A pest trap for use in growing pennisetum purpureum

Abstract

The application discloses a kind of pests trapping device for the growth of hundred-rib grass, belong to pest control field, a kind of pests trapping device for the growth of hundred-rib grass, including bottom plate, the upper surface of bottom plate is fixedly connected with stand, the top of stand is fixedly connected with first circular plate, the upper surface of second circular plate is fixedly connected with motor, the output of motor is fixedly connected with reciprocating screw rod, reciprocating screw rod is slidably connected with installation cylinder, installation cylinder is rotatably connected with sliding block, sliding block is slidably connected in the groove on reciprocating screw rod, the lower surface of second circular plate is fixedly connected with hollow rod, the through-hole that installation cylinder is opened is matched with hollow rod, installation cylinder is fixedly connected with lamp holder, black light lamp is installed on lamp holder.The installation cylinder can drive black light lamp synchronous reciprocating motion up and down by motor work, increase the illumination range of black light lamp, avoid excessive pests to accumulate on conductive rod and shield the light emitted by black light lamp to affect trapping effect.

Description

Technical Field

[0001] This invention relates to the field of pest control technology, specifically to a pest trapping device for the growth of Centella asiatica. Background Technology

[0002] *Cymbidium goeringii* is a perennial semi-parasitic herb, 15–30 cm tall, with many branches at the base. The branches are slender and angular. The leaves are alternate, linear and pointed, 2–5 cm long and about 2 mm wide, with one vein. The flowers are small, axillary, with one bract and two bracteoles. The perianth is bell-shaped, greenish-white, 5-lobed, occasionally 4-lobed. The stamens are the same number as the lobes, inserted on the inner surface of the lobes and opposite to the lobes. The ovary is inferior, the stigma is capitate, and the nut is spherical, about 2 mm in diameter. The perianth is persistent with prominent reticulations. It flowers in April and fruits in May. *Cymbidium goeringii* is susceptible to phytophagous pests. These pests can cause crop diseases by feeding, laying eggs in crop tissues, causing fungal infections, and directly transmitting crop diseases. If pests are not trapped and killed, the yield of *Cymbidium goeringii* will be severely reduced.

[0003] In existing technologies, black light lamps are used in conjunction with electric grids to kill pests. However, since the position of the black light lamps does not change spontaneously, when the black light lamps attract too many pests, a large number of pests block the light emitted by the black light lamps, thereby reducing the trapping effect. Summary of the Invention

[0004] The purpose of this invention is to provide a pest trapping device for the growth of Centella asiatica, which has the advantage of being able to move a black light lamp, and solves the problem in the prior art that after a black light lamp attracts too many pests, a large number of pests block the light emitted by the black light lamp, reducing the trapping effect.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a pest trapping device for the growth of *Centella asiatica*, comprising a base plate, a column fixedly connected to the upper surface of the base plate, a first circular plate fixedly connected to the top of the column, a plurality of conductive rods arranged in a circular array on the first circular plate, a second circular plate fixedly connected to the top of the plurality of conductive rods, a motor fixedly connected to the upper surface of the second circular plate, a reciprocating screw fixedly connected to the output end of the motor, an mounting cylinder slidably connected to the reciprocating screw, a slider rotatably connected inside the mounting cylinder, the slider slidably connected to a groove on the reciprocating screw, a hollow rod fixedly connected to the lower surface of the second circular plate, a through hole adapted to the hollow rod on the mounting cylinder, a lamp holder fixedly connected to the mounting cylinder, and a black light installed on the lamp holder.

[0006] Preferably, a pressure-sensitive switch for controlling the energization of the conductive rod is fixedly connected to the lower surface of the second circular plate, and the upper surface of the lamp holder intermittently abuts against the pressure-sensitive switch.

[0007] Preferably, the first circular plate is provided with an attraction mechanism for emitting odor to attract pests. The attraction mechanism includes a third circular plate, the lower surface of which is slidably connected to the first circular plate, and the upper surface of which is fixedly connected to a reciprocating screw. The reciprocating screw and the third circular plate are located on the same axis. A container for holding insect attractant is fixedly connected to the upper surface of the first circular plate, and the upper part of the container is provided with an opening.

