly connected to the upper surfaces of four support chassis respectively.

[0018] Preferably, the outer surface of each of the half-moon retaining rings is fixedly connected to a fastening block, the right sides of the two fastening blocks are respectively in contact with the left sides of the other two fastening blocks, and the interior of the four fastening blocks are commonly threadedly connected to two fastening bolts, and the right ends of the two fastening bolts pass through the two fastening blocks in sequence and extend to the outside of the half-moon retaining ring.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The present invention provides an automatic drainage unit, which can use buoyancy to ensure that the outlet of the anti-backflow one-way valve of the condensate backflow prevention device of the ventilator is always located above the water surface of the condensate in the condensate collecting cylinder, thereby reducing the problem of condensate in the condensate collecting cylinder flowing back into the breathing pipe of the ventilator through the damaged anti-backflow one-way valve, thereby improving the service life of the ventilator equipped with the condensate backflow prevention device, and when the condensate level in the condensate collecting cylinder reaches a certain height, the condensate inside can be automatically discharged, thereby reducing the need for medical staff to maintain and overhaul the condensate backflow prevention device of the ventilator, saving the time and energy of medical staff.

[0021] 2. The present invention provides an output cleaning unit, which can discharge the condensed water in the condensed water collecting cylinder outwardly by using the automatic output water pipe. Since there may be dust and impurities in the air in the breathing pipe of the ventilator, they will be mixed with the condensed water and enter the condensed water collecting cylinder. The debris in the condensed water may be adsorbed to the inner wall of the condensed water collecting cylinder. By providing a rotating rod in the auxiliary control block, the water impact rotating blades fixed outside the rotating rod can be rotated under the impact of the water flow in the automatic output water pipe, so that the cleaning brush can be conveniently rotated in the condensed water collecting cylinder and clean the water outlet of the condensed water collecting cylinder through the meshing transmission between the first bevel gear, the second bevel gear, the third bevel gear and the fourth bevel gear. The cleaned debris will be discharged together with the condensed water, thereby reducing the blockage problem of the water outlet of the condensed water collecting cylinder, further reducing the maintenance and inspection of the condensed water backflow prevention device of the ventilator by medical staff, and saving the time and energy of medical staff.

[0022] 3. The present invention is provided with a horizontal maintenance mechanism, which can cooperate with the use of an automatic drainage unit and an output cleaning unit. By extending a rope to fix the weighted lead ball on the bottom of the device, the center of gravity of the device can be lowered by the weight of the weighted lead ball, so that the device is located as far as possible at the lowest end of the ventilation duct of the ventilator, and a stable and retractable support structure is formed by supporting legs, supporting tubes and supporting chassis, so that the device can be located at the lowest end of the ventilation duct of the ventilator and supported on the ground. By adjusting the length of the telescopic tube in the extension sleeve and the extension tube, the position of the condensate collecting tube can be adjusted, so that the condensate collecting tube can be conveniently adjusted to be located at the lowest end of the ventilation duct of the ventilator, further reducing the problem of condensate in the condensate collecting tube flowing back from the condensate backflow prevention device to the ventilation duct of the ventilator, thereby reducing the problems affecting the performance of the machine or causing complications to patients. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a bottom view structural schematic diagram of the weighted shot put of the present invention;

[0025] Figure 3 It is a schematic cross-sectional structure diagram of the condensate water collecting cylinder of the present invention;

[0026] Figure 4 This is a schematic diagram of the structure of installing a limit plate in the present invention;

[0027] Figure 5 It is a bottom-up structural schematic diagram of the buoyancy block of the present invention;

[0028] Figure 6 It is a structural schematic diagram of the telescopic hose of the present invention;

[0029] Figure 7 It is a schematic diagram of the structure of the cleaning brush of the present invention;

[0030] Figure 8 It is a rear view structural schematic diagram of the water impact rotor blade of the present invention;

[0031] Fig. 9 It is a structural schematic diagram of a half-moon clasp of the present invention;

[0032] Fig.10 It is a structural schematic diagram of the telescopic tube of the present invention.

