CN219396027U - Spraying structure, pesticide atomizer and pesticide spraying car - Google Patents

Abstract

The embodiment of the utility model discloses a spraying structure, a pesticide spraying device and a pesticide spraying vehicle, wherein the spraying structure comprises a valve seat, a nozzle and an electromagnetic valve, the valve seat is provided with a liquid pipeline, a first inlet, a first outlet and a driving port, the first inlet, the first outlet and the driving port are communicated with the liquid pipeline, the driving port is arranged between the first inlet and the first outlet, the electromagnetic valve comprises a valve body and a diaphragm, the electromagnetic valve is arranged on the valve seat, the diaphragm seals the driving port, a sliding rod of the valve body can be abutted against the diaphragm so as to extend into the liquid pipeline through the driving port, the nozzle is arranged on the valve seat, the first outlet is communicated with an inner cavity of the nozzle, the diaphragm can protect the sliding rod, corrosive liquid in the liquid pipeline can be prevented from flowing into the electromagnetic valve, and the electromagnetic valve is further prevented from being corroded.

Description

Spraying structure, pesticide atomizer and pesticide spraying car

Technical Field

The utility model relates to the technical field of agricultural equipment, in particular to a spraying structure, a pesticide spraying device and a pesticide spraying vehicle.

Background

The application modes of the pesticide liquid comprise a spraying method, a wiping application method, a screening application method, an aircraft application method and the like, wherein the spraying method needs to use an agricultural sprayer, the agricultural sprayer can be roughly divided into three types of manual operation, electric operation and motor operation according to the power form, the electric agricultural sprayer has high efficiency, low labor intensity and convenient use, but the existing electric agricultural sprayer has insufficient protection on main components such as an electromagnetic valve and the like, so that the electric agricultural sprayer is easy to be corroded by pesticides.

Disclosure of Invention

The utility model aims to provide a spraying structure, a pesticide spraying device and a pesticide spraying vehicle, and aims to solve the problem that the existing electric agricultural sprayer is easy to corrode by pesticides due to insufficient protection of main components such as an electromagnetic valve and the like.

In a first aspect, embodiments of the present utility model provide a spray structure comprising: the valve seat is provided with a liquid pipeline, a first inlet, a first outlet and a driving port, wherein the first inlet, the first outlet and the driving port are communicated with the liquid pipeline, the driving port is arranged between the first inlet and the first outlet, the electromagnetic valve comprises a valve body and a diaphragm, the electromagnetic valve is installed on the valve seat, the diaphragm is closed to the driving port, a sliding rod of the valve body can be abutted to the diaphragm, the driving port extends into the liquid pipeline, the nozzle is installed on the valve seat, and the first outlet is communicated with an inner cavity of the nozzle.

In one embodiment, the outer wall of the valve body is coated with a protective layer.

In one embodiment, the protective layer is a structural member made of plastic; and/or

The spray structure further comprises a bolt, the protective layer is provided with a mounting through hole, the valve seat is provided with a screw hole, and the bolt penetrates through the mounting through hole and is in threaded connection with the wall of the screw hole.

In one embodiment, the diaphragm is a structural member made of rubber.

In one embodiment, the valve body further comprises an inner frame, an iron core, a magnetic induction coil and an elastic piece, wherein the magnetic induction coil is sleeved on the outer peripheral wall of the inner frame and can be electrically connected with an external circuit, the inner frame is provided with a tubular channel, a first detection outlet communicated with the tubular channel, the iron core and the sliding rod are arranged in the tubular channel at intervals along the axial direction of the tubular channel, the elastic piece is elastically connected with the iron core and the sliding rod, and the sliding rod can extend out from the first detection outlet and is propped against the diaphragm.

In one embodiment, the nozzle is provided with the inner cavity, and a second inlet and a second outlet which are communicated with the inner cavity, and the diameter size of the inner cavity is gradually reduced from the second inlet to the second outlet.

