A kind of intelligent protection equipment for garden pests and diseases

By designing a garden pest and disease intelligent protection equipment containing rotary spoiler blades and blowers, the problems of low spray coverage and waste of medicine and liquids in existing equipment are solved, and more efficient pest and disease protection and liquids are achieved.

CN116210671BActive Publication Date: 2025-03-11FUJIAN YAOJING GARDEN CO LTD
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Patent Information

Application Number
CN202310299285.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-24
Publication Date
2025-03-11
Estimated Expiration
2043-03-24

AI Technical Summary

Technical Problem

When spraying medicine liquids with existing garden pests and diseases, the nozzle orientation is fixed and the coverage is low, making it difficult to completely eliminate pests and diseases, and the medicine liquids are easily wasted.

Method used

An intelligent protection equipment for garden pests and diseases was designed, using a mobile base, a dispersing mechanism, a spraying mechanism and a return mechanism, and wind power was generated by rotating spoiler blades and blowers to achieve uniform spraying and large-area coverage of the medicine liquid, and reduce waste of medicine liquid through the recycling system.

Benefits of technology

The coverage area and coverage rate of garden plants by the medicinal liquid is improved, the pest and disease are eliminated in all aspects, and the waste of medicinal liquid is reduced through the recycling system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an intelligent protection device for garden pests and diseases, which comprises a casing, a power supply, a water pump, a water suction pipe, a medicine liquid tank and a spraying mechanism. The casing is installed at the middle and upper end between supporting upright plates, and the power supply and the water pump are both installed inside the casing. The water pump is started so that the water suction pipe draws the medicine liquid inside the medicine liquid tank upward and discharges it into the pump connecting pipe. During the spraying process, hydraulic pressure is applied to the spoiler blades, and the spoiler blades rotate to disperse the medicine liquid, thereby increasing the coverage area of ​​the medicine liquid on garden plants. The medicine liquid just sprayed is affected by the spraying force, and the medicine liquid sprayed not far away is recovered through the guide frame. The limit rotating groove provided at the connection between the torsion shaft and the inside of the recovery box allows the one-way rotating plate to rotate only toward the middle, thereby ensuring that the recovered medicine liquid can be guided to flow to the middle end inside the recovery box, and the recovered medicine liquid is discharged into the medicine liquid tank for continued spraying by drawing out the connecting pipe, thereby avoiding the waste of medicine liquid.
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Description

Technical Field

[0001] The present invention relates to the field of garden pests and diseases, and more specifically, to intelligent protection equipment for garden pests and diseases. Background Art

[0002] Gardening can provide people with a more comfortable living and housing environment, provide better air, and improve people's sense of happiness. Therefore, the government has also established more green garden facilities. When planting green plants in the garden, it is necessary to use intelligent pest protection equipment to spray medicine to eliminate the pests and diseases on the plants. However, due to the relatively fixed position of the nozzle of the intelligent pest protection equipment when spraying the medicine on the plants, the medicine can only be sprayed in a straight line. The coverage rate of the sprayed medicine on the plants is not high, which reduces the effect of comprehensively eliminating the pests and diseases of the garden plants. In addition, the just-sprayed medicine is easy to drip around the intelligent pest protection equipment due to insufficient spray force, resulting in waste of medicine. Summary of the invention

[0003] The technical solution adopted by the present invention to achieve the technical purpose is: this kind of garden pest intelligent protection equipment, its structure includes a mobile base, a supporting plate, a control mechanism, a dispersion mechanism, a solar panel, and an intelligent control panel. The upper end surface of the mobile base is equipped with a dispersion mechanism, and the top surface of the lower end of the dispersion mechanism is welded to the bottom of the supporting plate, the supporting plate is connected with the control mechanism, the lower end of the control mechanism is fixedly installed on the top surface of the lower end of the dispersion mechanism and is connected, the solar panel is installed on the top of the supporting plate, and the solar panel is electrically connected to the intelligent control panel, and the control mechanism and the dispersion mechanism are both electrically connected to the intelligent control panel.