[0033] In the figure: 1. main body of the device; 11. condensate water collecting cylinder; 12. lower bottom plate; 13. switch valve; 14. drain pipe; 15. connecting pipe; 16. connecting pipe; 2. drainage cleaning mechanism; 21. automatic drainage unit; 2101. installation limit plate; 2102. upper top plate; 2103. sliding hole; 2104. moving frame; 2105. buoyancy block; 2106. installation pipe; 2107. telescopic hose; 2108. fastening threaded sleeve; 2109. anti-backflow check valve; 2110. connecting column; 2111. telescopic spring; 2112. stabilizing sleeve; 2113. stabilizing limit cylinder; 2114. stabilizing limit column; 2115. snap-on sliding plate; 2116. automatic output water pipe; 2117. auxiliary control block; 2118. snap-on switch slot; 2119. reinforcement ring; 2120. magnetic suction block; 22, output cleaning unit; 2201, gear protection box; 2202, rotating rod; 2203, water impact rotating blade; 2204, first sealed bearing; 2205, first bevel gear; 2206, second bevel gear; 2207, transmission rod; 2208, second sealed bearing; 2209, third bevel gear; 2210, fourth bevel gear; 2211, extension bearing; 2212, cleaning shaft; 2213, cleaning brush; 3, horizontal maintenance mechanism; 301, extension rope; 302, weighted lead ball; 303, support leg; 304, support tube; 305, support chassis; 306, installation support ring; 307, extension sleeve; 308, hinge slot; 309, half-moon retaining ring; 310, fastening block; 311, fastening bolt; 312, telescopic tube; 313, extension tube. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Example 1: Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The present invention provides a technical solution: a ventilator condensate backflow prevention device, comprising a device main body mechanism 1, the device main body mechanism 1 comprises a condensate water collecting cylinder 11, the bottom surface of the condensate water collecting cylinder 11 is fixedly connected with a lower bottom plate 12, the bottom surface of the condensate water collecting cylinder 11 is fixedly connected with a switch valve 13, the upper surface of the switch valve 13 is fixedly connected with the bottom surface of the lower bottom plate 12, the output end of the switch valve 13 is fixedly connected with a drain pipe 14, by using the cooperation of the switch valve 13 and the drain pipe 14, the condensate in the condensate water collecting cylinder 11 can be completely discharged by medical staff, so as to facilitate the maintenance and repair of the ventilator condensate backflow prevention device, the upper surface of the condensate water collecting cylinder 11 is fixedly connected with two connecting pipes 15, the top ends of the two connecting pipes 15 are fixedly connected with connecting pipes 16, and the surface of the lower bottom plate 12 is provided with a drainage cleaning mechanism 2;

[0036] The drainage cleaning mechanism 2 includes an automatic drainage unit 21 . The automatic drainage unit 21 is located on the surface of the lower base plate 12 . The automatic drainage unit 21 is used to automatically drain the condensed water in the condensed water collecting cylinder 11 .

[0037] As a further limitation of the drainage cleaning mechanism 2 of the present invention, the automatic drainage unit 21 includes four mounting limit plates 2101, the bottom surface of each mounting limit plate 2101 is fixedly connected to the upper surface of the condensate collecting barrel 11, the upper surfaces of the four mounting limit plates 2101 are commonly fixedly connected to an upper top plate 2102, the top ends of the two connecting pipes 16 pass through the upper top plate 2102 and extend to the surface of the upper top plate 2102, and a movable frame 2104 is provided on the surface of the condensate collecting barrel 11, each mounting limit plate 2101 is slidably connected to the inside of the movable frame 2104, and a plurality of snap-in sliding plates 2115 are fixedly connected to the bottom surface of the movable frame 2104, and the side surfaces of the plurality of snap-in sliding plates 2115 that are close to each other are all connected to the condensate collecting barrel 11. The outer surface of the water collecting cylinder 11 is in contact with each other, and the outer surface of the condensed water collecting cylinder 11 is fixedly connected with a plurality of automatic output water pipes 2116, and the outer surface of each automatic output water pipe 2116 is fixedly connected with an auxiliary control block 2117, and the side surfaces of the plurality of auxiliary control blocks 2117 close to each other are fixedly connected with the outer surface of the condensed water collecting cylinder 11, and the upper surface of each auxiliary control block 2117 is provided with a snap-on switch groove 2118, and the plurality of snap-on switch grooves 2118 are respectively connected with the plurality of automatic output water pipes 2116, and the plurality of snap-on sliding plates 2115 are respectively slidably connected to the interior of the plurality of snap-on switch grooves 2118, and the inner bottom wall of each snap-on switch groove 2118 and the bottom surface of each snap-on sliding plate 2115 The condensate water collecting cylinder 11 is fixedly inlaid with magnetic blocks 2120, which are divided into two groups. The number of magnetic blocks 2120 in each group is four, and the bottom surface of one group of magnetic blocks 2120 is in contact with the upper surface of the other group of magnetic blocks 2120. A buoyancy block 2105 is arranged inside the condensate water collecting cylinder 11, and a backflow prevention one-way valve 2109 is fixedly connected to the top of the buoyancy block 2105. The outer surface of the backflow prevention one-way valve 2109 is fixedly connected to two telescopic hoses 2107. The bottom ends of the two connecting pipes 15 are fixedly connected to the installation pipes 2106. The bottom ends of the two installation pipes 2106 penetrate the condensate water collecting cylinder 11 and extend to the inside of the condensate water collecting cylinder 11. The top ends of the two telescopic hoses 2107 are respectively connected to the two installation pipes 2106. The bottom ends are in contact, the outer surfaces of the two telescopic hoses 2107 and the outer surfaces of the two mounting tubes 2106 are commonly threadedly connected with two fastening threaded sleeves 2108, the upper surfaces of the two fastening threaded sleeves 2108 are in contact with the inner top wall of the condensate collecting barrel 11, the upper surface of the buoyancy block 2105 and the bottom surface of the movable frame 2104 are fixedly connected with four connecting columns 2110, and the upper surface of the condensate collecting barrel 11 is provided with five sliding holes 2103, wherein four connecting columns 2110 are respectively slidably connected to the inside of four of the sliding holes 2103, wherein the bottom ends of the four connecting columns 2110 and the top ends of the other four connecting columns 2110 are commonly fixedly connected with four telescopic springs 2111, by setting the automatic drainage unit 21,The buoyancy can be used to ensure that the water outlet of the anti-backflow check valve 2109 of the condensate backflow prevention device of the ventilator is always located above the water surface of the condensate in the condensate collecting tube 11, thereby reducing the problem that the condensate in the condensate collecting tube 11 flows back into the breathing pipe of the ventilator through the damaged anti-backflow check valve 2109, thereby improving the service life of the ventilator equipped with the condensate backflow prevention device, and when the condensate level in the condensate collecting tube 11 reaches a certain height, the condensate inside can be automatically discharged, thereby reducing the maintenance and inspection of the condensate backflow prevention device of the ventilator by medical staff, saving the time and energy of medical staff;

