Tobacco pesticide spraying device

By designing a tobacco spraying device with spray tubes with adjustable length and curvature and multiple spray heads with adjustable angles, the problems of uneven spraying and inability to cover the tobacco leaves in the prior art are solved, and the uniform spraying effect on the upper and lower surfaces of the tobacco leaves is achieved.

CN222941574UActive Publication Date: 2025-06-06ENSHI PREFECTURE CO OF HUBEI TOBACCO CO
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Patent Information

Application Number
CN202422163968.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-06-06
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

Existing tobacco spraying devices can only spray pesticides from top to bottom, resulting in poor spraying of pests on the lower surface of tobacco leaves. When the tobacco is tall or large, the tobacco leaves below may not be sprayed with pesticides.

Method used

A tobacco spraying device is designed, including a spray tube with adjustable length and curvature and a plurality of spray heads, which can adjust the angle as needed, so that pesticides can be sprayed on tobacco leaves at different heights from both sides of the tobacco.

Benefits of technology

The pesticide spraying effect on the upper and lower surfaces of tobacco leaves is achieved, and it can adapt to different heights and volumes of tobacco, ensuring that all tobacco leaves can be effectively sprayed on pesticides.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tobacco insecticide spraying device which comprises an insecticide spraying pipeline and a plurality of sprayers, the insecticide spraying pipeline comprises a connecting pipe and two insecticide spraying pipes, the connecting pipe is communicated with an outlet of an insecticide barrel, the upper ends of the two insecticide spraying pipes are communicated with the two ends of the connecting pipe respectively, and a spraying interval is defined by the upper ends of the two insecticide spraying pipes and the connecting pipe. The medicine spraying pipe has a deformation state in which the bending degree or the length can be adjusted and a stable state in which the bending degree or the length can be kept; the spray heads are arranged at intervals in the length direction of the two pesticide spraying pipes, the inlet ends of the spray heads communicate with the pesticide spraying pipes, and the outlet ends of the spray heads face the spraying interval. The pesticide spraying device has the advantages that pesticide can be sprayed to tobacco leaves at different heights from the two sides of the tobacco leaves, the angle of each spraying head can be adjusted, and therefore the same pesticide spraying effect is achieved on the upper surfaces and the lower surfaces of the tobacco leaves.
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Description

Technical Field

[0001] The utility model relates to the technical field of tobacco planting, in particular to a tobacco spraying device. Background Art

[0002] Tobacco is an important economic crop and is susceptible to pests during the planting process. Currently, tobacco pests are controlled by spraying pesticides. Existing pesticide spraying devices (such as a portable tobacco sprayer disclosed in application number 202122174022.8) can only spray pesticides from top to bottom when spraying tobacco. The effects of spraying pesticides on the upper and lower surfaces of tobacco leaves are different, but pests may hide on the lower surface of tobacco leaves, resulting in some pests hidden on the lower surface of tobacco leaves cannot be killed. In addition, the volume and height of tobacco are constantly changing at different stages of growth. When the tobacco is taller and larger in volume, the tobacco leaves below may not be sprayed with pesticides. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned technical deficiencies and propose a tobacco spraying device to solve the technical problems that the spraying device in the prior art can only spray pesticides from top to bottom, the effect of spraying pesticides on the lower surface of tobacco leaves is poor, and when the tobacco is high and large in volume, the tobacco leaves below may not be sprayed with pesticides.

[0004] In order to achieve the above technical purpose, the technical solution of the utility model provides a tobacco spraying device, including:

[0005] A spraying pipeline, comprising a connecting pipe and two spraying pipes, wherein the connecting pipe is used to communicate with the outlet of the medicine barrel, the upper ends of the two spraying pipes are respectively connected with the two ends of the connecting pipe, and the spraying pipes are surrounded by the connecting pipe to form a spraying area, and the spraying pipes have a deformation state in which the curvature or length can be adjusted and a stable state in which the curvature or length can be maintained;

[0006] A plurality of nozzles are arranged at intervals along the length direction of the two spray pipes, an inlet end of each nozzle is connected to the spray pipe, and an outlet end of each nozzle faces the spraying interval.

[0007] Furthermore, the tobacco spraying device also includes a plurality of opening and closing mechanisms, each of which is connected to each of the nozzles in a one-to-one correspondence, so that the outlet end of the nozzle is in an open or closed state.

