Backpack type sprayer
By designing a fixed slot and soft pad to support the arm in a backpack sprayer, and a protective pad to reduce shoulder pressure, the problem of arm soreness affecting work efficiency is solved, and the continuity and comfort of spraying crops are improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUHAN CAIDIAN DISTRICT JINFENG COMMUNE AGRI SERVICE CO LTD
- Filing Date
- 2025-05-23
- Publication Date
- 2026-05-01
AI Technical Summary
When spraying pesticides in orchards and vegetable fields, workers' arms become sore from maintaining the same posture for extended periods, affecting work efficiency and progress.
A backpack sprayer has been designed, which includes a support slot and padding to support the arm, a protective pad and a support layer to reduce shoulder pressure. The support slot and padding support the arm during long-term crop spraying, and the protective pad reduces the pressure of the shoulder strap on the shoulder, increasing comfort.
It effectively avoids arm pain, improves the work efficiency and comfort of staff, and reduces the frequency of spraying interruptions due to arm pain.
Smart Images
Figure CN224179003U_ABST
Abstract
Description
A backpack sprayer Technical Field
[0001] This utility model belongs to the technical field of sprayers, specifically relating to a backpack sprayer. Background Technology
[0002] When spraying pesticides in orchards and vegetable fields, the conventional practice is to add pesticide solution to a water tank, have workers carry the tank on their backs, and use a water pump to spray the water from the nozzles to kill the pests on the crops. However, when workers spray pesticides on crops at the same height for extended periods, their arms are held in the same position for long periods, which easily causes soreness. This forces workers to pause spraying frequently to relieve arm pain before continuing, severely impacting work efficiency and progress. Summary of the Invention
[0003] The purpose of this invention is to provide a backpack sprayer to solve the problem mentioned in the background art that prolonged arm maintenance in the same posture can cause soreness, requiring multiple stops to relieve arm pain before spraying pesticides on crops.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a backpack sprayer, characterized in that it includes a water pump box and a water tank installed on the upper end of the water pump box; a top cover is fixedly connected to the upper outer wall of the water tank, and a water inlet is threadedly connected to the center of the upper outer wall of the top cover near the left side; a water supply pipe a is fixedly connected to the center of the right outer wall of the water pump box, a handle is provided at the right end of the water supply pipe a, a control switch is provided on the upper circular outer wall of the handle near the right side, a water supply pipe b is fixedly connected to the center of the right outer wall of the handle, and a nozzle is sleeved on the right side of the water supply pipe b to the left; the water tank... The front outer wall of the top cover is fixedly connected to an adjustment end near both the left and right sides. The center of the front outer wall of the top cover is fixedly connected to a fixed end near both the left and right sides. A shoulder strap is provided between the adjustment end and the fixed end. A trapezoidal frame is provided on the lower side of the right outer wall of the water tank. A rotating shaft is rotatably connected inside the trapezoidal frame. A sliding sleeve is drivenly connected at the center of the circular outer wall of the rotating shaft. A sliding rod is provided at the center of the front outer wall of the sliding sleeve. A fixing groove for supporting the staff's arm is fixedly connected to the upper outer wall of the sliding rod. A soft pad is fixedly connected inside the upper circular outer wall of the fixing groove.
[0005] Preferably, the upper outer wall of the sliding sleeve is provided with a plurality of adjusting holes with upper and lower openings at equal intervals inside, and the upper outer wall of the sliding rod is provided with a buckle that extends upward through the adjusting holes at the center.
[0006] Preferably, a baffle is fixedly connected to the lowest side of the front outer wall of the trapezoidal frame, and the front outer wall of the trapezoidal frame is inclined forward.
[0007] Preferably, a protective pad is fixedly connected to the outer wall of the rear end of the shoulder strap near the upper side, and the inner walls of both the upper and lower ends of the protective pad are provided with sweat-absorbing layers.
[0008] Preferably, the inner walls at both ends of the sweat-absorbing layer are provided with breathable layers, and a fixing layer is fixedly connected between the inner walls at both ends of the breathable layer.