[0038] The outer surfaces of the two connecting pipes 16 are fixedly connected with reinforcement rings 2119, and the bottom surfaces of the two reinforcement rings 2119 are fixedly connected to the bottom surface of the upper top plate 2102. The reinforcement rings 2119 fixed at the connection position between the connecting pipes 16 and the upper top plate 2102 improve the connection stability between the connecting pipes 16 and the upper top plate 2102, so that the breathing air duct of the ventilator can be stably connected with the condensed water collecting cylinder 11 through the connecting pipes 16;

[0039] The upper surface of the anti-backflow check valve 2109 is fixedly connected with a stable limiting cylinder 2113, and the bottom surface of the mobile frame 2104 is fixedly connected with a stable limiting column 2114, which is slidably connected to the inside of another sliding hole 2103, and the stable limiting column 2114 is slidably connected to the inside of the stable limiting cylinder 2113. Since the buoyancy block 2105 under the anti-backflow check valve 2109 needs to move up and down along the vertical direction, the stable limiting column 2114 slides in the stable limiting cylinder 2113, and the up and down movement of the buoyancy block 2105 can be limited, thereby improving the stability of the up and down movement of the buoyancy block 2105;

[0040] The outer surface of each telescopic spring 2111 is provided with two stabilizing sleeves 2112, and the stabilizing sleeves 2112 are divided into two groups, and each group of stabilizing sleeves 2112 has four stabilizing sleeves. The side surfaces of the two groups of stabilizing sleeves 2112 that are away from each other are respectively fixedly connected to the bottom ends of four of the connecting columns 2110 and the top ends of the other four connecting columns 2110. By utilizing the stabilizing sleeves 2112 arranged outside the telescopic spring 2111, since the telescopic spring 2111 is telescoped in the vertical direction, and the stabilizing sleeves 2112 are utilized to limit the four sides of the telescopic spring 2111, the stability of the telescopic spring 2111 in telescopic expansion and contraction can be improved.

[0041] The specific implementation of this embodiment is as follows: when it is necessary to install the ventilator condensate backflow prevention device in the middle of the breathing pipe of the ventilator to prevent the condensate in the breathing pipe from flowing back into the inside of the ventilator or the breathing position of the patient, the medical staff first connects the breathing pipe of the ventilator with the two connecting pipes 16, and vertically sets the condensate collection cylinder 11 of the ventilator condensate backflow prevention device at the lowest end of the breathing pipe, and at the same time connects the multiple automatic output water pipes 2116 connected to the outside of the condensate collection cylinder 11 with the pipes for transporting the condensate in the condensate collection cylinder 11 to the outside, so as to facilitate the condensate in the breathing pipe of the ventilator. The condensed water is collected, and then the gas generated by the ventilator will enter the breathing mask through the breathing pipe to supply the patient with breathing, and the generated gas will first be transported to the connecting pipe 15 through a connecting pipe 16, and then to the installation pipe 2106 through the telescopic hose 2107 to the anti-backflow check valve 2109, so that it can be transported to the breathing mask through the other side. Since the condensed water collecting cylinder 11 of the condensed water anti-backflow device of the ventilator is set at the bottom, the condensed water in the suction pipe will be transported to the anti-backflow check valve 2109 together with the breathing gas, so that it can be transported to the patient through the output port of the anti-backflow check valve 2109 The condensed water is collected in the condensed water collecting cylinder 11. As the condensed water in the condensed water collecting cylinder 11 increases, the buoyancy block 2105, which is a material with a relatively light mass and a relatively large buoyancy, will overcome its own gravity, the gravity of the anti-backflow check valve 2109, the gravity of the telescopic hose 2107 and the gravity of the plurality of connecting columns 2110, so that the buoyancy block 2105 floats on the surface of the condensed water. By utilizing the floating effect of the buoyancy block 2105, the output end of the anti-backflow check valve 2109 will be always above the surface of the condensed water in the condensed water collecting cylinder 11. When the performance of the anti-backflow check valve 2109 decreases, it is impossible to ensure that the condensed water collecting cylinder 11 The condensed water in the condensed water collecting cylinder 11 will not flow back into the breathing pipe of the ventilator through the anti-backflow check valve 2109, and the buoyancy block 2105 will float on the condensed water, so that the condensed water in the condensed water collecting cylinder 11 will not flow back into the breathing pipe from the anti-backflow check valve 2109. As the condensed water in the condensed water collecting cylinder 11 gradually increases, the buoyancy block 2105 will continue to overcome the elastic force in the telescopic spring 2111 and the magnetic attraction between the two magnetic blocks 2120, so that the telescopic spring 2111 is compressed until the buoyancy of the buoyancy block 2105 can be used to make the top connecting column 2110 slide in the sliding hole 2103.The movable frame 2104 on the condensate water collecting cylinder 11 is pushed, so that the movable frame 2104 can slide upward along the plurality of installation limit plates 2101, and at the same time, the card-joining sliding plate 2115 can be driven to slide in the card-joining switch groove 2118 opened on the outside of the condensate water collecting cylinder 11 and the auxiliary control block 2117. When the movable frame 2104 is not moved, the card-joining sliding plate 2115 fixed under the movable frame 2104 can be carded into the card-joining switch groove 2118 opened on the auxiliary control block 2117. 118, and because the condensed water collecting cylinder 11 is connected to the automatic output water pipe 2116 and is connected to the card-connected switch slot 2118, the automatic output water pipe 2116 can be closed by the card-connected sliding plate 2115 to output the condensed water outlet in the condensed water collecting cylinder 11, and the automatic output water pipe 2116 can be opened to output the condensed water outlet in the condensed water collecting cylinder 11 by pulling the card-connected sliding plate 2115. At this time, the condensed water collecting cylinder can be transported outward by using multiple automatic output water pipes 2116. The condensed water in the condensed water collecting cylinder 11 is discharged, thereby lowering the condensed water level in the condensed water collecting cylinder 11. Because the buoyancy of the buoyancy block 2105 is smaller than its own gravity, the gravity of the anti-backflow check valve 2109, the gravity of the telescopic hose 2107 and the gravity of the plurality of connecting columns 2110, the buoyancy block 2105 moves downward along with the water level. At this time, the movable frame 2104 moves downward with the card-connecting sliding plate 2115 until the card-connecting sliding plate 2115 can slide into the card-connecting switch slot 2118, thereby making the movable frame 2104 move downward with the card-connecting sliding plate 2115. The magnetic block 2120 at the bottom of the card-engaged sliding plate 2115 is attracted by the magnetic block 2120 in the card-engaged switch slot 2118, and the above steps are repeated to automatically discharge the condensed water in the condensed water collection cylinder 11, so that the medical staff does not need to spend a lot of time and energy to observe the amount of condensed water in the condensed water collection cylinder 11 many times. The medical staff only needs to open the switch valve 13 at a long interval to discharge the condensed water in the condensed water collection cylinder 11 through the drain pipe 14 and maintain and repair the device.