[0008] Furthermore, the nozzle seal slides through the side wall of the spray pipe, and the opening and closing mechanism includes a sealing member and an elastic member. The sealing member is slidably arranged on the outer wall of the spray pipe and is used to abut or separate from the outlet end of the nozzle. The two ends of the elastic member are respectively connected to the spray pipe and the nozzle, so that the outlet end of the nozzle is located outside the spray pipe.

[0009] Furthermore, the blocking member is a half ring, which is slidably mounted on the spray pipe and can rotate relative to the spray pipe. The inner side surface of one end of the half ring is a slope structure, and a groove is provided on the inner side surface of one end of the half ring.

[0010] Furthermore, the card slot is located on the inclined surface.

[0011] Furthermore, the groove wall of the slot is an arc-shaped structure, and the outlet end of the nozzle is an arc-shaped structure.

[0012] Furthermore, the opening and closing mechanism also includes a rubber pad, and the rubber pad is arranged in the card slot.

[0013] Furthermore, the spray pipeline also includes a plurality of mounting rings, each of which is fixedly sleeved on the spray pipe at intervals along the length direction of the two spray pipes, and a receiving groove is provided on the outer wall of the mounting ring, the outlet end of the spray head is located in the receiving groove, and the inlet end of the spray head seals and slides through the spray pipe and extends into the spray pipe. A guide groove of an annular structure is also provided on the outer wall of the mounting ring, and the half ring is slidably arranged in the guide groove.

[0014] Furthermore, the spray pipeline also includes a plurality of limiting rings and limiting balls, each of the limiting rings is detachably fixed at the notch of the corresponding receiving groove, each of the limiting balls is arranged in the corresponding receiving groove and fixedly mounted on the spray head, and the diameter of the limiting ball is larger than the diameter of the center hole of the limiting ring.

[0015] Furthermore, the spray pipeline also includes a plurality of sliding plates, each of which is slidably disposed in the corresponding receiving groove and is located on the inner side of the limiting ball, the inlet end of the nozzle slides through the sliding plate, the elastic member is located on the inner side of the sliding plate and is sleeved on the nozzle, and the two ends of the elastic member are respectively fixed to the spray pipe and the sliding plate.

[0016] Compared with the prior art, the beneficial effects of the utility model include: when in use, the tobacco is located in the spraying area, and the two spray tubes are manually stretched according to the height and volume of the tobacco to adjust the length of the spray tubes, so that each nozzle can spray pesticides on tobacco leaves at different heights, and then the two spray tubes are manually bent to adjust the curvature of the spray tubes, so that the angle of the nozzle can be adjusted so that the nozzle is facing upward or downward. When the nozzle is facing upward, pesticides can be sprayed on the upper surface of the tobacco leaves, and when the nozzle is facing downward, pesticides can be sprayed on the lower surface of the tobacco leaves. This spraying device can spray pesticides on tobacco leaves at different heights from both sides of the tobacco, and the angle of each nozzle can be adjusted, so as to have the same pesticide spraying effect on the upper and lower surfaces of the tobacco leaves. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of a tobacco spraying device provided by the utility model;

[0018] Figure 2 It is a three-dimensional structural diagram of the connection relationship between the installation ring, the nozzle and the opening and closing mechanism of a tobacco spraying device provided by the utility model;

[0019] Figure 3 yes Figure 2 The enlarged view of A in FIG.

[0020] In the figure: 100 - spray pipeline, 110 - connecting pipe, 120 - spray pipe, 130 - mounting ring, 131 - receiving groove, 140 - limiting ring, 150 - limiting ball, 160 - sliding plate, 170 - liquid inlet pipe, 200 - spray head, 300 - opening and closing mechanism, 310 - blocking part, 311 - half ring, 3111 - slot, 320 - elastic part, 330 - rubber pad. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] The utility model provides a tobacco spraying device, the structure of which is as follows: Figure 1 - Figure 3As shown, it includes a spray pipeline 100 and a plurality of spray heads 200. The spray pipeline 100 includes a connecting pipe 110 and two spray pipes 120. The connecting pipe 110 is used to communicate with the outlet of the medicine barrel. The upper ends of the two spray pipes 120 are respectively connected to the two ends of the connecting pipe 110, and enclose a spraying interval with the connecting pipe 110. The spray pipe 120 has a deformation state in which the curvature or length can be adjusted and a stable state in which the curvature or length can be maintained. Each of the spray heads 200 is spaced apart along the length direction of the two spray pipes 120, and the inlet end of each of the spray heads 200 is connected to the spray pipe 120, and the outlet end of each of the spray heads 200 faces the spraying interval.

