Goose breeding shed convenient to ventilate

Abstract

The invention discloses a goose breeding shed convenient to ventilate, and belongs to the technical field of poultry farming, the goose breeding shed comprises a shed main body and a bottom net fixedly connected to the lower portion of the inner wall of the shed main body, the lower portion of the inner wall of the shed main body is rotatably connected with a first transmission wheel, and the outer surfaces of the two ends of the first transmission wheel are fixedly connected with one-way bearings; and the outer rings of the two one-way bearings are fixedly connected with gear rings. According to the device, an eccentric wheel drives an abutting plate and a rack to move up and down, so that a conveying belt rotates clockwise, the upper end of a scraper blade plays a role in scraping goose excrement on the outer surface of the rotating conveying belt, and the device is more convenient to clean the goose excrement, and meanwhile, the eccentric wheel drives a piston plate to move up and down on the inner wall of a piston cylinder; the air in the device is purified and purified while the air flowing through the piston cylinder in the pigsty main body is deodorized or sterilized, so that the pigsty environment for goose breeding is better maintained.

Description

Technical Field

[0001] The invention belongs to the technical field of poultry breeding, and in particular relates to a goose breeding pen which is convenient for ventilation. Background Art

[0002] Goose meat is a nutritious food ingredient. Eating it in moderation can nourish the body, enhance immunity, promote growth and development, etc. People's demand for goose meat has also made goose farming more professional, thus changing the use of breeding pens.

[0003] The respiratory system of geese is more sensitive to air quality. High concentrations of harmful gases such as ammonia and hydrogen sulfide may cause respiratory diseases in the geese. Ventilation can effectively reduce the concentration of harmful gases in the goose house, keep the air fresh, and is conducive to the healthy growth of the geese. Goose excrement is the source of harmful gases such as ammonia and hydrogen sulfide. However, the fixed structure of the goose breeding pens makes it inconvenient to clean the goose excrement inside the pens, making it difficult to maintain a good breeding environment in the pens. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that it is inconvenient to clean the goose excrement inside the existing pen, thereby making it difficult to maintain a good breeding environment in the pen, and to propose a goose breeding pen that is easy to ventilate.

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

[0006] A goose breeding pen that is easy to ventilate, comprising a pen main body and a bottom net fixedly connected to the lower part of the inner wall of the pen main body, a first transmission wheel is rotatably connected to the lower part of the inner wall of the pen main body, the outer surfaces of both ends of the first transmission wheel are fixedly connected to one-way bearings, the outer rings of the two one-way bearings are fixedly connected to gear rings, the lower part of the right side of the pen main body is rotatably connected to the second transmission wheel, the first transmission wheel and the second transmission wheel are connected through a conveyor belt transmission arranged below the bottom net, and a scraper is hinged on the right end of the horizontal plate fixedly connected to the lower part of the right side of the pen main body. A torsion spring is provided on the upper surface of the cross plate, and the output ends of a pair of motors fixedly connected to the lower part of the left side wall of the fence body are fixedly connected to the eccentric wheels, and the racks meshing on the outer surfaces of the two gear rings are slidably connected to the outer surface of the eccentric wheels through a stop plate, and the inner wall of the piston cylinder fixedly connected to the left side wall of the fence body is slidably connected to the piston plate, the interior of the piston cylinder is fixedly connected to a waterproof and breathable membrane, and the right side surface of the piston cylinder is fixedly connected to a group of first one-way valves, the bottom surface of the piston plate is fixedly connected to a group of second one-way valves, and the upper surface of the piston plate is fixedly connected to a compression spring.

[0007] As a further description of the above technical solution:

[0008] The butt ring fixedly connected to the bottom surface of the waterproof and breathable membrane is fixedly connected to the inner wall of the piston cylinder, the upper end of the compression spring is fixedly connected to the bottom surface of the butt ring, the air inlet end of the first one-way valve is connected to the interior of the fence body, and the air outlet end of the first one-way valve and the air inlet end of the second one-way valve are both connected to the interior of the piston cylinder, and the air outlet end of the second one-way valve is connected to the bottom of the bottom net.