[0042] Example 2: Please refer to Figure 1 , Figure 2 , Figure 7 and Figure 8 The present invention provides a technical solution: a condensation water anti-backflow device for a ventilator. The present invention makes corresponding improvements to the technical problems mentioned in the background technology.

[0043] As a further limitation of the drainage cleaning mechanism 2 of the present invention, the drainage cleaning mechanism 2 also includes an output cleaning unit 22, the output cleaning unit 22 is located on the surface of the lower bottom plate 12, the output cleaning unit 22 is used in conjunction with the automatic drainage unit 21, and the output cleaning unit 22 is used to clean the drainage output port of the condensate water collecting cylinder 11;

[0044] The output cleaning unit 22 includes a plurality of rotating rods 2202, which are rotatably connected to the interior of a plurality of auxiliary control blocks 2117, and the outer surface of each rotating rod 2202 is fixedly connected to a water impact rotating blade 2203, and the plurality of water impact rotating blades 2203 are rotatably connected to the interior of a plurality of automatic output water pipes 2116, and the two sides of each auxiliary control block 2117 are fixedly connected to a gear protection box 2201, and both ends of each rotating rod 2202 are fixedly connected to a first bevel gear 2205, and the interior of each gear protection box 2201 is rotatably connected to a transmission rod 2207, and the ends of the plurality of transmission rods 2207 that are close to each other are sequentially penetrated through the gears. The wheel protection box 2201 and the condensate collecting cylinder 11 extend to the interior of the condensate collecting cylinder 11, the ends of the plurality of transmission rods 2207 that are away from each other are fixedly connected to the second bevel gear 2206, the plurality of first bevel gears 2205 are respectively meshed with the plurality of second bevel gears 2206 one by one, the ends of the plurality of transmission rods 2207 that are close to each other are fixedly connected to the third bevel gear 2209, the inner wall of the condensate collecting cylinder 11 is fixedly connected to a plurality of groups of extension bearings 2211, the number of each group of extension bearings 2211 is two, the inner ring of each group of extension bearings 2211 is fixedly connected to a cleaning shaft 2212, and both ends of each group of cleaning shafts 2212 are fixedly connected to a fourth conical gear 2209. Gear 2210, a plurality of third bevel gears 2209 are respectively meshed with a plurality of fourth bevel gears 2210 one by one, the outer surfaces of a plurality of cleaning shafts 2212 are fixedly connected with cleaning brushes 2213, and the cleaning ends of each cleaning brush 2213 are in contact with the inner wall of the condensate water collecting cylinder 11. By setting the output cleaning unit 22, it is possible to discharge the condensate in the condensate water collecting cylinder 11 outwardly by using the automatic output water pipe 2116. Since there may be dust and impurities in the air in the breathing pipe of the ventilator, they will be mixed with the condensate water and enter the condensate water collecting cylinder 11. The debris in the condensate water may be adsorbed to the inner wall of the condensate water collecting cylinder 11. By setting the auxiliary control block 2117 The rotating rod 2202 can make the water impact rotating blade 2203 fixed outside the rotating rod 2202 rotate under the impact of the water flow in the automatic output water pipe 2116, so that through the meshing transmission between the first bevel gear 2205, the second bevel gear 2206, the third bevel gear 2209 and the fourth bevel gear 2210, it is convenient to make the cleaning brush 2213 rotate in the condensate water collecting cylinder 11 and clean the water outlet of the condensate water collecting cylinder 11. The cleaned debris will be discharged together with the condensate, thereby reducing the blockage problem of the water outlet of the condensate water collecting cylinder 11, further reducing the maintenance and inspection of the condensate backflow prevention device of the ventilator by medical staff, saving the time and energy of medical staff;