[0004] As a further improvement of the present invention, the control mechanism includes a casing, a power supply, a water pump, a water suction pipe, a medicine liquid tank, and a spraying mechanism. The casing is installed at the middle and upper end between the supporting vertical plates, and the power supply and the water pump are both installed inside the casing. The power supply and the water pump are electrically connected. The lower end of the water suction pipe is embedded in the medicine liquid tank, and the upper end of the water suction pipe is connected to the spraying mechanism through the water pump. The spraying mechanism is embedded in the supporting vertical plate. The medicine liquid tank is installed on the top surface of the lower end of the dispersion mechanism and is connected to each other. Two of the water pump, water suction pipe and spraying mechanism are each provided and are installed symmetrically on the left and right. The two spraying mechanisms are respectively arranged inside the left and right sides of the supporting vertical plate.

[0005] As a further improvement of the present invention, the spraying mechanism includes a pump pipe, upper and lower guide pipes, a diverter pipe, a nozzle, a connecting pipe sleeve, a rotating rod, and spoiler blades. The upper end of the water suction pipe is connected to the pump pipe through a water pump, and the upper and lower ends of the pump pipe are connected to the upper and lower guide pipes. The upper and lower guide pipes are connected to the nozzle through the diverter pipe. The upper and lower guide pipes are embedded in the supporting vertical plate. A connecting pipe sleeve is provided inside the nozzle. The axis of the rotating rod is installed in the connecting pipe sleeve with a clearance fit, and spoiler blades are welded on the outside of the rotating rod. The spoiler blades are located inside the nozzle. There are five diverter pipes in total, and three nozzles are equidistantly installed on each diverter pipe. Six spoiler blades are provided inside each nozzle.

[0006] As a further improvement of the present invention, the dispersion mechanism includes an air guide hood, a blower, a rotating plate, and a reflux mechanism. The lower end of the air guide hood is arranged on the upper end surface of the reflux mechanism, and the blower is installed inside the air guide hood. The rotating plate is connected to the internal axis of the outer end surface of the air guide hood. The rotating plate is located outside the blower. The liquid medicine tank is installed in the middle of the upper end of the reflux mechanism and is interconnected. The air guide hood and the blower are each provided with two and are installed symmetrically on the left and right. At the same time, the air guide hood is located at the lower end of the outer side of the supporting vertical plate, and seven rotating plates are installed inside the outer side of the air guide hood. The seven rotating plates are connected to form a linear structure.

[0007] As a further improvement of the present invention, the reflux mechanism includes a recovery box, a guide frame, a one-way turning plate, a torsion shaft, and a pull-out connecting pipe. The medicine liquid tank is installed in the middle of the upper end of the recovery box, and the middle end of the bottom of the medicine liquid tank is connected to the pull-out connecting pipe. The outer end of the recovery box is embedded with a guide frame, and the upper end of the one-way turning plate is hinged to the inside of the recovery box through a torsion shaft. The pull-out connecting pipe is embedded in the middle and upper end of the recovery box. The one-way turning plate is connected to the inside of the recovery box through a torsion shaft through a limiting turning groove set at the connection between the torsion shaft and the inside of the recovery box, so that the one-way turning plate can only rotate toward the middle.

[0008] As a further improvement of the present invention, the pull-out connecting pipe includes a shrinking tube and an elastic sheet. The shrinking tube is embedded in the middle and upper end of the recovery box, and the middle end of the bottom of the medicine liquid box is connected to the shrinking tube. The inner wall of the shrinking tube is provided with an elastic sheet. The shrinking tube has a cavity structure with a narrow upper end and a wide lower end, and there are eight elastic sheets in total, two in each group, which are arranged on the inner wall of the shrinking tube from top to bottom, and the length of the elastic sheet gradually increases from top to bottom.

[0009] 1. Start the water pump so that the water pipe draws the liquid medicine in the liquid medicine tank upwards and discharges it into the pump pipe. The liquid medicine is evenly sprayed from the three nozzles on each diversion pipe. During the spraying process, hydraulic pressure is applied to the spoiler blades, and the spoiler blades rotate to disperse the liquid medicine, thereby increasing the coverage area of ​​the liquid medicine on the garden plants;

[0010] 2. The two blowers rotate synchronously, generating wind to blow the seven rotating plates inside the outer side of the wind guide cover to rotate around the central axis, and the rotation frequency of the seven rotating plates is not limited. Through the rotation of the seven rotating plates at different frequencies, the wind generated by the blower is discharged irregularly from the inside of the wind guide cover, thereby improving the effect of wind force dispersing the liquid medicine and increasing the coverage rate of the liquid medicine sprayed on the plants;

[0011] 3. The just-sprayed liquid is affected by the spraying force, and the liquid sprayed not far away is recovered through the guide frame. The limit rotation groove set at the connection between the torsion shaft and the inside of the recovery box makes the one-way rotating plate only rotate toward the middle, ensuring that the recovered liquid can be guided to flow to the middle end of the recovery box. The recovered liquid is discharged to the inside of the liquid tank by pulling out the connecting pipe to continue spraying, avoiding the waste of liquid.