[0008] Preferably, the attraction mechanism further includes a slide rod, a through groove that slides with the slide rod on the third circular plate, an annular wavy groove on the upper surface of the first circular plate, the bottom of the slide rod being slidably connected in the annular wavy groove, a rectangular limiting block being fixedly connected to the middle of the slide rod, and a groove that cooperates with the rectangular limiting block on the third circular plate.

[0009] Preferably, the attraction mechanism further includes a rotating rod, which is rotatably connected to the top of the slide rod. One end of the rotating rod is fitted with a torsion spring, and the other end of the rotating rod is fixedly connected to a fan plate. The two ends of the torsion spring are respectively fixedly connected to the slide rod and the rotating rod. A protrusion is provided on the third circular plate between the fan plate and the holding box, and the protrusion intermittently abuts against the fan plate.

[0010] Preferably, the third circular plate is provided with a lubrication mechanism for reducing vibrations generated during equipment operation. The lubrication mechanism includes a piston cylinder, on which an extraction pipe and a discharge pipe are fixedly connected. The extraction pipe is fixedly connected to the third circular plate. An oil groove for holding lubricating oil is opened on the upper surface of the first circular plate. One end of the extraction pipe away from the piston cylinder extends into the oil groove. Both the extraction pipe and the discharge pipe are provided with one-way valves. A piston rod is fixedly connected to the slide rod and is slidably connected inside the piston cylinder.

[0011] Preferably, the lubrication mechanism further includes a hollow ring fixedly connected to the bottom of the hollow rod, an annular plate rotatably connected inside the hollow ring, the top of the discharge pipe fixedly connected to the annular plate, and an oil outlet pipe fixedly connected to a section of the hollow rod near the second circular plate, with the discharge end of the oil outlet pipe close to and facing the reciprocating screw.

[0012] Preferably, the lubrication mechanism further includes a connecting groove formed on the first circular plate, the annular wavy groove being connected to the oil groove through the connecting groove, an oil guide hole being formed on the third circular plate being connected to the oil groove, a flow guide groove being formed on the third circular plate being connected to the oil guide hole, and a cylinder being fixedly connected to the upper surface of the mounting cylinder.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. This invention utilizes the reciprocating screw at the motor output end to rotate during motor operation. Due to the limiting effect of the hollow rod on the mounting cylinder, the mounting cylinder does not rotate with the reciprocating screw. As the reciprocating screw rotates, the slider inside the mounting cylinder slides relative to the groove on the reciprocating screw, allowing the mounting cylinder to slide axially back and forth on the reciprocating screw. This enables the mounting cylinder to drive the black light to move up and down synchronously, increasing the illumination range of the black light and preventing excessive pests from accumulating on the conductive rod and blocking the light emitted by the black light, thus affecting the trapping effect.

[0015] 2. In this invention, when the mounting cylinder drives the lamp holder to slide to the top of its travel, the upper surface of the lamp holder can contact the pressure-sensitive switch and squeeze the pressure-sensitive switch. At this time, the conductive rod controlled by the pressure-sensitive switch will be energized. The energized conductive rod can electrocute the pests attached to it. Since the mounting cylinder drives the lamp holder to slide back and forth, the conductive rod is intermittently energized, thus avoiding excessive harm to people under certain extreme conditions.

[0016] 3. In this invention, the rotating rod on the sliding rod approaches the holding box. At this time, the fan plate on the rotating rod can contact the protrusion. The protrusion first blocks the fan plate, causing the rotating rod to rotate relative to the sliding rod. At this time, the torsion spring on the rotating rod is twisted and has potential energy. As the sliding rod continues to approach the holding box, the fan plate can eventually detach from the protrusion. At the moment the two are separated, the torsion of the torsion spring is released. At this time, the rotating rod suddenly rotates back to its original position, causing the fan plate to fan towards the holding box. Since there is an opening at the top of the holding box, the fan plate can make the scent of the insect attractant inside the holding box spread further, making it easier to trap pests over a wider area.