[0045] The two side surfaces of each auxiliary control block 2117 are fixedly connected with a first sealing bearing 2204, the outer surfaces of several rotating rods 2202 are respectively fixedly connected with the inner rings of several first sealing bearings 2204, the outer surface of the condensate collecting cylinder 11 is fixedly connected with several second sealing bearings 2208, and the outer surfaces of several transmission rods 2207 are respectively fixedly connected with the inner rings of several second sealing bearings 2208. The first sealing bearing 2204 can be used to seal the gap between the auxiliary control block 2117 and the rotating rod 2202, and the second sealing bearing 2208 can be used to seal the gap between the transmission rod 2207 and the condensate collecting cylinder 11, thereby reducing the occurrence of water leakage problems in the device.

[0046] The specific implementation of this embodiment is as follows: while automatically discharging the condensed water in the condensed water collecting cylinder 11, the water impact rotating blade 2203 arranged in the auxiliary control block 2117 can be used, and the rotating rod 2202 is installed in the auxiliary control block 2117. Since flowing water is transported in the automatic output water pipe 2116 to impact the water impact rotating blade 2203, the water impact rotating blade 2203 will rotate with the rotating rod 2202 in the auxiliary control block 2117, and the first bevel gear 2205 is fixed at both ends of the rotating rod 2202. , and the gear protection box 2201 is fixed on both sides of the auxiliary control block 2117, and the transmission rod 2207 can be rotated in the gear protection box 2201 through the meshing of the first bevel gear 2205 and the second bevel gear 2206, and the rotating transmission rod 2207 is extended to the inside of the condensate water collecting cylinder 11, and the third bevel gear 2209 is fixed at one end of the transmission rod 2207, and the extension bearing 2211 is fixed on the inner wall of the condensate water collecting cylinder 11, and the cleaning shaft 2212 can be installed on the condensate water collecting cylinder 11 through the two extension bearings 2211. The inside of the water cylinder 11 is cleaned by meshing the fourth bevel gear 2210 fixed at both ends of the cleaning shaft 2212 with the third bevel gear 2209 fixed at one end of the transmission rod 2207, so as to facilitate the rotation of the cleaning shaft 2212 by the rotating transmission rod 2207, and the cleaning brush 2213 is fixed outside the cleaning shaft 2212, and the rotating cleaning brush 2213 can be used to rotate and clean the inner wall of the condensate water collecting cylinder 11 and the input end of the automatic output water pipe 2116. Since the breathing pipe of the ventilator inevitably contains some dust and impurities, they will be The condensed water is transported to the interior of the condensed water collecting cylinder 11. Since the condensed water is often transported at the input port of the automatic output water pipe 2116, the debris in the condensed water will be adsorbed to the input port. The rotating cleaning brush 2213 is used to clean the debris at the input port. The cleaned debris will be transported to the outside along with the condensed water through the automatic output water pipe 2116, thereby reducing the blockage problem of the water outlet of the condensed water collecting cylinder 11, further reducing the medical staff's maintenance and inspection of the ventilator condensed water backflow prevention device, saving the medical staff's time and energy.

[0047] Example 3: Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Fig. 9 and Fig.10 The present invention provides a technical solution: a condensation water anti-backflow device for a ventilator. The present invention makes corresponding improvements to the technical problems mentioned in the background technology.

[0048] As a further limitation of the drainage cleaning mechanism 2 of the present invention, a horizontal maintenance mechanism 3 is provided on the surface and the bottom of the automatic drainage unit 21. The horizontal maintenance mechanism 3 is used in conjunction with the drainage cleaning mechanism 2. The horizontal maintenance mechanism 3 is used to maintain the vertical setting of the condensate water collecting cylinder 11;