In one embodiment, the nozzle is provided with a first stop block and a second stop block, the first stop block and the second stop block are oppositely arranged on two sides of the second outlet, a liquid spraying slit is formed between the first stop block and the second stop block, the liquid spraying slit is communicated with the second outlet, and the first stop block and the second stop block are both used for shielding at least part of the second outlet.

In a second aspect, the present utility model also provides a pesticide spraying device comprising a pesticide tank and the spraying structure of any of the embodiments described above, the first inlet being in communication with the pesticide tank.

In a third aspect, the present utility model also provides a pesticide spraying vehicle comprising the pesticide spraying device of any one of the embodiments described above.

In one embodiment, the pesticide spraying vehicle further includes a vehicle body, a frame body and a vision control system, the spraying structures are provided with a plurality of spraying structures, the frame body is mounted on the vehicle body, the spraying structures are mounted on the frame body and are arranged at intervals along a first direction, the pesticide tank is mounted on the vehicle body, the first inlets of the spraying structures are communicated with the pesticide tank, and the vision control system can control on-off of the valve bodies and an external circuit in the spraying structures

The embodiment of the utility model has the following beneficial effects:

the valve seat is provided with a liquid pipeline, a first inlet, a first outlet and a driving port, wherein the first inlet, the first outlet and the driving port are communicated with the liquid pipeline, the driving port is arranged between the first inlet and the first outlet, the electromagnetic valve comprises a valve body and a diaphragm, the electromagnetic valve is arranged on the valve seat, the diaphragm seals the driving port, a sliding rod of the valve body can be abutted against the diaphragm so as to extend into the liquid pipeline through the driving port, the nozzle is arranged on the valve seat, the first outlet is communicated with an inner cavity of the nozzle, the diaphragm can protect the sliding rod, corrosive liquid in the liquid pipeline can be prevented from flowing into the electromagnetic valve, and the electromagnetic valve is prevented from being corroded.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein:

FIG. 1 is a schematic illustration of a spray pattern in one embodiment.

Fig. 2 is a front view of the spray structure of fig. 1.

Fig. 3 is a cross-sectional view of the spray structure shown in fig. 2.

Fig. 4 is an exploded view of the solenoid valve in the spray configuration of fig. 1.

Fig. 5 is a schematic view of a nozzle in the spray configuration of fig. 1.

Reference numerals:

100. a valve seat; 110. a liquid line; 111. a first pipeline; 112. a second pipeline; 120. a first inlet; 200. an electromagnetic valve; 210. a diaphragm sheet; 220. a protective layer; 221. mounting through holes; 230. a slide bar; 231. a mounting groove; 240. an iron core; 241. a mounting part; 250. an elastic member; 260. an inner frame; 261. a second probe outlet; 270. a magnetic induction coil; 280. an outer frame; 281. a slip preventing protrusion; 282. a hollow structure; 283. a plug-in groove; 290. a plug; 300. a nozzle; 310. an inner cavity; 320. a first stopper; 330. a second stopper; 340. a liquid spraying slit; 400. a bolt; 500. a sealing gasket; 510. and a connecting pipeline.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 to 3, the spray structure of an embodiment includes a valve seat 100, a nozzle 300 and a solenoid valve 200, the valve seat 100 is provided with a liquid pipeline 110, and a first inlet 120, a first outlet and a driving port which are communicated with the liquid pipeline 110, the driving port is disposed between the first inlet 120 and the first outlet, the solenoid valve 200 includes a valve body and a diaphragm 210, the solenoid valve 200 is mounted on the valve seat 100, the diaphragm 210 seals the driving port, a sliding rod 230 of the valve body can abut against the diaphragm 210 to extend into the liquid pipeline 110 through the driving port, the nozzle 300 is mounted on the valve seat 100, and the first outlet is communicated with an inner cavity 310 of the nozzle 300.