[0009] As a further description of the above technical solution:

[0010] A protective shell is fixedly connected to the left side wall of the fence body, the protective shell is communicated with the bottom of the bottom net, the motor and the eccentric wheel are both located inside the protective shell, the piston plate penetrates into the protective shell, and the piston plate is slidably connected to the penetration point of the piston cylinder and the protective shell.

[0011] As a further description of the above technical solution:

[0012] One end of the torsion spring is fixedly connected to the upper surface of the horizontal plate, and the other end of the torsion spring is fixedly connected to the outer surface of the scraper. The upper end of the scraper is slidably connected to the outer surface of the conveyor belt. A first through groove is provided at the lower part of the right side surface of the fence body, and the conveyor belt passes through the first through groove and extends to the right side of the fence body.

[0013] As a further description of the above technical solution:

[0014] A recycling box is clamped on the lower part of the right side of the fence main body, the scraper is located directly above the recycling box, and a baffle is fixedly connected to the right side of the upper surface of the recycling box.

[0015] As a further description of the above technical solution:

[0016] The upper end of the rack is fixedly connected to the bottom surface of the support plate, the outer surface of the eccentric wheel is slidably connected to the upper surface of the support plate, the front and rear side walls of the fence body are provided with sliding grooves, the two ends of the support plate are respectively slidably connected to the inner wall of a sliding groove, and the upper end of the telescopic spring fixedly connected to the bottom wall of the sliding groove is fixedly connected to the bottom surface of the support plate.

[0017] As a further description of the above technical solution:

[0018] A groove is provided on the inner bottom wall of the pen body, a water pump is clamped on the inner bottom wall of the groove, the water outlet end of the groove is connected to a nozzle fixedly connected to the inner bottom wall of the pen body, a second through groove connected to the groove is provided on the front side of the pen body, and a filter net is slidably connected to the inner wall of the second through groove.

[0019] As a further description of the above technical solution:

[0020] An observation window is arranged at the lower part of the front of the main body of the pen, and a water inlet funnel fixedly connected to the lower part of the front of the main body of the pen is communicated with the groove, a door is hinged on the back of the main body of the pen, and an ultraviolet lamp is fixedly connected to the inner top wall of the main body of the pen.

[0021] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0022] In the present invention, the eccentric wheel drives the abutment plate and the rack to move up and down, the rack drives the gear ring to rotate clockwise, and the gear ring drives the inner ring and the outer ring of the one-way bearing to rotate clockwise synchronously, so that the first transmission wheel and the second transmission wheel rotate synchronously, and the conveyor belt rotates clockwise. The upper end of the scraper scrapes the goose excrement on the outer surface of the rotating conveyor belt, making it more convenient for the device to clean the goose excrement. At the same time, the eccentric wheel drives the piston plate to move up and down on the inner wall of the piston cylinder, so that the air inside the pen body is blown to the outer surface of the conveyor belt, and a deodorant or disinfectant is added to the inside of the piston cylinder. While the air inside the pen body flowing through the piston cylinder is deodorized or sterilized, the outer surface of the conveyor belt is dried to a certain extent. While the device is more convenient to clean the goose excrement, it also has a certain purification effect on the air inside the device, thereby better maintaining the pen environment for goose breeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the front cross-sectional structure of a goose breeding pen that is easy to ventilate proposed by the present invention;

[0024] Figure 2 This is a schematic diagram of the front view structure of a goose breeding pen that is easy to ventilate proposed by the present invention;

[0025] Figure 3 This is a schematic diagram of the cross-sectional structure of a piston plate of a goose breeding pen that is easy to ventilate proposed by the present invention;

[0026] Figure 4 A schematic diagram of the right side cross-sectional structure of a goose breeding pen that is convenient for ventilation proposed by the present invention;

[0027] Figure 5 A goose breeding pen convenient for ventilation proposed by the present invention Figure 1 A schematic diagram of the structure enlargement in the middle;

[0028] Figure 6 A goose breeding pen convenient for ventilation proposed by the present invention Figure 1 A magnified schematic diagram of the structure at B in the middle;

[0029] Figure 7 A goose breeding pen convenient for ventilation proposed by the present invention Figure 4 Enlarged schematic diagram of the structure at point C in the middle.