[0009] Preferably, the protective pad has multiple breathable mesh holes inside, and the fixing layer is made of memory foam material.
[0010] Preferably, a base plate is provided on the lower side of the trapezoidal frame, and a fixed shaft is provided between the trapezoidal frame and the base plate.
[0011] Preferably, a handle is fixedly connected to the center of the upper outer wall of the top cover, and a suction pump connected to the water supply pipe a is installed inside the water pump box.
[0012] Preferably, the front outer wall of the water pump box is provided with a plurality of heat dissipation holes that run through the front and rear, and the front circular outer wall of the handle is embedded with a water pressure gauge near the left side.
[0013] Compared with the prior art, the present invention provides a backpack sprayer with the following advantages:
[0014] 1. By installing a fixed slot and a soft pad, when workers are spraying crops at the same height for a long time, they can rest their arms on the soft pad on the fixed slot for a close fit. This can prevent the workers' arms from being suspended in the air for a long time, thus avoiding the need for workers to stop spraying multiple times to relieve arm pain before they can continue working.
[0015] 2. By installing protective pads and fixing layers, when the amount of insecticide loaded in the water tank is large, the protective pads and thicker fixing layers can reduce the pressure of the straps on the shoulders of the staff, so that the straps will not directly contact the staff's shoulders, increasing the staff's comfort when carrying heavy water tanks. Attached Figure Description
[0016] Figure 1 is a schematic diagram of a backpack sprayer according to the present invention.
[0017] Figure 2 is a partial rear view structural diagram of a backpack sprayer of this utility model.
[0018] Figure 3 is a partial structural diagram of the trapezoidal frame region of this utility model.
[0019] Figure 4 is a partial structural schematic diagram of the protective pad of this utility model from a side view.
[0020] Figure 5 is a partial structural schematic diagram of the trapezoidal frame area side view of this utility model.
[0021] In the diagram: 1. Pump box; 2. Water tank; 3. Top cover; 4. Water inlet; 5. Handle; 6. Trapezoidal frame; 7. Water pipe a; 8. Grip; 9. Control switch; 10. Water pipe b; 11. Nozzle; 12. Heat dissipation hole; 13. Water pressure gauge; 14. Adjustment end; 15. Shoulder strap; 16. Fixing end; 17. Protective pad; 18. Rotating shaft; 19. Buckle; 20. Adjustment hole; 21. Soft pad; 22. Fixing groove; 23. Sliding rod; 24. Sliding sleeve; 25. Baffle; 26. Sweat-absorbing layer; 27. Breathable layer; 28. Fixing layer; 29. Fixing shaft; 30. Base plate. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] This utility model provides a backpack sprayer as shown in Figures 1-4, including a water pump box 1 and a water tank 2 installed on the upper end of the water pump box 1.
[0024] A top cover 3 is fixedly connected to the upper outer wall of water tank 2;
[0025] The top cover 3 has a water inlet 4 near the left side of the center of the outer wall of the top cover 3, where insecticide was previously added to the water tank 2;
[0026] A water supply pipe a7 is fixedly connected to the center of the outer wall of the right end of the water pump box 1. A handle 8 is provided at the right end of the water supply pipe a7. A control switch 9 is provided on the upper circular outer wall of the handle 8 near the right side to control the flow of liquid in the water supply pipe a7. A water supply pipe b10 is fixedly connected to the center of the outer wall of the right end of the handle 8 to transmit the liquid transported in the water supply pipe a7. A nozzle 11 is sleeved from the right side of the water supply pipe b10 to the left to spray the liquid in the water supply pipe b10 in a mist. Adjustment ends 14 are fixedly connected to the outer wall of the front end of the water tank 2 near the left and right sides respectively. Top cover 3 Fixed ends 16 are fixedly connected at the center of the front outer wall and near the left and right sides respectively. A shoulder strap 15 is provided between the adjustment end 14 and the fixed end 16. First, unscrew the water inlet 4 and pour the prepared insecticide solution into the water tank 2 through the water inlet 4 for storage. Then, adjust the shoulder strap 15 to a suitable length through the adjustment end 14, carry the water tank 2 on your back, and hold the handle 8 to aim the nozzle 11 at the crop to be sprayed. Then press the control switch 9, and the water pump box 1 will guide the pesticide in the water tank 2 and spray it out from the nozzle 11 to carry out the insecticide operation.