In this embodiment, the first inlet 120 can be in communication with a supply of liquid, specifically, a pesticide tank. The diaphragm 210 is sleeved on the valve body, the electromagnetic valve 200 is mounted on the valve seat 100, and the diaphragm 210 is pressed between the valve body and the valve seat 100, so that the diaphragm 210 can close the driving opening, pesticide or other liquid in the liquid pipeline 110 is prevented from flowing into the valve body, and the spray structure is prevented from being corroded to fail. Solenoid valve 200 also includes a plug 290 through which the valve body can be electrically connected to an external circuit.

In a specific operation, the valve body is electrically connected to an external circuit, and the external circuit can control the length of the slide rod 230 extending into the liquid pipeline 110, so as to control the on-off of the liquid pipeline 110. When the liquid lines 110 are in communication, pesticide or other liquid is ejected from the nozzles 300 and forms a spray.

In one embodiment, referring to fig. 1 to 3, the outer wall of the valve body is covered with a protection layer 220. In this embodiment, the protective layer 220 prevents pesticides or other liquids from flowing into the valve body, and prevents the spray structure from being corroded and failing. The protective layer 220 has an opening formed therein, and the slide bar 230 extends from the opening.

In one embodiment, referring to fig. 1 and 2, the protection layer 220 is a structural member made of plastic. In this embodiment, the protection layer 220 can be coated on the outer wall of the valve body through an over-molding process. The plastic has stable chemical property, is not easy to corrode, and has shock resistance and better protection valve body.

In an embodiment, referring to fig. 1 to 3, the spraying structure further includes a bolt 400, the protection layer 220 is provided with a mounting through hole 221, the valve seat 100 is provided with a screw hole, and the bolt 400 penetrates through the mounting through hole 221 and is in threaded connection with a hole wall of the screw hole. In this embodiment, the bolt 400 penetrates through the mounting through hole 221 and is in threaded connection with the hole wall of the screw hole, so as to mount the electromagnetic valve 200 on the valve seat 100, and compress the diaphragm 210 between the valve body and the valve seat 100, so that the diaphragm 210 can close the driving opening, and prevent pesticide or other liquid in the liquid pipeline 110 from flowing into the valve body, and avoid the failure of the spraying structure due to corrosion.

In one embodiment, referring to fig. 1-3, the diaphragm 210 is a structural member made of rubber. In this embodiment, the diaphragm 210 is sleeved on the valve body and wraps the sliding rod 230. The rubber is not easy to corrode and has elasticity. The diaphragm 210 is pressed between the valve body and the valve seat 100, and elastically abuts against the valve body and the valve seat 100, respectively, so that the driving port can be relatively tightly closed, and the elastic deformation can be performed along with the movement of the slide rod 230. Further, the diaphragm 210 made of rubber is convenient to be disassembled and replaced.

In an embodiment, referring to fig. 1 to 4, the valve body further includes an inner frame 260, an iron core 240, a magnetic induction coil 270, and an elastic member 250, wherein the magnetic induction coil 270 is sleeved on the outer peripheral wall of the inner frame 260 and can be electrically connected with an external circuit, the inner frame 260 is provided with a tubular channel, and a first detecting outlet communicated with the tubular channel, the iron core 240 and the sliding rod 230 are arranged in the tubular channel at intervals along the axial direction of the tubular channel, the elastic member 250 is elastically connected with the iron core 240 and the sliding rod 230, and the sliding rod 230 can extend from the first detecting outlet and is propped against the diaphragm 210.

In this embodiment, the magnetic induction coil 270 is electrically connected to an external circuit. The elastic member 250 is a spring. The slide bar 230 is a structural member made of magnetic material, and in particular, the slide bar 230 is a structural member made of iron. The slide bar 230 is provided therein with a mounting groove 231, the mounting groove 231 extends along the axial direction of the tubular passage, and the elastic member 250 is disposed in the mounting groove 231. The core 240 is fixedly mounted in the tubular passage.