[0017] 4. This invention allows lubricating oil to flow through the hollow rod and eventually from the oil outlet pipe on the hollow rod to the reciprocating screw, thus lubricating the connection between the mounting cylinder and the reciprocating screw. This ensures that the mounting cylinder does not generate significant vibration when sliding on the reciprocating screw, greatly reducing the overall vibration of the equipment during operation and preventing pests from being scared away. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0020] Figure 3 This is a schematic diagram of the structure of the slide bar in this invention;

[0021] Figure 4 This is a schematic diagram of the structure at the mounting cylinder of the present invention;

[0022] Figure 5This is a schematic diagram of the structure of the oil tank in this invention.

[0023] In the diagram: 1. Base plate; 11. Column; 12. First circular plate; 13. Second circular plate; 14. Conductive rod; 15. Hollow rod; 16. Oil outlet pipe; 17. Pressure-sensitive switch; 2. Motor; 21. Reciprocating screw; 22. Third circular plate; 23. Mounting cylinder; 24. Cylinder; 25. Lamp holder; 26. Black light; 27. Slider; 28. Guide groove; 29. ​​Oil guide hole; 3. Slide rod; 31. Rotating rod; 32. Torsion spring; 33. Fan plate; 34. Protrusion; 35. Holding box; 36. Rectangular limit block; 4. Annular wavy slide groove; 41. Connecting groove; 42. Oil tank; 43. Piston cylinder; 44. Piston rod; 45. Extraction pipe; 46. Discharge pipe; 47. One-way valve; 48. Annular plate; 49. Hollow ring. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] Example 1

[0026] Reference Figures 1-2 This invention provides a technical solution: a pest trapping device for the growth of *Centella asiatica*, comprising a base plate 1, a column 11 fixedly connected to the upper surface of the base plate 1, a first circular plate 12 fixedly connected to the top of the column 11, a plurality of conductive rods 14 arranged in a circular array on the first circular plate 12, a second circular plate 13 fixedly connected to the top of the plurality of conductive rods 14, a motor 2 fixedly connected to the upper surface of the second circular plate 13, a reciprocating screw 21 fixedly connected to the output end of the motor 2, a mounting cylinder 23 slidably connected to the reciprocating screw 21, a slider 27 rotatably connected inside the mounting cylinder 23, the slider 27 slidably connected to a groove on the reciprocating screw 21, a hollow rod 15 fixedly connected to the lower surface of the second circular plate 13, a through hole adapted to the hollow rod 15 opened on the mounting cylinder 23, a lamp holder 25 fixedly connected to the mounting cylinder 23, and a black light 26 mounted on the lamp holder 25.

[0027] The device is installed in the required location using the base plate 1. The base plate 1 can be buried in the ground, or weights can be added to the base plate 1 to make the device more stable. During operation, the motor 2 and the black light 26 are powered on. When the black light 26 is turned on, it attracts pests. The black light 26 is located inside a cylinder formed by multiple conductive rods 14. The attracted pests will crawl onto the conductive rods 14, thus preventing the pests from directly contacting the black light 26 and causing its surface to become dirty, affecting its light emission. When the motor 2 is working, the reciprocating screw at the output end of the motor 2... When rod 21 rotates, the hollow rod 15 limits the installation cylinder 23, preventing the installation cylinder 23 from rotating with the reciprocating screw 21. As the reciprocating screw 21 rotates, the slider 27 inside the installation cylinder 23 slides relative to the groove on the reciprocating screw 21. Thus, the installation cylinder 23 can slide axially back and forth on the reciprocating screw 21, thereby driving the black light 26 to move up and down synchronously, increasing the illumination range of the black light 26, and preventing too many pests from accumulating on the conductive rod 14 and blocking the light emitted by the black light 26, thus affecting the trapping effect.