[0012] 4. An elastic sheet with a gradually increasing length from top to bottom is provided inside the shrinking tube to ensure that the elastic sheet can form a shrinking structure inside the shrinking tube, and keep the air pressure inside the shrinking tube in a state of high pressure at the top and low pressure at the bottom, thereby preventing the liquid medicine in the liquid medicine tank from flowing downward into the recovery tank, and ensuring that the recovered liquid medicine can be discharged from the recovery tank into the liquid medicine tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The present invention is a structural schematic diagram of an intelligent garden pest protection device.

[0014] Figure 2 Schematic diagram of the internal structure of the control mechanism of the present invention.

[0015] Figure 3 It is a three-dimensional and partially enlarged structural schematic diagram of the spraying mechanism of the present invention.

[0016] Figure 4 It is a schematic diagram of the internal structure of the dispersion mechanism of the present invention.

[0017] Figure 5 It is a schematic diagram of the internal and partially enlarged structure of the reflux mechanism of the present invention.

[0018] Figure 6 It is a schematic diagram of the internal structure of the extraction connecting pipe of the present invention.

[0019] In the figure: mobile base-1, supporting plate-2, control mechanism-3, dispersion mechanism-4, solar panel-5, intelligent control panel-6, casing-31, power supply-32, water pump-33, water suction pipe-34, liquid medicine tank-35, spraying mechanism-36, pump pipe-36a, upper and lower guide pipes-36b, diverter pipe-36c, nozzle-36d, connecting pipe sleeve-36e, rotating rod-36f, spoiler blade-36g, wind guide cover-41, blower-42, rotating plate-43, reflux mechanism-44, recovery box-44a, guide frame-44b, one-way rotating plate-44c, torsion shaft-44d, extraction connecting pipe-44e, shrinking pipe-e1, elastic sheet-e2. Implementation

[0020] The present invention is further described below in conjunction with the accompanying drawings: Example

[0021] As attached Figure 1 To Attachment Figure 3 As shown:

[0022] The present invention discloses an intelligent protection device for garden pests and diseases, which comprises a mobile base 1, a supporting plate 2, a control mechanism 3, a dispersion mechanism 4, a solar panel 5, and an intelligent control panel 6. The dispersion mechanism 4 is installed on the upper end surface of the mobile base 1, and the top surface of the lower end of the dispersion mechanism 4 is welded to the bottom of the supporting plate 2. The supporting plate 2 is connected with the control mechanism 3 through communication. The lower end of the control mechanism 3 is fixedly installed on the top surface of the lower end of the dispersion mechanism 4 and is connected with each other. The solar panel 5 is installed on the top of the supporting plate 2, and the solar panel 5 is electrically connected to the intelligent control panel 6. The control mechanism 3 and the dispersion mechanism 4 are both electrically connected to the intelligent control panel 6.

[0023] The control mechanism 3 includes a housing 31, a power supply 32, a water pump 33, a water pump 34, a liquid medicine tank 35, and a spraying mechanism 36. The housing 31 is installed at the middle and upper end between the supporting uprights 2, and the power supply 32 and the water pump 33 are both installed inside the housing 31. The power supply 32 and the water pump 33 are electrically connected. The lower end of the water pump 34 is embedded in the liquid medicine tank 35, and the upper end of the water pump 34 is connected to the spraying mechanism 36 through the water pump 33. The spraying mechanism 36 is embedded in the supporting uprights 2, and the liquid medicine tank 35 is installed on the top surface of the lower end of the dispersion mechanism 4 and is connected to each other.