[0023] When in use, the tobacco is located in the spraying interval. According to the height and volume of the tobacco, the two spray pipes 120 are manually stretched to adjust the length of the spray pipes 120, so that each of the nozzles 200 can spray pesticides on tobacco leaves at different heights. Then, the two spray pipes 120 are manually bent to adjust the curvature of the spray pipes 120, so that the angle of the nozzle 200 can be adjusted so that the nozzle 200 is facing upward or downward. When the nozzle 200 is facing upward, pesticides can be sprayed on the upper surface of the tobacco leaves, and when the nozzle 200 is facing downward, pesticides can be sprayed on the lower surface of the tobacco leaves. The present spraying device can spray pesticides on tobacco leaves at different heights from both sides of the tobacco, and the angle of each of the nozzles 200 can be adjusted, so as to have the same pesticide spraying effect on the upper and lower surfaces of the tobacco leaves.

[0024] As a preferred embodiment, please refer to Figure 2 and Figure 3 The tobacco spraying device also includes a plurality of opening and closing mechanisms 300, each of which is connected to each of the nozzles 200 in a one-to-one correspondence so that the outlet end of the nozzle 200 is in an open or closed state. The nozzle 200 can be selectively opened or closed according to the density of the tobacco, thereby improving the utilization rate of the pesticide and avoiding waste of the pesticide.

[0025] As a preferred embodiment, please refer to Figure 2 and Figure 3The nozzle 200 seals and slides through the side wall of the spray pipe 120. The opening and closing mechanism 300 includes a blocking member 310 and an elastic member 320. The blocking member 310 is slidably arranged on the outer side wall of the spray pipe 120 and is used to abut or separate from the outlet end of the nozzle 200. The two ends of the elastic member 320 are respectively connected to the spray pipe 120 and the nozzle 200, so that the outlet end of the nozzle 200 is located outside the spray pipe 120. When the nozzle 200 needs to be closed, the blocking member 310 is pushed. The blocking member 310 can be moved to the nozzle 200, and the blocking member 310 abuts against the nozzle 200, so that the outlet end of the nozzle 200 is in a closed state. At this time, the elastic member 320 is in a compressed state and accumulates compressed elastic potential energy. When the nozzle 200 needs to be opened, the blocking member 310 is pushed to move the blocking member 310 away from the nozzle 200. The blocking member 310 is separated from the nozzle 200, so that the outlet end of the nozzle 200 is in an open state.

[0026] As a preferred embodiment, please refer to Figure 2 and Figure 3 The blocking member 310 is a half ring 311, which is slidably mounted on the spray pipe 120 and can rotate relative to the spray pipe 120. The inner side surface of one end of the half ring 311 is a slope structure. During the rotation process, the half ring 311 can gradually press the nozzle 200 via the slope, so as to achieve abutment with the outlet end of the nozzle 200. A groove 3111 is provided on the inner side surface of one end of the half ring 311. When the outlet end of the nozzle 200 is inserted into the groove 3111, the position of the half ring 311 can be locked by the clamping effect of the nozzle 200 and the half ring 311, so as to prevent the half ring 311 from separating from the nozzle 200.

[0027] As a preferred embodiment, please refer to Figure 2 and Figure 3 The slot 3111 is located on the inclined plane, which ensures that the position of the semi-ring 311 is locked. When the semi-ring 311 is pushed, it is also convenient for the nozzle 200 to be moved out of the slot 3111.

[0028] As a preferred embodiment, please refer to Figure 2 and Figure 3 The groove wall of the slot 3111 is an arc-shaped structure, and the outlet end of the nozzle 200 is an arc-shaped structure, which facilitates the nozzle 200 to be moved out of the slot 3111.

[0029] As a preferred embodiment, please refer to Figure 3The opening and closing mechanism 300 further includes a rubber pad 330 , and the rubber pad 330 is disposed in the slot 3111 , which can improve the sealing effect on the outlet end of the nozzle 200 .

[0030] As a preferred embodiment, please refer to Figure 3 The elastic member 320 is a spring, which can accumulate compressive elastic potential energy when subjected to pressure, and release the compressive elastic potential energy when the pressure disappears, so that the nozzle 200 is reset.