[0028] Furthermore, a pressure-sensitive switch 17 for controlling the power supply of the conductive rod 14 is fixedly connected to the lower surface of the second circular plate 13, and the upper surface of the lamp holder 25 intermittently abuts against the pressure-sensitive switch 17.

[0029] When the mounting cylinder 23 drives the lamp holder 25 to slide to the top of its travel, the upper surface of the lamp holder 25 can contact the pressure-sensitive switch 17 and squeeze the pressure-sensitive switch 17. At this time, the conductive rod 14 controlled by the pressure-sensitive switch 17 will be energized. The energized conductive rod 14 can kill the pests attached to it. Since the mounting cylinder 23 drives the lamp holder 25 to slide back and forth, the conductive rod 14 is intermittently energized, which can avoid causing excessive harm to people under certain extreme conditions.

[0030] Example 2

[0031] Reference Figures 2-3 Furthermore, based on Embodiment 1, the first circular plate 12 is provided with an attraction mechanism for emitting odors to attract pests. The attraction mechanism includes a third circular plate 22, the lower surface of which is slidably connected to the first circular plate 12, and the upper surface of which is fixedly connected to a reciprocating screw 21. The reciprocating screw 21 and the third circular plate 22 are located on the same axis. A holding box 35 for holding insect attractant is fixedly connected to the upper surface of the first circular plate 12, and the upper part of the holding box 35 is provided with an opening.

[0032] When the reciprocating screw 21 rotates, the third circular plate 22, which is fixedly connected to the bottom of the reciprocating screw 21, rotates synchronously. Since the slide rod 3 is slidably connected in the straight groove on the third circular plate 22, that is, the sliding direction of the slide rod 3 is perpendicular to the tangent direction of the rotation of the third circular plate 22, the third circular plate 22 can drive the slide rod 3 to perform a circular motion with the reciprocating screw 21 as the center.

[0033] Furthermore, the attraction mechanism also includes a slide rod 3, a straight groove that slides with the slide rod 3 on the third circular plate 22, an annular wave-shaped groove 4 on the upper surface of the first circular plate 12, the bottom of the slide rod 3 being slidably connected in the annular wave-shaped groove 4, a rectangular limiting block 36 being fixedly connected to the middle of the slide rod 3, and a groove that cooperates with the rectangular limiting block 36 on the third circular plate 22.

[0034] The first and second ends of the annular wave-shaped slide groove 4 are connected, so when the slide rod 3 follows the third circular plate 22 to make a circular motion, the bottom of the slide rod 3 can slide relatively in the annular wave-shaped slide groove 4. At this time, the slide rod 3 can slide back and forth in the straight slide groove on the third circular plate 22. The rectangular limiting block 36 set in the middle of the slide rod 3 can limit the slide rod 3 and prevent the slide rod 3 from tipping over.

[0035] Furthermore, the attraction mechanism also includes a rotating rod 31, which is rotatably connected to the top of the slide rod 3. One end of the rotating rod 31 is fitted with a torsion spring 32, and the other end of the rotating rod 31 is fixedly connected to a fan plate 33. The two ends of the torsion spring 32 are fixedly connected to the slide rod 3 and the rotating rod 31 respectively. A protrusion 34 is provided on the third circular plate 22 between the fan plate 33 and the holding box 35. The protrusion 34 intermittently abuts against the fan plate 33.

[0036] When the slide bar 3 moves toward the container 35, the rotating rod 31 on the slide bar 3 moves toward the container 35 simultaneously. At this time, the fan plate 33 on the rotating rod 31 can contact the protrusion 34. The protrusion 34 first blocks the fan plate 33, causing the rotating rod 31 to rotate relative to the slide bar 3. At this time, the torsion spring 32 on the rotating rod 31 is twisted and has potential energy. As the slide bar 3 continues to move toward the container 35, the fan plate 33 can eventually break away from the contact with the protrusion 34. At the moment the two break away from the contact state, the torque of the torsion spring 32 is released. At this time, the rotating rod 31 suddenly rotates back to its original position, causing the fan plate 33 to fan toward the container 35. Since the container 35 has an opening at the top, the fanning of the fan plate 33 can make the scent of the insect attractant inside the container 35 spread further, making it easier to trap pests over a wider area.