[0024] The water pump 33, the water pipe 34 and the spraying mechanism 36 are each provided with two, and are installed symmetrically on the left and right sides. The two spraying mechanisms 36 are respectively arranged inside the left and right sides of the supporting vertical plate 2, so that the liquid medicine inside the liquid medicine tank 35 can be sprayed out synchronously from both sides, thereby improving the synchronous protection of plants on both sides of the garden from diseases and insect pests.

[0025] The spray mechanism 36 includes a pump pipe 36a, upper and lower guide pipes 36b, a diverter pipe 36c, a nozzle 36d, a connecting pipe sleeve 36e, a rotating rod 36f, and a spoiler blade 36g. The upper end of the water pump 34 is connected to the pump pipe 36a through the water pump 33, and the upper and lower ends of the pump pipe 36a are connected to the upper and lower guide pipes 36b. The upper and lower guide pipes 36b are connected to the nozzle 36d through the diverter pipe 36c. The upper and lower guide pipes 36b are embedded in the support plate 2. The nozzle 36d is provided with a connecting pipe sleeve 36e. The axis of the rotating rod 36f is installed in the connecting pipe sleeve 36e with a clearance fit, and the outer side of the rotating rod 36f is welded with a spoiler blade 36g, and the spoiler blade 36g is located inside the nozzle 36d.

[0026] There are five diverter pipes 36c mentioned above, and three nozzles 36d are equidistantly installed on each diverter pipe 36c. Six spoiler blades 36g are arranged inside each nozzle 36d. During the spraying of liquid medicine, the liquid medicine enters the interior of the nozzle 36d, and hydraulic pressure is applied to the spoiler blades 36g, so that the spoiler blades 36g rotate, and the rotating spoiler blades 36g disperse the liquid medicine, thereby increasing the diffusion area of ​​the liquid medicine sprayed from the interior of the nozzle 36d, spraying the liquid medicine over a large area, and increasing the coverage area of ​​the liquid medicine on the garden plants.

[0027] The specific usage and function of this embodiment are as follows:

[0028] In the present invention, in the process of spraying pesticides on the plants on both sides of the garden to prevent and control pests, the solar panel 5 generates electricity to provide power for the equipment, and the intelligent control panel 6 drives the control mechanism 3 and the dispersion mechanism 4 as well as the mobile base 1 to operate. The water pump 33 is started, so that the pumping pipe 34 draws the liquid medicine in the liquid medicine tank 35 upward and discharges it into the pump connecting pipe 36a, and the liquid medicine is divided up and down into the upper and lower guide pipes 36b through the pump connecting pipe 36a, so that the liquid medicine is evenly dispersed into the five branch pipes 36c, and enters from the three nozzles 36d on each branch pipe 36c. During the process of spraying the liquid medicine from the nozzle 36d, hydraulic pressure is applied to the spoiler blade 36g inside the nozzle 36d to rotate the spoiler blade 36g, so that the rotating spoiler blade 36g disperses the liquid medicine, thereby increasing the diffusion area of ​​the liquid medicine sprayed from the nozzle 36d, spraying the liquid medicine over a large area, and increasing the coverage area of ​​the garden plants by the liquid medicine, and through the two spraying mechanisms 36 installed on the left and right sides of the supporting vertical plate 2, the liquid medicine in the liquid medicine tank 35 is sprayed synchronously from both sides, thereby improving the synchronous protection of the plants on both sides of the garden from diseases and insects. Example

[0029] As attached Figure 4 To Attachment Figure 6 As shown:

[0030] The dispersion mechanism 4 includes an air guide hood 41, a blower 42, a rotating plate 43, and a reflux mechanism 44. The lower end of the air guide hood 41 is arranged on the upper end surface of the reflux mechanism 44, and the blower 42 is installed inside the air guide hood 41. The rotating plate 43 is connected to the inner shaft of the outer end surface of the air guide hood 41. The rotating plate 43 is located outside the blower 42. The liquid medicine tank 35 is installed in the middle of the upper end of the reflux mechanism 44 and is intersected.

[0031] The above-mentioned wind guide hood 41 and blower 42 are each provided with two, and are installed symmetrically on the left and right. At the same time, the wind guide hood 41 is located at the lower end of the outer side of the supporting vertical plate 2, and seven rotating plates 43 are installed inside the outer side of the wind guide hood 41. The seven rotating plates 43 are connected to form a linear structure. When each rotating plate 43 is blown by the wind force of the blower 42, it can rotate inside the outer side of the wind guide hood 41, so that the wind force generated by the blower 42 is irregularly discharged from the inside of the wind guide hood 41, thereby improving the effect of the wind force to disperse the liquid medicine and increasing the coverage rate of the liquid medicine sprayed on the plants.