[0027] A trapezoidal frame 6 is provided on the lower side of the right outer wall of the water tank 2. A rotating shaft 18 is rotatably connected inside the trapezoidal frame 6. A sliding sleeve 24 is connected to the center of the circular outer wall of the rotating shaft 18. A sliding rod 23 is inserted backward at the center of the front outer wall of the sliding sleeve 24. A fixing groove 22 is fixedly connected to the upper outer wall of the sliding rod 23 to support the operator's arm. A soft pad 21 is fixedly connected to the inner side of the upper circular outer wall of the fixing groove 22. When the operator sprays crops at the same height for a long time, the arm can be supported by the soft pad 21 on the fixing groove 22, so that the arm is effectively supported. When not in use, it can be rotated upward by the rotating shaft 18 so that the sliding sleeve 24 and the trapezoidal frame 6 abut against each other.
[0028] As shown in Figure 3, multiple adjustment holes 20 with upper and lower openings are equidistantly arranged inside the center of the upper outer wall of the sliding sleeve 24. A buckle 19 is provided at the center of the upper outer wall of the sliding rod 23, which passes through the adjustment hole 20. By pressing the buckle 19, the sliding rod 23 can be moved back and forth in the sliding sleeve 24 to a suitable position and then stopped. The buckle 19 will then pass through the nearest adjustment hole 20 to fix it, so that the position of the fixing groove 22 can be adapted to the different arm lifting positions required by the staff.
[0029] As shown in Figure 3, a baffle 25 is fixedly connected to the lowest side of the front outer wall of the trapezoidal frame 6, which can support the sliding sleeve 24 and prevent the sliding sleeve 24 from falling downward. The front outer wall of the trapezoidal frame 6 is inclined forward. When the sliding sleeve 24 and the trapezoidal frame 6 come into contact, the inclined trapezoidal frame 6 can support the sliding sleeve 24 and prevent the sliding sleeve 24 from tipping over in a vertical state.
[0030] As shown in Figures 2 and 4, a protective pad 17 is fixedly connected to the upper side of the outer wall of the rear end of the shoulder strap 15. The inner walls of both the upper and lower ends of the protective pad 17 are provided with sweat-absorbing layers 26 to absorb sweat. The inner walls of both the upper and lower ends of the sweat-absorbing layers 26 are provided with breathable layers 27 to allow the sweat absorbed by the sweat-absorbing layers 26 to be breathable and dried. A fixing layer 28 is fixedly connected between the inner walls of the upper and lower ends of the breathable layers 27. When the staff carries the water tank 2 on their back through the shoulder strap 15, the protective pad 17 will provide support at the shoulder of the staff and the shoulder strap 15, reducing the pressure of the shoulder strap 15 on the shoulder. The sweat that is squeezed and trapped will be absorbed through the sweat-absorbing layers 26 and dried through the breathable layers 27, increasing the comfort of the staff.
[0031] As shown in Figure 4, the protective pad 17 has multiple breathable mesh holes inside, which allows sweat to be absorbed more quickly by the sweat-absorbing layer 26. The fixing layer 28 is made of memory foam material. After the shoulder strap 15 is deformed by the weight of the water tank 2, it can slowly return to its original shape when not in use, avoiding the situation where the fixing layer 28 cannot be restored after deformation, which would reduce comfort.