[0030] Legend: 1. Main body of the fence; 2. Bottom net; 3. First transmission wheel; 4. One-way bearing; 5. Gear ring; 6. Second transmission wheel; 7. First through slot; 8. Conveyor belt; 9. Cross plate; 10. Scraper; 11. Torsion spring; 12. Motor; 13. Eccentric wheel; 14. Rack; 15. Back plate; 16. Piston cylinder; 17. Piston plate; 18. Waterproof breathable membrane; 19. First one-way valve; 20. Second one-way valve; 21. Compression spring; 22. Back ring; 23. Protective shell; 24. Recovery box; 25. Baffle; 26. Slide; 27. Telescopic spring; 28. Groove; 29. ​​Water pump; 30. Nozzle; 31. Second through slot; 32. Filter; 33. Observation window; 34. Water inlet funnel; 35. Fence door; 36. Ultraviolet lamp. DETAILED DESCRIPTION

[0031] 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.

[0032] See also Figure 1-7The present invention provides a technical solution: a goose breeding pen that is easy to ventilate, comprising a pen main body 1 and a bottom net 2 fixedly connected to the lower part of the inner wall of the pen main body 1, a fence net is inlaid on the front of the pen main body 1, and a pen door 35 is hinged on the back of the pen main body 1, through which the inside of the pen main body 1 can be cleaned, repaired or the geese can be taken in and out, and an ultraviolet lamp 36 is fixedly connected to the inner top wall of the pen main body 1, and the setting of the ultraviolet lamp 36 has a sterilization effect on the inside of the pen main body 1, a first transmission wheel 3 is rotatably connected to the lower part of the inner wall of the pen main body 1, one-way bearings 4 are fixedly connected to the outer surfaces of both ends of the first transmission wheel 3, and gear rings 5 ​​are fixedly connected to the outer rings of the two one-way bearings 4, a second transmission wheel 6 is rotatably connected to the lower part of the right side of the pen main body 1, the first transmission wheel 3 and the second transmission wheel 6 are connected by a conveyor belt 8 arranged below the bottom net 2, a scraper 10 is hinged on the right end of a horizontal plate 9 fixedly connected to the lower part of the right side of the pen main body 1, and a torsion spring 11 is arranged on the upper surface of the horizontal plate 9, One end of the torsion spring 11 is fixedly connected to the upper surface of the horizontal plate 9, and the other end of the torsion spring 11 is fixedly connected to the outer surface of the scraper 10. The torsion spring 11 provides a certain buffering and resetting effect for the scraper 10 to prevent the scraper 10 from generating a large friction with the goose excrement on the outer surface of the conveyor belt 8, thereby hindering the operation of the conveyor belt 8. The upper end of the scraper 10 is slidably connected to the outer surface of the conveyor belt 8. The scraper 10 has the function of scraping off the goose excrement on the outer surface of the conveyor belt 8. The lower part of the right side of the fence main body 1 is connected with a return spring. The collection box 24 and the scraper 10 are located directly above the collection box 24. A baffle 25 is fixedly connected to the right side of the upper surface of the collection box 24, which is more conducive to the scraped goose excrement falling into the interior of the collection box 24. A first through groove 7 is opened at the lower part of the right side surface of the pen body 1. The conveyor belt 8 passes through the first through groove 7 and extends to the right side of the pen body 1. The conveyor belt 8 does not contact the inner wall of the first through groove 7. The output ends of a pair of motors 12 fixedly connected to the lower part of the left side wall of the pen body 1 are fixedly connected to the eccentric wheels 13.