[0031] As a preferred embodiment, please refer to Figure 1 and Figure 2 The spray pipe 100 also includes a plurality of mounting rings 130, each of which is fixedly sleeved on the two spray pipes 120 at intervals along the length direction of the two spray pipes 120, and a receiving groove 131 is provided on the outer wall of the mounting ring 130, the outlet end of the spray head 200 is located in the receiving groove 131, the inlet end of the spray head 200 seals and slides through the spray pipe 120 and extends into the spray pipe 120, the inlet end of the spray head 200 can be accommodated by the receiving groove 131, so that the inlet end of the spray head 200 can be retracted into the receiving groove 131 after being pressed, and a guide groove of an annular structure is also provided on the outer wall of the mounting ring 130, the semi-ring 311 is slidably arranged in the guide groove, and the movement of the semi-ring 311 can be guided by the guide groove.

[0032] As a preferred embodiment, please refer to Figure 3 The spray pipeline 100 also includes a plurality of limit rings 140 and limit balls 150. Each of the limit rings 140 is detachably fixed at the notch of the corresponding receiving groove 131. Each of the limit balls 150 is disposed in the corresponding receiving groove 131 and fixedly sleeved on the spray head 200. The diameter of the limit ball 150 is larger than the diameter of the center hole of the limit ring 140, which can stop the outward movement of the spray head 200 and prevent the spray head 200 from moving out too long.

[0033] As a preferred embodiment, please refer to Figure 3 The spray pipe 100 also includes a plurality of sliding plates 160, each of which is slidably disposed in the corresponding receiving groove 131 and is located on the inner side of the limiting ball 150. The inlet end of the nozzle 200 slides through the sliding plate 160. The elastic member 320 is located on the inner side of the sliding plate 160 and is sleeved on the nozzle 200. The two ends of the elastic member 320 are respectively fixedly connected to the spray pipe 120 and the sliding plate 160, so as to facilitate the installation of the elastic member 320 and guide the movement of the nozzle 200 through the sliding plate 160.

[0034] As a preferred embodiment, please refer to Figure 1 The spraying pipeline 100 also includes a liquid inlet pipe 170, one end of which is connected to the connecting pipe 110, and the other end of the liquid inlet pipe 170 is used to connect to the outlet of the medicine barrel. People can also hold the liquid inlet pipe 170 to facilitate the operation of the entire spraying device.

[0035] In order to better understand the present invention, the following Figure 1 - Figure 3 The working principle of the technical solution of the utility model is described in detail:

[0036] When in use, the tobacco is located in the spraying interval. According to the height and volume of the tobacco, the two spray tubes 120 are manually stretched to adjust the length of the spray tubes 120, so that each of the spray heads 200 can spray pesticides on tobacco leaves at different heights. Then, the two spray tubes 120 are manually bent to adjust the curvature of the spray tubes 120, so that the angle of the spray head 200 can be adjusted, so that the spray head 200 faces upward or downward. When the spray head 200 faces upward, the upper surface of the tobacco leaves can be sprayed with pesticides. When the nozzle 200 is facing downward, the pesticide can be sprayed on the lower surface of the tobacco leaves. The nozzle 200 can be selectively opened or closed according to the density of the tobacco. When the nozzle 200 needs to be closed, the semi-ring 311 is rotated. During the rotation process, the semi-ring 311 can gradually press the nozzle 200 via the inclined surface, so that the outlet end of the nozzle 200 can be pressed into the receiving groove 131. When the outlet end of the nozzle 200 is inserted into the slot 3111, the The outlet end of the nozzle 200 abuts against the rubber pad 330, and the outlet end of the nozzle 200 can be blocked by the rubber pad 330, so that the outlet end of the nozzle 200 is in a closed state, and the position of the semi-ring 311 can be locked by the clamping action of the nozzle 200 and the semi-ring 311 to prevent the semi-ring 311 from separating from the nozzle 200. At this time, the elastic member 320 is in a compressed state and accumulates compressed elastic potential energy. When the nozzle 200 needs to be opened, the semi-ring 311 can be locked. 00, the half ring 311 is rotated to move the half ring 311 away from the nozzle 200. The half ring 311 is separated from the nozzle 200, so that the outlet end of the nozzle 200 is in an open state, thereby improving the utilization rate of pesticides and avoiding waste of pesticides. The pesticide spraying device can spray pesticides on tobacco leaves at different heights from both sides of the tobacco, and can adjust the angles of each nozzle 200, so as to have the same pesticide spraying effect on the upper and lower surfaces of the tobacco leaves.