[0037] Example 3

[0038] Reference Figures 3-5Furthermore, based on Embodiment 2, the third circular plate 22 is provided with a lubrication mechanism for reducing vibrations generated during equipment operation. The lubrication mechanism includes a piston cylinder 43, on which an extraction pipe 45 and a discharge pipe 46 are fixedly connected. The extraction pipe 45 is fixedly connected to the third circular plate 22. An oil groove 42 for holding lubricating oil is opened on the upper surface of the first circular plate 12. One end of the extraction pipe 45 away from the piston cylinder 43 extends into the oil groove 42. Both the extraction pipe 45 and the discharge pipe 46 are provided with a one-way valve 47. A piston rod 44 is fixedly connected to the slide rod 3 and is slidably connected inside the piston cylinder 43.

[0039] The extraction tube 45 has sufficient strength, thus enabling it to stably support the piston cylinder 43. When the slide rod 3 reciprocates, the piston rod 44, which is fixedly connected to the slide rod 3, moves synchronously. At this time, the piston rod 44 can reciprocate within the piston cylinder 43. Since both the extraction tube 45 and the discharge tube 46 connected to the piston cylinder 43 are equipped with one-way valves 47, when the piston rod 44 reciprocates within the piston cylinder 43, the lubricating oil in the oil groove 42 can enter the piston cylinder 43 through the extraction tube 45, and the lubricating oil that enters the piston cylinder 43 can be discharged through the discharge tube 46.

[0040] Furthermore, the lubrication mechanism also includes a hollow ring 49 fixedly connected to the bottom of the hollow rod 15, an annular plate 48 rotatably connected inside the hollow ring 49, the top of the discharge pipe 46 fixedly connected to the annular plate 48, and an oil outlet pipe 16 fixedly connected to a section of the hollow rod 15 near the second circular plate 13, with the discharge end of the oil outlet pipe 16 close to and facing the reciprocating screw 21.

[0041] The annular plate 48 is rotatably connected inside the hollow ring 49. The space formed by the annular plate 48 and the hollow ring 49 can be kept sealed. The discharge pipe 46 is connected to the annular plate 48, so the lubricating oil discharged through the discharge pipe 46 can enter the hollow ring 49. The hollow ring 49 is connected to the hollow rod 15, so the lubricating oil can flow through the hollow rod 15 and finally flow from the oil outlet pipe 16 on the hollow rod 15 to the reciprocating screw 21. This lubricates the connection between the mounting cylinder 23 and the reciprocating screw 21, thus ensuring that the mounting cylinder 23 does not generate large vibrations when sliding on the reciprocating screw 21.

[0042] Furthermore, the lubrication mechanism also includes a connecting groove 41 opened on the first circular plate 12, an annular wave-shaped slide groove 4 connected to the oil groove 42 through the connecting groove 41, an oil guide hole 29 connected to the oil groove 42 opened on the third circular plate 22, a flow guide groove 28 connected to the oil guide hole 29 opened on the third circular plate 22, and a cylinder 24 fixedly connected to the upper surface of the mounting cylinder 23.

[0043] The lubricating oil flowing onto the reciprocating screw 21 flows downwards along the screw 21. The cylinder 24 on the mounting sleeve 23 prevents the lubricating oil from flowing onto the black light 26 and affecting its brightness. The hollow ring 49 is on the same axis as the reciprocating screw 21, and there is a sufficient distance between the hollow ring 49 and the reciprocating screw 21. Thus, the lubricating oil flowing along the reciprocating screw 21 can eventually flow to the upper surface of the third circular plate 22. Finally, the lubricating oil can flow back into the oil sump 42 through the guide groove 28 on the third circular plate 22 and the oil guide hole 29, allowing the lubricating oil to circulate. In actual use, the upper surface of the third circular plate 22 can be set with a certain slope, so that the lubricating oil can more easily flow back into the oil groove 42 through the oil guide hole 29. The annular wave-shaped slide groove 4 is connected to the oil groove 42 through the connecting groove 41, so that the lubricating oil can flow into the inner part of the annular wave-shaped slide groove 4 through the connecting groove 41, ensuring smooth sliding between the slide rod 3 and the first circular plate 12. At the same time, a small amount of lubricating oil can flow between the third circular plate 22 and the first circular plate 12, so that the relative sliding between the third circular plate 22 and the first circular plate 12 will not produce excessive vibration.