In particular operation, when the magnetic induction coil 270 is in communication with an external circuit, the slide bar 230 and the core 240 acquire magnetism and attract each other, the slide bar 230 approaches the core 240 and compresses the elastic member 250. When the magnetic induction coil 270 is disconnected from the external circuit, the slide bar 230 and the iron core 240 lose magnetism, and the elastic member 250 drives the slide bar 230 away from the iron core 240.

Further, the valve body further includes an outer frame 280, the inner frame 260 is mounted on the outer frame 280, and the outer frame 280 is formed with a non-slip protrusion 281 and provided with a hollow structure 282 to firmly wrap the protection layer 220 on the valve body. The inner frame 260 is provided with a second detecting outlet 261 communicated with the tubular passage, the outer frame 280 is also provided with a splicing groove 283 opposite to the second detecting outlet 261, the iron core 240 is provided with a mounting part 241, the mounting part 241 extends out of the second detecting outlet 261 and is inserted into the splicing groove 283, and the mounting part 241 is in interference fit with the groove wall of the splicing groove 283 so as to fixedly mount the iron core 240 in the tubular passage.

In one embodiment, referring to fig. 3, the nozzle 300 is provided with an inner cavity 310, and a second inlet and a second outlet which are communicated with the inner cavity 310, wherein the diameter of the inner cavity 310 gradually decreases from the second inlet to the second outlet.

In this embodiment, the diameter of the inner chamber 310 gradually decreases from the second inlet to the second outlet to enable acceleration of the pesticide or other liquid ejected from the nozzle 300. The nozzle 300 is detachably connected to the valve seat 100 for easy replacement. The spray pattern further includes a gasket 500, and the nozzle 300 is mounted to the valve seat 100, and compresses the gasket 500 between the nozzle 300 and the valve seat 100. The sealing gasket 500 is provided with a connecting pipeline 510, and the connecting pipeline 510 is communicated with the second inlet and the first outlet. The gasket 500 is a structural member made of rubber, and the gasket 500 can elastically abut against the nozzle 300 and the valve seat 100, respectively, to enhance the sealing effect.

Further, the liquid pipeline 110 includes a first pipeline 111 and a second pipeline 112, the first inlet 120 is communicated with the first pipeline 111, the first outlet is communicated with the second pipeline 112, a valve port is further formed in the valve seat 100, the valve port is communicated with the first pipeline 111 and the second pipeline 112, and the slide bar 230 can extend into the liquid pipeline 110 and close the valve port to control on-off of the liquid pipeline 110. When the magnetic induction coil 270 is disconnected from the external circuit, the slide bar 230 closes the valve port, and the liquid pipeline 110 is disconnected. When the magnetic coil 270 is in communication with an external circuit, the slide bar 230 is away from the valve port and the fluid line 110 is in communication. The diameter of the second conduit 112 increases gradually from the valve port to the first outlet.

In an embodiment, referring to fig. 5, a first stopper 320 and a second stopper 330 are disposed on the nozzle 300, the first stopper 320 and the second stopper 330 are disposed on two sides of the second outlet, a liquid spraying slit 340 is formed between the first stopper 320 and the second stopper 330, the liquid spraying slit 340 is communicated with the second outlet, and the first stopper 320 and the second stopper 330 both block at least part of the second outlet.

In an embodiment, the pesticide or other liquid is sprayed from the second outlet, hits the first stopper 320 and the second stopper 330, forms fine water droplets, and passes through the spray slit 340 to form a linear spray.

Referring to fig. 1 to 3, the present utility model also provides a pesticide spraying device, which includes: the pesticide tank and spray structure of any of the embodiments described above, the first inlet 120 is in communication with the pesticide tank. In this embodiment, the first inlet 120 is disposed vertically upward and communicates with the pesticide tank. The diaphragm 210 can close the driving port and prevent pesticide in the liquid pipeline 110 from flowing into the valve body, so as to avoid failure of the spraying structure due to corrosion.

Referring to fig. 1, the utility model further provides a pesticide spraying vehicle, which comprises the pesticide spraying device of any embodiment.