[0049] The horizontal mechanism 3 includes an extension rope 301, the top of the extension rope 301 is fixedly connected to the bottom surface of the lower base plate 12, the bottom end of the extension rope 301 is fixedly connected to a weighted lead ball 302, the bottom surface of the lower base plate 12 is fixedly connected to four support legs 303, the outer surface of each support leg 303 is sleeved with a support tube 304, the bottom surface of each support tube 304 is fixedly connected to a support chassis 305, the outer surfaces of the two connecting pipes 16 are fixedly connected to extension sleeves 307, and the two extension sleeves 308 are fixedly connected to the bottom surface of the lower base plate 12. The outer surface of each of the two connecting tubes 16 is provided with a hinged card slot 308, and the inner walls of the two hinged card slots 308 are movably hinged with two half-moon clamp rings 309. The tops of the two connecting tubes 16 are fixedly connected with telescopic tubes 312, and the two telescopic tubes 312 are respectively slidably connected to the inside of the two extension sleeves 307. The inner walls of the four half-moon clamp rings 309 are respectively in contact with the outer surfaces of the two telescopic tubes 312. The tops of the two telescopic tubes 312 are fixedly connected with extension tubes 313, and the two extension tubes 313 are respectively slidably connected. By setting a horizontal maintenance mechanism 3 inside the two extension sleeves 307, it can cooperate with the use of the automatic drainage unit 21 and the output cleaning unit 22, and the weighted lead ball 302 can be fixed to the bottom of the device by extending the rope 301, and the center of gravity of the device can be lowered by the weight of the weighted lead ball 302, so that the device can be located at the lowest end of the ventilation pipe of the ventilator as much as possible, and the support legs 303, the support tube 304 and the support chassis 305 form a stable and retractable support structure, so that the device can be located at the lowest end of the ventilation pipe of the ventilator and supported on the ground, and by adjusting the length of the telescopic tube 312 and the extension tube 313 in the extension sleeve 307, the position of the condensate water collecting cylinder 11 can be adjusted, so that the condensate water collecting cylinder 11 can be conveniently adjusted to be located at the lowest end of the ventilation pipe of the ventilator, further reducing the problem of reflux of condensate in the condensate water collecting cylinder 11 from the condensate backflow prevention device to the ventilation pipe of the ventilator, thereby reducing the problem of affecting the performance of the machine or causing complications to patients;

[0050] The outer surface of each support cylinder 304 is fixedly connected with a mounting support ring 306, and the bottom surfaces of the four mounting support rings 306 are respectively fixedly connected to the upper surfaces of the four support chassis 305. The mounting support rings 306 are fixed to the connection between the support cylinder 304 and the support chassis 305. Since the connection between the support cylinder 304 and the support chassis 305 is subjected to a large torsion force, the support stability of the device is improved;

[0051] The outer surface of each half-moon retaining ring 309 is fixedly connected to a fastening block 310, and the right sides of the two fastening blocks 310 are respectively in contact with the left sides of the other two fastening blocks 310, and the interior of the four fastening blocks 310 is commonly threaded with two fastening bolts 311. The right ends of the two fastening bolts 311 penetrate the two fastening blocks 310 in turn and extend to the outside of the half-moon retaining ring 309. By manually twisting the fastening bolts 311 in the fastening block 310, the close side of the two half-moon retaining rings 309 can be fixedly connected, so that the structure composed of the two half-moon retaining rings 309 can be used to position and clamp the telescopic tube 312 in the extension sleeve 307, thereby facilitating the adjustment of the position of the condensate collecting cylinder 11.

[0052] The specific implementation of this embodiment is as follows: when installing and using the ventilator condensation water backflow prevention device, the medical staff first connects the breathing tube of the ventilator with the two extension tubes 313. Since the extension tube 313 is connected to the connecting tube 16 through the telescopic tube 312, and since the telescopic tube 312 is compressed together, the length of the two ends of the breathing tube of the ventilator connected to the connecting tube 16 can be easily adjusted. By manually twisting the fastening bolts 311 in the two fastening blocks 310, the two fastening blocks 310 will move away from the half-moon clamping ring 309, so that the half-moon clamping ring 309 can be rotated along the hinge axis in the hinge groove 308. At this time, the inner wall of the half-moon clamping ring 309 will not block the telescopic tube 312. By manually pulling the two extension tubes 313, the telescopic tube 312 in the extension sleeve 307 is stretched until the length of the two ends of the breathing tube of the ventilator connected to the connecting tube 16 can be adjusted, so that the condensation water collecting cylinder 11 connected to the connecting tube 16 is located at the lowest position of the breathing tube of the ventilator, and The weighted lead ball 302 is fixed at the lowest point of the device by extending the rope 301 to lower the center of gravity of the condensate collecting cylinder 11. At the same time, the positioning structure arranged between the support leg 303 and the support cylinder 304 is manually controlled. The positioning structure includes a threaded cylinder fixedly connected to the outside of the support cylinder 304 and a positioning bolt threadedly connected to the threaded cylinder. By manually twisting the positioning bolt, the support leg 303 sliding in the support cylinder 304 can be positioned conveniently, and the distance between the lower bottom plate 12 and the support chassis 305 can be conveniently adjusted until the bottom surface of the support chassis 305 can be in contact with the horizontal ground. At this time, the positioning bolt is twisted to position the support structure composed of the support leg 303, the support cylinder 304 and the support chassis 305, so that the device can be stably installed at the required position, further reducing the problem of condensate in the condensate collecting cylinder 11 flowing back from the condensate backflow prevention device to the ventilation duct of the ventilator, thereby reducing the problem of affecting the performance of the machine or causing complications to patients.