[0044] Working principle: This pest trapping device for the growth of Centella asiatica is installed in the required position using the base plate 1. The base plate 1 can be buried in the ground, or a weight can be added to the base plate 1 to make the device more stable. When working, the motor 2 and the black light 26 are powered on. When the black light 26 is turned on, it can attract pests. The black light 26 is located inside a cylinder formed by multiple conductive rods 14. The attracted pests will crawl onto the conductive rods 14, thus preventing the pests from directly contacting the black light 26 and making the surface of the black light 26 dirty, which would affect the light emission.

[0045] When the motor 2 is working, the reciprocating screw 21 at the output end of the motor 2 rotates. Due to the limitation of the hollow rod 15 on the mounting cylinder 23, the mounting cylinder 23 will not rotate with the reciprocating screw 21. As a result, when the reciprocating screw 21 rotates, the slider 27 inside the mounting cylinder 23 can slide relative to the groove on the reciprocating screw 21. As a result, the mounting cylinder 23 can slide axially back and forth on the reciprocating screw 21. As a result, the mounting cylinder 23 can drive the black light 26 to move up and down synchronously, increase the illumination range of the black light 26, and prevent too many pests from accumulating on the conductive rod 14 and blocking the light emitted by the black light 26, thus affecting the trapping effect.

[0046] When the mounting cylinder 23 drives the lamp holder 25 to slide to the top of its travel, the upper surface of the lamp holder 25 can contact the pressure-sensitive switch 17 and squeeze the pressure-sensitive switch 17. At this time, the conductive rod 14 controlled by the pressure-sensitive switch 17 will be energized. The energized conductive rod 14 can kill the pests attached to the conductive rod 14. Since the mounting cylinder 23 drives the lamp holder 25 to slide back and forth, the conductive rod 14 is intermittently energized, which can avoid causing excessive harm to people under certain extreme conditions.

[0047] When the reciprocating screw 21 rotates, the third circular plate 22, which is fixedly connected to the bottom of the reciprocating screw 21, rotates synchronously. Since the slide rod 3 is slidably connected in the straight groove on the third circular plate 22, meaning the sliding direction of the slide rod 3 is perpendicular to the tangent direction of the rotation of the third circular plate 22, the third circular plate 22 can drive the slide rod 3 to perform a circular motion with the reciprocating screw 21 as the center. Figure 3 and Figure 5 As shown, the first and second ends of the annular wave-shaped groove 4 are connected, so when the slide rod 3 follows the third circular plate 22 in a circular motion, the bottom of the slide rod 3 can slide relatively within the annular wave-shaped groove 4. At this time, the slide rod 3 can slide back and forth within the straight groove on the third circular plate 22. The rectangular limiting block 36 set in the middle of the slide rod 3 can limit the slide rod 3 to prevent it from tipping over. When the slide rod 3 moves towards the container 35, the rotating rod 31 on the slide rod 3 moves towards the container 35 simultaneously. At this time, the fan plate 33 on the rotating rod 31 can contact the protrusion 34. At this time, the protrusion 34 first moves against the fan plate 33. The obstruction causes the rotating rod 31 to rotate relative to the sliding rod 3. At this time, the torsion spring 32 on the rotating rod 31 is twisted and has potential energy. As the sliding rod 3 continues to approach the holding box 35, the fan plate 33 can eventually break away from the contact with the protrusion 34. At the moment the two break away from the contact state, the torque of the torsion spring 32 is released. At this time, the rotating rod 31 suddenly rotates back to its original position, which causes the fan plate 33 to fan towards the holding box 35. Since the upper part of the holding box 35 has an opening, the fanning of the fan plate 33 can make the scent emitted by the insect attractant in the holding box 35 spread further, which is convenient for attracting pests over a wider area.