[0032] The reflux mechanism 44 includes a recovery box 44a, a flow guide frame 44b, a one-way rotating plate 44c, a torsion shaft 44d, and a withdrawal connecting pipe 44e. The liquid medicine box 35 is installed in the middle of the upper end of the recovery box 44a, and the middle end of the bottom of the liquid medicine box 35 is connected with the withdrawal connecting pipe 44e. The outer end of the recovery box 44a is embedded with a flow guide frame 44b, and the upper end of the one-way rotating plate 44c is hinged to the inside of the recovery box 44a through the torsion shaft 44d, and the withdrawal connecting pipe 44e is embedded in the upper and middle end of the recovery box 44a.

[0033] The one-way rotating plate 44c is connected to the recovery box 44a through the torque shaft 44d by the limiting rotating groove, so that the one-way rotating plate 44c can only rotate toward the middle, ensuring that the recovered liquid medicine can be guided to flow to the middle end of the recovery box 44a, preventing the recovered liquid medicine from flowing out to the outside and unable to be collected.

[0034] The extraction connecting pipe 44e includes a shrinking pipe e1 and an elastic sheet e2. The shrinking pipe e1 is embedded in the middle and upper end of the recovery box 44a, and the middle end of the bottom of the liquid medicine box 35 is connected with the shrinking pipe e1. The inner wall of the shrinking pipe e1 is provided with an elastic sheet e2.

[0035] The above-mentioned shrinking tube e1 presents a cavity structure with a narrow upper end and a wide lower end, and there are eight elastic sheets e2 in total, two of which are arranged in a group on the inner wall of the shrinking tube e1 from top to bottom, and the length of the elastic sheets e2 gradually increases from top to bottom, ensuring that each group of two elastic sheets e2 on the left and right can form a shrinking structure inside the shrinking tube e1, and keep the air pressure inside the shrinking tube e1 in a state of high pressure at the top and bottom, thereby preventing the medicine inside the medicine liquid tank 35 from flowing downward into the recovery tank 44a, ensuring that the recovered medicine can be discharged from the recovery tank 44a into the medicine liquid tank 35.

[0036] The specific usage and function of this embodiment are as follows:

[0037] In the present invention, while spraying the liquid medicine, the two blowers 42 at the lower end rotate synchronously, generating wind force to blow the seven rotating plates 43 inside the outer side of the wind guide cover 41 to rotate around the central axis, and the rotation frequency of the seven rotating plates 43 is not limited. Through the rotation of the seven rotating plates 43 at different frequencies, the wind force generated by the blower 42 is irregularly discharged from the inside of the wind guide cover 41, thereby improving the effect of the wind force to disperse the liquid medicine, and improving the coverage rate of the liquid medicine sprayed on the plants. At the same time, the liquid medicine just sprayed is affected by the spraying force, and the spraying distance is limited. The liquid medicine sprayed not far away is recovered by the guide frame 44b, and the liquid medicine is diverted to the inside of the recovery box 44a. The limiter set at the connection between the torsion shaft 44d and the inside of the recovery box 44a The one-way rotating groove makes the one-way rotating plate 44c rotate only toward the middle, ensuring that the recovered medicine liquid can be guided to flow to the middle end of the recovery box 44a, preventing the recovered medicine liquid from flowing out and unable to be collected. After the medicine liquid inside the medicine liquid box 35 is sprayed, the recovered medicine liquid is discharged into the medicine liquid box 35 for continued spraying by pulling out the connecting pipe 44e, thereby avoiding waste of medicine liquid. The inside of the shrinking tube e1 is provided with an elastic sheet e2 whose length gradually increases from top to bottom, ensuring that the elastic sheet e2 can form a shrinking structure inside the shrinking tube e1, and keeping the air pressure inside the shrinking tube e1 in a state where the top and bottom are high, thereby preventing the medicine liquid inside the medicine liquid box 35 from flowing downward into the recovery box 44a, ensuring that the recovered medicine liquid can be discharged from the recovery box 44a to the inside of the medicine liquid box 35.