[0053] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0054] 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 ventilator condensate water backflow prevention device, comprising a device main body mechanism (1), characterized in that: The device main body mechanism (1) comprises a condensate water collecting cylinder (11), the bottom surface of the condensate water collecting cylinder (11) is fixedly connected to a lower bottom plate (12), the bottom surface of the condensate water collecting cylinder (11) is fixedly connected to a switch valve (13), the upper surface of the switch valve (13) is fixedly connected to the bottom surface of the lower bottom plate (12), the output end of the switch valve (13) is fixedly connected to a drain pipe (14), the upper surface of the condensate water collecting cylinder (11) is fixedly connected to two connecting pipes (15), the top ends of the two connecting pipes (15) are fixedly connected to a connecting pipe (16), and the surface of the lower bottom plate (12) is provided with a drain cleaning mechanism (2); The drainage cleaning mechanism (2) comprises an automatic drainage unit (21), the automatic drainage unit (21) is located on the surface of the lower base plate (12), and the automatic drainage unit (21) is used to automatically drain the condensed water in the condensed water collecting cylinder (11); The drainage cleaning mechanism (2) further comprises an output cleaning unit (22), the output cleaning unit (22) being located on the surface of the lower base plate (12), the output cleaning unit (22) being used in conjunction with the automatic drainage unit (21), and the output cleaning unit (22) being used to clean the drainage output port of the condensate water collecting cylinder (11); The surface and bottom of the automatic drainage unit (21) are jointly provided with a horizontal maintenance mechanism (3), and the horizontal maintenance mechanism (3) is used in conjunction with the drainage cleaning mechanism (2), and the horizontal maintenance mechanism (3) is used to maintain the vertical setting of the condensate water collecting cylinder (11).

2. A ventilator condensate water backflow prevention device according to claim 1, characterized in that: The automatic drainage unit (21) comprises four installation limit plates (2101), the bottom surface of each installation limit plate (2101) is fixedly connected to the upper surface of the condensate water collecting cylinder (11), the upper surfaces of the four installation limit plates (2101) are commonly fixedly connected to an upper top plate (2102), the top ends of the two connecting pipes (16) pass through the upper top plate (2102) and extend to the surface of the upper top plate (2102), a movable frame (2104) is provided on the surface of the condensate water collecting cylinder (11), each installation limit plate (2101) is slidably connected to the inside of the movable frame (2104), the bottom surface of the movable frame (2104) is fixedly connected to a plurality of snap-fit ​​sliding plates (2115), and the plurality of snap-fit ​​sliding plates (2115) are fixedly connected to the bottom surface of the movable frame (2104). The side surfaces of the sliding plates (2115) that are close to each other are in contact with the outer surface of the condensate water collecting cylinder (11); the outer surface of the condensate water collecting cylinder (11) is fixedly connected to a plurality of automatic output water pipes (2116); the outer surface of each of the automatic output water pipes (2116) is fixedly connected to an auxiliary control block (2117); the side surfaces of the plurality of auxiliary control blocks (2117) that are close to each other are fixedly connected to the outer surface of the condensate water collecting cylinder (11); the upper surface of each of the auxiliary control blocks (2117) is provided with a snap-on switch groove (2118); the plurality of snap-on switch grooves (2118) are respectively connected to the plurality of automatic output water pipes (2116); the plurality of snap-on sliding plates (2115) are respectively slidable. The condensate collecting cylinder (11) is connected to the inside of a plurality of snap-fit ​​switch grooves (2118), and the inner bottom wall of each snap-fit ​​switch groove (2118) and the bottom surface of each snap-fit ​​sliding plate (2115) are fixedly inlaid with a magnetic block (2120), and the magnetic blocks (2120) are divided into two groups, and the number of the magnetic blocks (2120) in each group is four, wherein the bottom surface of one group of the magnetic blocks (2120) contacts the upper surface of the other group of the magnetic blocks (2120), and the inside of the condensate collecting cylinder (11) is provided with a buoyancy block (2105), and the top of the buoyancy block (2105) is fixedly connected to an anti-backflow one-way valve (2109), and the outer surface of the anti-backflow one-way valve (2109) is fixedly connected to two telescopic hoses (2107), and the two connecting The bottom ends of the through pipes (15) are fixedly connected to the mounting pipes (2106), the bottom ends of the two mounting pipes (2106) penetrate the condensate water collecting barrel (11) and extend to the inside of the condensate water collecting barrel (11), the top ends of the two telescopic hoses (2107) are respectively in contact with the bottom ends of the two mounting pipes (2106), the outer surfaces of the two telescopic hoses (2107) and the outer surfaces of the two mounting pipes (2106) are threadedly connected to two fastening threaded sleeves (2108), the upper surfaces of the two fastening threaded sleeves (2108) are in contact with the inner top wall of the condensate water collecting barrel (11), the upper surface of the buoyancy block (2105) and the bottom surface of the movable frame (2104) are fixedly connected with four connecting columns (2110),The upper surface of the condensate water collecting cylinder (11) is provided with five sliding holes (2103), wherein four of the connecting columns (2110) are respectively slidably connected to the inside of the four sliding holes (2103), wherein the bottom ends of the four connecting columns (2110) and the top ends of the other four connecting columns (2110) are fixedly connected with four telescopic springs (2111).

3. A ventilator condensate water backflow prevention device according to claim 2, characterized in that: The outer surfaces of the two connecting pipes (16) are fixedly connected with reinforcement rings (2119), and the bottom surfaces of the two reinforcement rings (2119) are fixedly connected to the bottom surface of the upper top plate (2102).

4. A ventilator condensate water backflow prevention device according to claim 2, characterized in that: The upper surface of the anti-backflow one-way valve (2109) is fixedly connected to a stabilizing limit cylinder (2113), and the bottom surface of the movable frame (2104) is fixedly connected to a stabilizing limit column (2114), and the stabilizing limit column (2114) is slidably connected to the inside of another sliding hole (2103), and the stabilizing limit column (2114) is slidably connected to the inside of the stabilizing limit cylinder (2113).