[0048] The extraction tube 45 has sufficient strength, thus enabling it to stably support the piston cylinder 43. When the slide rod 3 reciprocates, the piston rod 44, which is fixedly connected to the slide rod 3, moves synchronously. At this time, the piston rod 44 can reciprocate within the piston cylinder 43. Since both the extraction tube 45 and the discharge tube 46 connected to the piston cylinder 43 are equipped with one-way valves 47, when the piston rod 44 reciprocates within the piston cylinder 43, the lubricating oil in the oil groove 42 can enter the piston cylinder 43 through the extraction tube 45, and the lubricating oil that enters the piston cylinder 43 can be discharged through the discharge tube 46.

[0049] The annular plate 48 is rotatably connected inside the hollow ring 49. The space formed by the annular plate 48 and the hollow ring 49 can remain sealed. The discharge pipe 46 is connected to the annular plate 48, allowing the lubricating oil discharged through the discharge pipe 46 to enter the hollow ring 49. The hollow ring 49 is connected to the hollow rod 15, allowing the lubricating oil to flow through the hollow rod 15 and finally flow from the oil outlet pipe 16 on the hollow rod 15 to the reciprocating screw 21. This lubricates the connection between the mounting cylinder 23 and the reciprocating screw 21, ensuring that the mounting cylinder 23 does not vibrate significantly when sliding on the reciprocating screw 21. The lubricating oil flowing onto the reciprocating screw 21 flows downwards along the reciprocating screw 21. The cylinder 24 on the mounting cylinder 23 prevents the lubricating oil from flowing onto the black light 26 and affecting its brightness. The hollow ring 49 and the reciprocating screw 21 are on the same axis and are hollow. Sufficient distance exists between the ring 49 and the reciprocating screw 21, allowing the lubricating oil flowing along the reciprocating screw 21 to eventually reach the upper surface of the third circular plate 22. The lubricating oil then flows back into the oil trough 42 via the guide groove 28 on the third circular plate 22 and the guide hole 29, enabling the lubricating oil to circulate. In actual use, a certain slope can be set on the upper surface of the third circular plate 22 to facilitate the lubricating oil's return through the guide hole 29 to the oil trough 42. The annular wave-shaped slide groove 4 is connected to the oil trough 42 via the connecting groove 41, allowing the lubricating oil to flow into the inner part of the annular wave-shaped slide groove 4 through the connecting groove 41, ensuring smooth sliding between the slide rod 3 and the first circular plate 12. Simultaneously, a small amount of lubricating oil can flow between the third circular plate 22 and the first circular plate 12, preventing excessive vibration during the relative sliding between the third circular plate 22 and the first circular plate 12.

[0050] The operation of the aforementioned mechanism greatly reduces the overall vibration of the equipment during operation, thereby preventing pests from being scared away.