[0038] Utilizing the technical solution of the present invention, or those skilled in the art designing similar technical solutions inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the protection scope of the present invention.

Claims

1. A garden pest and disease intelligent protection device, the structure of which comprises a mobile base (1), a supporting plate (2), a control mechanism (3), a dispersion mechanism (4), a solar panel (5), and an intelligent control panel (6), characterized in that: The upper end surface of the mobile base (1) is equipped with a dispersion mechanism (4), and the top surface of the lower end of the dispersion mechanism (4) is welded to the bottom of the supporting upright plate (2), the supporting upright plate (2) is connected to the control mechanism (3), the lower end of the control mechanism (3) is fixedly mounted on the top surface of the lower end of the dispersion mechanism (4) and is connected to each other, the solar panel (5) is mounted on the top of the supporting upright plate (2), and the solar panel (5) is electrically connected to the intelligent control panel (6), and the control mechanism (3) and the dispersion mechanism (4) are both electrically connected to the intelligent control panel (6); The control mechanism (3) comprises a housing (31), a power supply (32), a water pump (33), a water extraction pipe (34), a liquid medicine tank (35), and a spraying mechanism (36); the housing (31) is mounted at the middle upper end between the supporting uprights (2); the power supply (32) and the water pump (33) are both mounted inside the housing (31); the power supply (32) and the water pump (33) are electrically connected; the lower end of the water extraction pipe (34) is embedded inside the liquid medicine tank (35); the upper end of the water extraction pipe (34) is connected to the spraying mechanism (36) through the water pump (33); the spraying mechanism (36) is embedded inside the supporting uprights (2); the liquid medicine tank (35) is mounted on the top surface of the lower end of the dispersion mechanism (4) and is connected to each other; The spraying mechanism (36) comprises a pump connecting pipe (36a), upper and lower flow guide pipes (36b), a flow dividing pipe (36c), a nozzle (36d), a connecting pipe sleeve (36e), a rotating rod (36f), and a flow spoiler blade (36g); the upper end of the water pumping pipe (34) is connected to the pump connecting pipe (36a) through the water pump (33); the upper and lower ends of the pump connecting pipe (36a) are connected to the upper and lower flow guide pipes (36b); the upper and lower flow guide pipes (36b) are connected to the nozzle (36d) through the flow dividing pipe (36c); the upper and lower flow guide pipes (36b) are embedded in the supporting vertical plate (2); the nozzle (36d) is provided with a connecting pipe sleeve (36e); the axis of the rotating rod (36f) is installed in the connecting pipe sleeve (36e) by a clearance fit; and the outer side of the rotating rod (36f) is welded with a flow spoiler blade (36g); the flow spoiler blade (36g) is located in the nozzle (36d); The dispersion mechanism (4) comprises an air guide cover (41), a blower (42), a rotating plate (43), and a reflux mechanism (44); the lower end of the air guide cover (41) is arranged on the upper end surface of the reflux mechanism (44); the blower (42) is installed inside the air guide cover (41); the rotating plate (43) is connected to an internal shaft of the outer end surface of the air guide cover (41); the rotating plate (43) is located outside the blower (42); and the liquid medicine tank (35) is installed in the middle of the upper end of the reflux mechanism (44) and is intersecting with the liquid medicine tank (35); The reflux mechanism (44) comprises a recovery box (44a), a flow guide frame (44b), a one-way rotating plate (44c), a torsion shaft (44d), and a withdrawal connecting pipe (44e); the liquid medicine box (35) is installed at the middle of the upper end of the recovery box (44a); the middle of the bottom of the liquid medicine box (35) is connected to the withdrawal connecting pipe (44e); the outer end of the recovery box (44a) is embedded with the flow guide frame (44b); the upper end of the one-way rotating plate (44c) is hinged to the inside of the recovery box (44a) through the torsion shaft (44d); and the withdrawal connecting pipe (44e) is embedded in the upper middle end of the recovery box (44a); The extraction connecting pipe (44e) comprises a shrinking pipe (e1) and an elastic sheet (e2); the shrinking pipe (e1) is embedded in the middle upper end of the recovery box (44a); the middle end of the bottom of the liquid medicine box (35) is connected to the shrinking pipe (e1); and the inner wall of the shrinking pipe (e1) is provided with an elastic sheet (e2).

Citation Information

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