5. The condensed water backflow prevention device for a respirator according to claim 2, characterized in that: The outer surface of each telescopic spring (2111) is sleeved with two stabilizing sleeves (2112), and the stabilizing sleeves (2112) are divided into two groups, with each group of the stabilizing sleeves (2112) comprising four. The side surfaces of the two groups of the stabilizing sleeves (2112) that are away from each other are respectively fixedly connected to the bottom ends of four of the connecting columns (2110) and the top ends of the other four connecting columns (2110).

6. A ventilator condensate water backflow prevention device according to claim 2, characterized in that: The output cleaning unit (22) comprises a plurality of rotating rods (2202), the plurality of rotating rods (2202) are respectively rotatably connected to the inside of a plurality of auxiliary control blocks (2117), the outer surface of each rotating rod (2202) is fixedly connected to a water impact rotating blade (2203), the plurality of water impact rotating blades (2203) are respectively rotatably connected to the inside of a plurality of automatic output water pipes (2116), and both sides of each auxiliary control block (2117) are fixedly connected to The gear protection box (2201) is connected to the gear protection box (2201), and both ends of each rotating rod (2202) are fixedly connected to a first bevel gear (2205). The interior of each gear protection box (2201) is rotatably connected to a transmission rod (2207). The ends of the transmission rods (2207) that are close to each other sequentially penetrate the gear protection box (2201) and the condensate water collecting cylinder (11) and extend to the interior of the condensate water collecting cylinder (11). The ends of the transmission rods (2207) that are far away from each other are connected to the gear protection box (2201) and the condensate water collecting cylinder (11). The ends of the plurality of transmission rods (2207) are fixedly connected to a second bevel gear (2206), a plurality of the first bevel gears (2205) are respectively meshed with a plurality of the second bevel gears (2206) one by one, a plurality of the transmission rods (2207) are fixedly connected to a third bevel gear (2209) at one end close to each other, and a plurality of groups of extension bearings (2211) are fixedly connected to the inner wall of the condensate water collecting cylinder (11), and the number of the extension bearings (2211) in each group is two, and each group of the extension bearings (2211) ) are fixedly connected to the inner ring of each cleaning shaft (2212), both ends of each group of cleaning shafts (2212) are fixedly connected to the fourth bevel gear (2210), a plurality of third bevel gears (2209) are respectively meshed with a plurality of fourth bevel gears (2210), and the outer surfaces of a plurality of cleaning shafts (2212) are fixedly connected to cleaning brushes (2213), and the cleaning end of each cleaning brush (2213) is in contact with the inner wall of the condensate collecting cylinder (11).

7. A ventilator condensate water backflow prevention device according to claim 6, characterized in that: Both side surfaces of each auxiliary control block (2117) are fixedly connected to a first sealed bearing (2204), the outer surfaces of a plurality of rotating rods (2202) are respectively fixedly connected to the inner rings of a plurality of first sealed bearings (2204), the outer surface of the condensate collecting cylinder (11) is fixedly connected to a plurality of second sealed bearings (2208), and the outer surfaces of a plurality of transmission rods (2207) are respectively fixedly connected to the inner rings of a plurality of second sealed bearings (2208).

8. The device for preventing condensed water from flowing back into a ventilator according to claim 1, characterized in that: The horizontality-maintaining mechanism (3) comprises an extension rope (301), the top end of the extension rope (301) is fixedly connected to the bottom surface of the lower base plate (12), the bottom end of the extension rope (301) is fixedly connected to a weighted lead ball (302), the bottom surface of the lower base plate (12) is fixedly connected to four support legs (303), the outer surface of each support leg (303) is sleeved with a support tube (304), the bottom surface of each support tube (304) is fixedly connected to a support chassis (305), the outer surfaces of the two connecting pipes (16) are fixedly connected to extension sleeves (307), the two extension sleeves (307) are fixedly connected to the bottom surface of the two connecting pipes (16), and the extension sleeves (307) are fixedly connected to the bottom surface of the two connecting pipes (16). The outer surfaces are provided with hinged slots (308), the inner walls of the two hinged slots (308) are movably hinged with two half-moon snap rings (309), the top ends of the two connecting tubes (16) are fixedly connected with telescopic tubes (312), the two telescopic tubes (312) are respectively slidably connected to the inside of the two extension sleeves (307), the inner walls of the four half-moon snap rings (309) are respectively in contact with the outer surfaces of the two telescopic tubes (312), the top ends of the two telescopic tubes (312) are fixedly connected with extension tubes (313), the two extension tubes (313) are respectively slidably connected to the inside of the two extension sleeves (307).

9. The device for preventing condensed water from flowing back into a ventilator according to claim 8, characterized in that: The outer surface of each support tube (304) is fixedly connected to a mounting support ring (306), and the bottom surfaces of the four mounting support rings (306) are respectively fixedly connected to the upper surfaces of four supporting chassis (305).

10. The device for preventing condensed water from flowing back into a ventilator according to claim 8, characterized in that: The outer surface of each of the half-moon retaining rings (309) is fixedly connected to a fastening block (310), the right sides of the two fastening blocks (310) are in contact with the left sides of the other two fastening blocks (310) respectively, the interior of the four fastening blocks (310) is commonly threadedly connected to two fastening bolts (311), the right ends of the two fastening bolts (311) pass through the two fastening blocks (310) in sequence and extend to the outside of the half-moon retaining ring (309).

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