[0037] The tobacco spraying device provided by the utility model has the following beneficial effects:

[0038] (1) When the outlet end of the nozzle 200 is inserted into the slot 3111, the nozzle 200 and the half ring 311 can be engaged to lock the position of the half ring 311, thereby preventing the half ring 311 from separating from the nozzle 200.

[0039] (2) The nozzle 200 can be selectively opened or closed according to the density of tobacco, thereby improving the utilization rate of pesticides and avoiding waste of pesticides;

[0040] (3) The pesticide spraying device can spray pesticides on tobacco leaves at different heights from both sides of the tobacco leaves, and can adjust the angles of each of the nozzles 200, so that the upper and lower surfaces of the tobacco leaves have the same pesticide spraying effect.

[0041] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A tobacco spraying device, characterized in that: include: A spraying pipeline, comprising a connecting pipe and two spraying pipes, wherein the connecting pipe is used to communicate with the outlet of the medicine barrel, the upper ends of the two spraying pipes are respectively connected with the two ends of the connecting pipe, and the spraying pipes are surrounded by the connecting pipe to form a spraying area, and the spraying pipes have a deformation state in which the curvature or length can be adjusted and a stable state in which the curvature or length can be maintained; A plurality of nozzles are arranged at intervals along the length direction of the two spray pipes, an inlet end of each nozzle is connected to the spray pipe, and an outlet end of each nozzle faces the spraying interval.

2. The tobacco spraying device according to claim 1, characterized in that: It also includes a plurality of opening and closing mechanisms, each of which is connected to each of the nozzles in a one-to-one correspondence, so that the outlet end of the nozzle is in an open or closed state.

3. The tobacco spraying device according to claim 2, characterized in that: The nozzle seal slides through the side wall of the spray pipe, and the opening and closing mechanism includes a blocking member and an elastic member. The blocking member is slidably arranged on the outer side wall of the spray pipe and is used to abut or separate from the outlet end of the nozzle. The two ends of the elastic member are respectively connected to the spray pipe and the nozzle, so that the outlet end of the nozzle is located outside the spray pipe.

4. The tobacco spraying device according to claim 3, characterized in that: The blocking member is a half ring, which is slidably sleeved on the spray pipe and can rotate relative to the spray pipe. The inner side surface of one end of the half ring is a slope structure, and a groove is provided on the inner side surface of one end of the half ring.

5. The tobacco spraying device according to claim 4, characterized in that: The card slot is located on the inclined surface.

6. The tobacco spraying device according to claim 4, characterized in that: The slot wall of the clamping slot is an arc-shaped structure, and the outlet end of the nozzle is an arc-shaped structure.

7. The tobacco spraying device according to claim 4, characterized in that: The opening and closing mechanism further comprises a rubber pad, and the rubber pad is arranged in the card slot.

8. The tobacco spraying device according to claim 4, characterized in that: The spray pipe also includes a plurality of mounting rings, each of which is fixedly sleeved on the two spray pipes at intervals along the length direction of the two spray pipes, a receiving groove is provided on the outer wall of the mounting ring, the outlet end of the spray head is located in the receiving groove, the inlet end of the spray head seals and slides through the spray pipe and extends into the spray pipe, and a guide groove of an annular structure is also provided on the outer wall of the mounting ring, and the half ring is slidably arranged in the guide groove.

9. The tobacco spraying device according to claim 8, characterized in that: The spray pipeline also includes a plurality of limiting rings and limiting balls. Each limiting ring is detachably fixed at the notch of the corresponding receiving groove. Each limiting ball is arranged in the corresponding receiving groove and fixedly mounted on the spray head. The diameter of the limiting ball is larger than the diameter of the center hole of the limiting ring.

10. The tobacco spraying device according to claim 9, characterized in that: The spray pipeline also includes a plurality of sliding plates, each of which is slidably disposed in the corresponding receiving groove and is located on the inner side of the limiting ball. The inlet end of the nozzle slides through the sliding plate. The elastic member is located on the inner side of the sliding plate and is sleeved on the nozzle. Both ends of the elastic member are fixedly connected to the spray pipe and the sliding plate respectively.

Citation Information

Patent Citations

  • Portable tobacco spraying machine

    CN216058925U