[0033] The operation of the motor 12 drives the eccentric wheel 13 to rotate. Under the cooperation of the telescopic spring 27, the eccentric wheel 13 drives the counter plate 15 and the rack 14 to move up and down. When the counter plate 15 drives the rack 14 to move down, the rack 14 drives the gear ring 5 to rotate clockwise, and the gear ring 5 drives the inner and outer rings of the one-way bearing 4 to rotate synchronously clockwise, and the first transmission wheel 3 rotates following the one-way bearing 4. Under the cooperation of the conveyor belt 8, the first transmission wheel 3 and the second transmission wheel 6 rotate synchronously, so that the conveyor belt 8 rotates clockwise. The upper end of the scraper 10 scrapes the goose excrement from the outer surface of the rotating conveyor belt 8, making it more convenient for the device to clean the goose excrement and better maintain the environment of the goose breeding pen. When the counter plate 15 drives the rack 14 to move up under the action of the telescopic spring 27, the rack 14 drives the gear ring 5 to rotate counterclockwise, and the gear ring 5 drives the outer ring of the one-way bearing 4 to rotate counterclockwise, and the inner ring of the one-way bearing 4 does not rotate, so that the conveyor belt 8 always rotates clockwise.

[0034] The rack 14 meshed with the outer surfaces of the two gear rings 5 ​​is slidably connected to the outer surface of the eccentric wheel 13 through the abutment plate 15, the upper end of the rack 14 is fixedly connected to the bottom surface of the abutment plate 15, the outer surface of the eccentric wheel 13 is slidably connected to the upper surface of the abutment plate 15, and the front and rear side walls of the fence body 1 are provided with a slide groove 26, and the two ends of the abutment plate 15 are respectively slidably connected to the inner wall of a slide groove 26, and the upper end of the telescopic spring 27 fixedly connected to the inner bottom wall of the slide groove 26 is fixedly connected to the bottom surface of the abutment plate 15. Figure 4 and Figure 7 The telescopic springs 27 are all in a natural state, and the slide groove 26 has a limiting effect on the butt plate 15. The setting of the telescopic spring 27 enables the butt plate 15 to have a reset effect. The inner wall of the piston cylinder 16 fixedly connected to the left side wall of the fence body 1 is slidably connected with the piston plate 17. The upper surface of the piston cylinder 16 is clamped with a rubber plug, and the bottom surface of the rubber plug extends to the inside of the piston cylinder 16. Disinfectant or deodorant can be added to the inside of the piston cylinder 16 by separating the rubber plug from the upper surface of the piston cylinder 16. The inside of the piston cylinder 16 is fixedly connected with a waterproof and breathable membrane 18, and the right side of the piston cylinder 16 is fixedly connected with a group of first one-way valves 19, and the bottom surface of the piston plate 17 is fixedly connected with a group of second one-way valves 20, and the upper surface of the piston plate 17 is fixedly connected with a compression spring 21, and the bottom surface of the waterproof and breathable membrane 18 is fixedly connected to the inner wall of the piston cylinder 16, and the upper end of the compression spring 21 is fixedly connected to the bottom surface of the butt ring 22. Figure 1 and Figure 3 The compression springs 21 are all in a compressed state, and the compression springs 21 are set to provide a reset effect for the piston plate 17. A protective shell 23 is fixedly connected to the left side wall of the fence body 1, and the protective shell 23 is connected to the bottom of the bottom net 2. The motor 12 and the eccentric wheel 13 are both located inside the protective shell 23. The protective shell 23 provides a protective effect for the motor 12 and the eccentric wheel 13. The piston plate 17 penetrates into the protective shell 23, and the piston plate 17 is slidably connected to the penetration of the piston cylinder 16 and the protective shell 23 to prevent friction between the piston plate 17 and the penetration of the piston cylinder 16 and the protective shell 23.

[0035] The air inlet end of the first one-way valve 19 is connected to the interior of the pen body 1, and the air outlet end of the first one-way valve 19 and the air inlet end of the second one-way valve 20 are both connected to the interior of the piston cylinder 16, and the air outlet end of the second one-way valve 20 is connected to the bottom of the bottom net 2, ensuring the flow direction of the air inside the piston cylinder 16, that is, when the motor 12 is working, the eccentric wheel 13 drives the piston plate 17 to move up and down on the inner wall of the piston cylinder 16, so that the air inside the pen body 1 passes through the first one-way valve 19, the piston cylinder 16, the waterproof breathable membrane 18 and the second one-way valve 20 to flow to the bottom of the bottom net 2, and blow to the outer surface of the conveyor belt 8, and add a deodorant or disinfectant to the interior of the piston cylinder 16. While achieving the effect of deodorizing or sterilizing the air inside the pen body 1 flowing through the piston cylinder 16, it also has a certain drying effect on the outer surface of the conveyor belt 8, further maintaining the pen environment for goose breeding.