[0051] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pest trapping device for the growth of Centella asiatica, comprising a base plate (1), wherein a column (11) is fixedly connected to the upper surface of the base plate (1), characterized in that: The top of the column (11) is fixedly connected with a first circular plate (12), a plurality of conductive rods (14) are arranged in an annular array on the first circular plate (12), the top of the plurality of conductive rods (14) is fixedly connected with a second circular plate (13), the upper surface of the second circular plate (13) is fixedly connected with a motor (2), the output end of the motor (2) is fixedly connected with a reciprocating screw rod (21), the reciprocating screw rod (21) is slidably connected with a mounting cylinder (23), the mounting cylinder (23) is rotatably connected with a sliding block (27), the sliding block (27) is slidably connected in a groove on the reciprocating screw rod (21), the lower surface of the second circular plate (13) is fixedly connected with a hollow rod (15), a through hole adapted to the hollow rod (15) is formed in the mounting cylinder (23), the mounting cylinder (23) is fixedly connected with a lamp holder (25), and the lamp holder (25) is mounted with a black light (26); The first circular plate (12) is provided with an attracting mechanism for emitting an odor to attract pests, the attracting mechanism comprises a third circular plate (22), the lower surface of the third circular plate (22) is slidably connected with the first circular plate (12), the upper surface of the third circular plate (22) is fixedly connected with the reciprocating screw rod (21), and the reciprocating screw rod (21) and the third circular plate (22) are located on the same axis, and the upper surface of the third circular plate (22) is fixedly connected with a containing box (35) for containing pest-attracting drugs, and the upper portion of the containing box (35) is provided with an opening; The attracting mechanism further comprises a sliding rod (3), a straight-through groove is formed in the third circular plate (22) and cooperates with the sliding rod (3) to slide, an annular wavy sliding groove (4) is formed in the upper surface of the first circular plate (12), the bottom of the sliding rod (3) is slidably connected in the annular wavy sliding groove (4), a rectangular limiting block (36) is fixedly connected to the middle portion of the sliding rod (3), and a sliding groove is formed in the third circular plate (22) and cooperates with the rectangular limiting block (36); The third circular plate (22) is provided with a lubricating mechanism for reducing vibration generated during operation of the equipment, the lubricating mechanism comprises a piston cylinder (43), the piston cylinder (43) is fixedly connected with a suction pipe (45) and a discharge pipe (46), the suction pipe (45) is fixedly connected to the third circular plate (22), an oil groove (42) for containing lubricating oil is formed in the upper surface of the first circular plate (12), one end of the suction pipe (45) away from the piston cylinder (43) extends into the oil groove (42), the suction pipe (45) and the discharge pipe (46) are each provided with a one-way valve (47), and a piston rod (44) is fixedly connected to the sliding rod (3) and slidably connected in the piston cylinder (43). The lubricating mechanism further comprises a hollow ring (49) fixedly connected to the bottom of the hollow rod (15), an annular plate (48) is rotatably connected in the hollow ring (49), the top of the discharge pipe (46) is fixedly connected to the annular plate (48), an oil outlet pipe (16) is fixedly connected to a section of the hollow rod (15) close to the second circular plate (13), and the discharge end of the oil outlet pipe (16) is close to and faces the reciprocating screw rod (21).

2. A pest trapping device for use in growing of grasses as claimed in claim 1, wherein: The lower surface of the second circular plate (13) is fixedly connected with a pressure-sensitive switch (17) for controlling the conduction of the conductive rod (14), and the upper surface of the lamp holder (25) intermittently abuts against the pressure-sensitive switch (17).

3. A pest trapping device for the growth of papyrus as claimed in claim 1, wherein: The suction mechanism further comprises a rotating rod (31), the rotating rod (31) is rotatably connected to the top of the sliding rod (3), one end of the rotating rod (31) is sleeved with a torsion spring (32), the other end of the rotating rod (31) is fixedly connected with a fan plate (33), the two ends of the torsion spring (32) are fixedly connected with the sliding rod (3) and the rotating rod (31) respectively, the third circular plate (22) is provided with a protruding block (34) between the fan plate (33) and the containing box (35), and the protruding block (34) intermittently abuts against the fan plate (33).

4. A pest trapping device for the growth of papyrus as claimed in claim 1, wherein: The lubricating mechanism further comprises a connecting groove (41) formed in the first circular plate (12), the annular wave-shaped sliding groove (4) is in communication with the oil groove (42) through the connecting groove (41), the third circular plate (22) is provided with an oil guide hole (29) in communication with the oil groove (42), the third circular plate (22) is provided with a flow guide groove (28) in communication with the oil guide hole (29), and the upper surface of the mounting cylinder (23) is fixedly connected with a cylindrical barrel (24).

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