In an embodiment, referring to fig. 1, the pesticide spraying vehicle further includes a vehicle body, a frame body and a vision control system, the spraying structure is provided with a plurality of spraying structures, the frame body is mounted on the vehicle body, the spraying structures are mounted on the frame body and are arranged at intervals along the first direction, the pesticide tank is mounted on the vehicle body, the first inlets 120 of the spraying structures are communicated with the pesticide tank, and the vision control system can control on-off of the valve bodies and the external circuit in the spraying structures.

In this embodiment, the plurality of spray structures are arranged at intervals along a first direction, and the vehicle body travels along a second direction perpendicular to the first direction so as to be able to spray pesticides on plants distributed in an array. When the vision control system detects plants, the valve body is communicated with an external circuit, and when the vision control system cannot detect plants, the valve body is disconnected with the external circuit. Furthermore, the working frequency of the spraying device can reach more than 50Hz, and when the visual control system passes through the spacing of plants and cannot detect the plants, the spraying device can be closed in time so as to reduce the waste of pesticides.

The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims (10)

1. A spray structure comprising: the valve seat is provided with a liquid pipeline, a first inlet, a first outlet and a driving port, wherein the first inlet, the first outlet and the driving port are communicated with the liquid pipeline, the driving port is arranged between the first inlet and the first outlet, the electromagnetic valve comprises a valve body and a diaphragm, the electromagnetic valve is installed on the valve seat, the diaphragm is closed to the driving port, a sliding rod of the valve body can be abutted to the diaphragm, the driving port extends into the liquid pipeline, the nozzle is installed on the valve seat, and the first outlet is communicated with an inner cavity of the nozzle.

2. The spray structure of claim 1, wherein the outer wall of the valve body is coated with a protective layer.

3. The spray structure of claim 2, wherein the protective layer is a structural member made of plastic; and/or

The spray structure further comprises a bolt, the protective layer is provided with a mounting through hole, the valve seat is provided with a screw hole, and the bolt penetrates through the mounting through hole and is in threaded connection with the wall of the screw hole.

4. The spray structure of claim 1, wherein the diaphragm is a structural member made of rubber.

5. The spray structure of claim 1, wherein the valve body further comprises an inner frame, an iron core, a magnetic induction coil and an elastic member, the magnetic induction coil is sleeved on the outer circumferential wall of the inner frame and can be electrically connected with an external circuit, the inner frame is provided with a tubular channel, a first detection outlet communicated with the tubular channel, the iron core and the sliding rod are arranged in the tubular channel at intervals along the axial direction of the tubular channel, the elastic member is elastically connected with the iron core and the sliding rod, and the sliding rod can extend out from the first detection outlet and is propped against the diaphragm.

6. The spray structure of claim 1, wherein the nozzle defines the interior cavity, and a second inlet and a second outlet in communication with the interior cavity, the interior cavity having a diameter that decreases in size from the second inlet to the second outlet.

7. The spray structure of claim 6, wherein the nozzle is provided with a first stop and a second stop, the first stop and the second stop are disposed on two sides of the second outlet relatively, a liquid spraying slit is formed between the first stop and the second stop, the liquid spraying slit is communicated with the second outlet, and the first stop and the second stop both block at least part of the second outlet.

8. A pesticide spraying device, comprising: a pesticide tank and the spray structure of any one of claims 1 to 7, the first inlet being in communication with the pesticide tank.

9. A pesticide spraying vehicle comprising the pesticide spraying device of claim 8.

10. A pesticide spraying vehicle as claimed in claim 9, in which the pesticide spraying vehicle further comprises a vehicle body, a frame and a vision control system, the spraying structure is provided in plurality, the frame is mounted on the vehicle body, the spraying structures are mounted on the frame and are arranged at intervals along a first direction, the pesticide tank is mounted on the vehicle body, the first inlet of each spraying structure is communicated with the pesticide tank, and the vision control system can control on-off of each valve body in each spraying structure and an external circuit.