[0036] A groove 28 is provided on the inner bottom wall of the main body 1 of the fence, an observation window 33 is provided on the lower part of the front of the main body 1 of the fence, and a water inlet funnel 34 fixedly connected to the lower part of the front of the main body 1 of the fence is connected to the groove 28, the observation window 33 is convenient for observing the water volume inside the groove 28, and the water inlet funnel 34 is convenient for adding water to the inside of the groove 28, a water pump 29 is clamped on the inner bottom wall of the groove 28, and the water outlet end of the groove 28 is connected to the nozzle 30 fixedly connected to the inner bottom wall of the main body 1 of the fence, and the coordinated arrangement of the water pump 29 and the nozzle 30 has the effect of flushing the outer surface of the conveyor belt 8, a second through groove 31 connected to the groove 28 is provided on the front of the main body 1 of the fence, and a filter screen 32 is slidably connected to the inner wall of the second through groove 31. Under the filtering effect of the filter screen 32, the water inside the filter screen 32 is recycled, and a water outlet pipe connected to the inside of the groove 28 is provided on the front of the main body 1 of the fence, and a valve is provided on the outer surface of the water outlet pipe. The arrangement of the water outlet pipe facilitates the discharge of water inside the groove 28.

[0037] Working principle: When in use, connect the motor 12 and the ultraviolet lamp 36 to the power supply, add a proper amount of deodorant or disinfectant to the inside of the piston cylinder 16, and add a proper amount of water to the inside of the groove 28 through the water inlet funnel 34. When the motor 12 is working, its output end drives the eccentric wheel 13 to rotate. Under the cooperation setting of the telescopic spring 27, the eccentric wheel 13 drives the plate 15 and the rack 14 to move up and down. When the plate 15 drives the rack 14 to move down, the rack 14 drives the gear ring 5 to rotate clockwise, and the gear ring 5 drives the inner and outer rings of the one-way bearing 4 to rotate synchronously clockwise. The first transmission wheel 3 rotates with the one-way bearing 4. Under the cooperation setting of the conveyor belt 8, the first transmission wheel 3 and the second transmission wheel 6 rotate synchronously, so that the conveyor belt 8 rotates clockwise, and the upper end of the scraper 10 is opposite to the inner ring and the outer ring of the one-way bearing 4. The outer surface of the rotating conveyor belt 8 serves to scrape off the goose excrement, making it easier for the device to clean the goose excrement. At the same time, the eccentric wheel 13 drives the piston plate 17 to move up and down on the inner wall of the piston cylinder 16, so that the air inside the pen body 1 flows through the first one-way valve 19, the piston cylinder 16, the waterproof breathable membrane 18 and the second one-way valve 20 to the bottom of the bottom net 2, and is blown to the outer surface of the conveyor belt 8. A deodorant or disinfectant is added to the inside of the piston cylinder 16. While the air inside the pen body 1 flowing through the piston cylinder 16 is deodorized or sterilized, the outer surface of the conveyor belt 8 is dried to a certain extent. While the device is more convenient to clean the goose excrement, it also has a certain purification effect on the air inside the device, thereby better maintaining the pen environment for goose breeding.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A goose breeding pen that is easy to ventilate, comprising a pen body (1) and a bottom net (2) fixedly connected to the lower part of the inner wall of the pen body (1), characterized in that: The lower part of the inner wall of the fence main body (1) is rotatably connected to a first transmission wheel (3), the outer surfaces of both ends of the first transmission wheel (3) are fixedly connected to one-way bearings (4), and the outer rings of the two one-way bearings (4) are fixedly connected to gear rings (5). The lower part of the right side of the fence main body (1) is rotatably connected to a second transmission wheel (6), and the first transmission wheel (3) and the second transmission wheel (6) are connected by a conveyor belt (8) arranged below the bottom net (2). The right end of the horizontal plate (9) fixedly connected to the lower part of the right side of the fence main body (1) is hinged with a scraper (10), and the upper surface of the horizontal plate (9) is provided with a torsion spring (11). The left side of the fence main body (1) The output ends of a pair of motors (12) fixedly connected to the lower part of the wall are fixedly connected to an eccentric wheel (13); the racks (14) meshed with the outer surfaces of the two gear rings (5) are slidably connected to the outer surface of the eccentric wheel (13) through a stop plate (15); the inner wall of a piston cylinder (16) fixedly connected to the left side wall of the fence body (1) is slidably connected to a piston plate (17); the interior of the piston cylinder (16) is fixedly connected to a waterproof breathable membrane (18); the right side of the piston cylinder (16) is fixedly connected to a group of first one-way valves (19); the bottom surface of the piston plate (17) is fixedly connected to a group of second one-way valves (20); and the upper surface of the piston plate (17) is fixedly connected to a compression spring (21).