[0032] As shown in Figure 5, a base plate 30 is provided on the lower side of the trapezoidal frame 6. A fixed shaft 29 is provided between the trapezoidal frame 6 and the base plate 30 to accommodate the left and right swaying of the arm during spraying. When the operator places his arm in the fixed groove 22 to perform the spraying operation, his arm can move left and right, and the angle can be adjusted left and right according to the operator's arm under the restriction and guidance of the fixed shaft 29.
[0033] As shown in Figure 1, a handle 5 is fixedly connected to the center of the upper outer wall of the top cover 3, which can be used to move the water tank 2. The water pump box 1 is equipped with a suction pump connected to the water supply pipe a7. The suction pump transfers the water in the water tank 2 to the water supply pipe a7 for transportation. The front outer wall of the water pump box 1 is provided with multiple heat dissipation holes 12 that run through the front and back to dissipate heat for the suction pump in the water pump box 1. A water pressure gauge 13 is embedded in the circular outer wall of the front end of the handle 8 near the left side. The working status of the water pump box 1 and the remaining amount of liquid in the water tank 2 can be observed through the water pressure gauge 13.
[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A backpack sprayer, characterized in that, The system includes a water pump box and a water tank installed on top of the water pump box. A top cover is fixedly connected to the upper outer wall of the water tank, and a water inlet is threadedly connected to the center of the upper outer wall of the top cover near the left side. A water supply pipe a is fixedly connected to the center of the right outer wall of the water pump box. A handle is provided at the right end of water supply pipe a, and a control switch is provided on the upper circular outer wall of the handle near the right side. A water supply pipe b is fixedly connected to the center of the right outer wall of the handle, and a nozzle is sleeved from the right side of water supply pipe b to the left. The front outer wall of the water tank is fixedly connected to... The top cover has an adjustment end, and a fixed end is fixedly connected to the center of the front outer wall and near the left and right sides respectively. A shoulder strap is provided between the adjustment end and the fixed end. A trapezoidal frame is provided on the right outer wall of the water tank near the lower side. A rotating shaft is rotatably connected inside the trapezoidal frame. A sliding sleeve is drivenly connected to the center of the circular outer wall of the rotating shaft. A sliding rod is provided at the center of the front outer wall of the sliding sleeve and inserted backward. A fixing groove for supporting the staff's arm is fixedly connected to the upper outer wall of the sliding rod. A soft pad is fixedly connected to the inner circular outer wall of the upper end of the fixing groove.
2. The backpack sprayer according to claim 1, characterized in that, The upper outer wall of the sliding sleeve has multiple adjusting holes with upper and lower openings at equal intervals inside, and the upper outer wall of the sliding rod has a buckle that extends upward through the adjusting holes at the center.
3. The backpack sprayer according to claim 1, characterized in that, A baffle is fixedly connected to the lowest side of the front outer wall of the trapezoidal frame, and the front outer wall of the trapezoidal frame is inclined forward.
4. The backpack sprayer according to claim 1, characterized in that, The outer wall of the rear end of the shoulder strap is fixedly connected to a protective pad near the upper side, and the inner walls of both the upper and lower ends of the protective pad are provided with sweat-absorbing layers.
5. The backpack sprayer according to claim 4, characterized in that, The upper and lower inner walls of the sweat-absorbing layer are provided with breathable layers, and a fixing layer is fixedly connected between the upper and lower inner walls of the breathable layer.
6. The backpack sprayer according to claim 5, characterized in that, The protective pad has multiple breathable mesh holes inside, and the fixing layer is made of memory foam material.
7. The backpack sprayer according to claim 1, characterized in that, A base plate is provided on the lower side of the trapezoidal frame, and a fixed shaft is provided between the trapezoidal frame and the base plate.
8. The backpack sprayer according to claim 1, characterized in that, A handle is fixedly connected to the center of the upper outer wall of the top cover, and a suction water pump connected to the water supply pipe a is installed inside the water pump box.
9. The backpack sprayer according to claim 8, characterized in that, The front outer wall of the water pump box is provided with multiple heat dissipation holes that run through the front and back at equal intervals, and a water pressure gauge is embedded in the front circular outer wall of the handle near the left side.