2. A goose breeding pen with good ventilation according to claim 1, characterized in that: The butt ring (22) fixedly connected to the bottom surface of the waterproof breathable membrane (18) is fixedly connected to the inner wall of the piston cylinder (16), the upper end of the compression spring (21) is fixedly connected to the bottom surface of the butt ring (22), the air inlet end of the first one-way valve (19) is connected to the interior of the fence body (1), and the air outlet end of the first one-way valve (19) and the air inlet end of the second one-way valve (20) are both connected to the interior of the piston cylinder (16), and the air outlet end of the second one-way valve (20) is connected to the bottom of the bottom net (2).

3. The goose breeding pen with good ventilation according to claim 1, characterized in that: A protective shell (23) is fixedly connected to the left side wall of the fence body (1), and the protective shell (23) is communicated with the bottom of the bottom net (2). The motor (12) and the eccentric wheel (13) are both located inside the protective shell (23), and the piston plate (17) penetrates into the protective shell (23), and the piston plate (17) is slidably connected to the penetration point of the piston cylinder (16) and the protective shell (23).

4. The goose breeding pen with good ventilation according to claim 1, characterized in that: One end of the torsion spring (11) is fixedly connected to the upper surface of the horizontal plate (9), and the other end of the torsion spring (11) is fixedly connected to the outer surface of the scraper (10). The upper end of the scraper (10) is slidably connected to the outer surface of the conveyor belt (8). A first through groove (7) is provided at the lower part of the right side surface of the fence body (1), and the conveyor belt (8) passes through the first through groove (7) and extends to the right side of the fence body (1).

5. The goose breeding pen with good ventilation according to claim 1, characterized in that: A recovery box (24) is clamped on the lower part of the right side of the fence body (1), the scraper (10) is located directly above the recovery box (24), and a baffle (25) is fixedly connected to the right side of the upper surface of the recovery box (24).

6. The goose breeding pen with good ventilation according to claim 1, characterized in that: The upper end of the rack (14) is fixedly connected to the bottom surface of the butt plate (15), the outer surface of the eccentric wheel (13) is slidably connected to the upper surface of the butt plate (15), the front and rear side walls of the fence body (1) are both provided with sliding grooves (26), the two ends of the butt plate (15) are respectively slidably connected to the inner wall of a sliding groove (26), and the upper end of the telescopic spring (27) fixedly connected to the inner bottom wall of the sliding groove (26) is fixedly connected to the bottom surface of the butt plate (15).

7. The goose breeding pen with good ventilation according to claim 1, characterized in that: A groove (28) is provided on the inner bottom wall of the fence body (1), a water pump (29) is clamped on the inner bottom wall of the groove (28), a water outlet end of the groove (28) is connected to a nozzle (30) fixedly connected to the inner bottom wall of the fence body (1), a second through groove (31) connected to the groove (28) is provided on the front side of the fence body (1), and a filter screen (32) is slidably connected to the inner wall of the second through groove (31).

8. The goose breeding pen with good ventilation according to claim 7, characterized in that: An observation window (33) is provided at the lower part of the front of the main body (1), and a water inlet funnel (34) fixedly connected to the lower part of the front of the main body (1) is communicated with the groove (28). A door (35) is hingedly connected to the back of the main body (1), and an ultraviolet lamp (36) is fixedly connected to the inner top wall of the main body (1).

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