CN210681165U - Connecting device, sprinkling system and agricultural unmanned aerial vehicle - Google Patents

Abstract

The utility model discloses a connecting device, a spraying system and an agricultural unmanned aerial vehicle, wherein the connecting device comprises a water tank plugging port and an installation support, the water tank plugging port is communicated with a liquid supply tank, the water tank plugging port comprises a liquid inlet end and a liquid outlet end, and the liquid inlet end is detachably connected with the liquid supply tank; the mounting bracket is communicated with the pump body assembly and the water tank plugging port and comprises an inlet end and an outlet end, and the inlet end is connected with the liquid outlet end; the outlet end is detachably connected with the pump body assembly; the inlet end and/or the liquid outlet end are/is also provided with a filtering structure which is used for filtering solid impurities entering the mounting bracket from the water tank plugging port. This connecting device can reduce or avoid solid impurity to get into pump body subassembly and make pump body subassembly block up, has guaranteed sprinkler system's normal operation, promotes user experience.

Description

Connecting device, sprinkling system and agricultural unmanned aerial vehicle

Technical Field

The utility model relates to a sprinkling system technical field especially relates to a connecting device, sprinkling system and agricultural unmanned aerial vehicle.

Background

In order to improve the spraying efficiency of the spraying system with the plant protection unmanned aerial vehicle and the like and arranged on the plant protection unmanned aerial vehicle, the improvement of the dressing change efficiency is one of effective methods, and the pluggable water tank is widely used on the movable equipment with the plant protection unmanned aerial vehicle. Plant protection unmanned aerial vehicle with plug-in water tank is changing liquid medicine or liquid medicine when finishing using, only need will follow the water tank that this plant protection unmanned aerial vehicle pulled down and remove to suitable place carry on the liquid feeding can, need not to remove plant protection unmanned aerial vehicle and water tank simultaneously to predetermineeing the liquid feeding place to the efficiency of changing dressings and spray is improved.

However, plant protection unmanned aerial vehicle generally goes on in the field when plant protection operation, and the outer wall of water tank and callus on the sole can be stained with solid impurity such as dust, earth and grit inevitably. In the process of plugging and unplugging the water tank, the solid impurities possibly enter the spraying system from the open water tank plugging and unplugging port, so that the spraying system is blocked, for example, a nozzle is blocked, a pipeline joint is blocked or a pipeline is blocked, the normal operation of spraying operation is influenced, and the user experience is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a connecting device, sprinkler system and agricultural unmanned aerial vehicle aims at reducing or avoiding solid impurity to get into pump body subassembly and make pump body subassembly block up, has guaranteed sprinkler system's normal operation, promotes user experience.

According to the utility model discloses an aspect, the utility model provides a connecting device for the sprinkler system of mobile device, sprinkler system include the liquid feed case and install in pump body subassembly on the liquid feed case, connecting device includes:

the water tank plugging port is communicated with the liquid supply tank and comprises a liquid inlet end and a liquid outlet end, and the liquid inlet end is detachably connected with the liquid supply tank;

the mounting bracket is communicated with the pump body assembly and the water tank plugging port and comprises an inlet end and an outlet end, and the inlet end is connected with the liquid outlet end;

the outlet end is detachably connected with the pump body assembly; the inlet end and/or the liquid outlet end are/is also provided with a filtering structure, and the filtering structure is used for filtering solid impurities entering the mounting bracket from the water tank plugging port.

According to the utility model discloses a second aspect, the utility model provides a sprinkling system, include:

a liquid supply tank;

a connecting device;

and the pump body assembly is arranged on the liquid supply tank and is communicated with the liquid supply tank through the connecting device.

According to the utility model discloses a third aspect, the utility model provides an agricultural unmanned aerial vehicle, include:

a movable platform;

a sprinkler system mounted on the movable platform.

The embodiment of the utility model provides a connecting device, sprinkler system and agricultural unmanned aerial vehicle are equipped with filtration on this connecting device, and this filtration can filter the solid impurity who flows into the installing support from water tank plug mouth. At the confession liquid case plug in-process, this filtration can effectively reduce or avoid solid impurity to get into the installing support from the income liquid end of water tank plug mouth, and then reduces or avoids solid impurity to get into pump body subassembly and make pump body subassembly block up, has guaranteed sprinkler system's normal operation, promotes user experience.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic structural view of an agricultural unmanned aerial vehicle according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a sprinkler system according to an embodiment of the present invention;

FIG. 3 is an enlarged partial schematic view of the sprinkler system of FIG. 2 at A;

fig. 4 is a schematic diagram of a right-side top view of a spraying system according to an embodiment of the present invention;

fig. 5 is a schematic view of a combination of a connecting device and a pump body assembly according to an embodiment of the present invention;

fig. 6 is a schematic view of a combination of a connection device and a flow meter according to an embodiment of the present invention;

fig. 7 is an exploded view of a connection device according to an embodiment of the present invention;

FIG. 8 is a schematic view of the insertion and extraction port of the water tank of FIG. 7;

fig. 9 is a schematic view of the mounting bracket of fig. 7.

Description of reference numerals:

10. a spraying system;

100. a connecting device;

110. a water tank plugging port; 111. a liquid inlet end; 112. a liquid outlet end; 1121. a threaded portion; 1122. a protruding part; 1123. a support portion; 11231. a first support bar; 11232. a second supporting strip; 11233. a support ring;

120. mounting a bracket; 121. an inlet end; 1211. a connecting portion; 1212. a liquid guide part; 1213. a transition section; 122. an outlet end; 123. a mounting member; 1231. an extension portion; 1232. installing a body; 12321. an installation part; 1233. a first positioning portion;

130. a filter structure; 140. a seal member;

200. a pump body assembly; 210. a pump body; 220. a pipeline; 230. a flow meter; 240. a spray head; 300. a liquid supply tank; 400. assembling the frame; 410. an assembling portion; 420. a second positioning portion;

20. a movable platform.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

A spray system typically includes a pump body assembly, a plug port, and a plug-in supply tank. One end of the plugging port is connected with the liquid supply tank, and the other end of the plugging port is connected with the pump body assembly, so that the pump body assembly and the liquid supply tank are communicated.

The inventor of the utility model discovers through careful study that the occasions such as liquid need be changed or the liquid is used up to the liquid in the liquid supply tank, need take off the liquid supply tank from the plug mouth to the liquid supply tank cartridge that will be equipped with predetermined liquid is in this plug mouth. At the in-process of liquid feed box at the plug, solid impurity probably gets into in the pump body subassembly from open plug mouth to lead to sprinkler system to block up, for example the shower nozzle blocks up, pipe joint blocks up or the pipeline blocks up etc. and then influences the normal operation of spraying the operation, influences user experience.

To this discovery, the utility model discloses an inventor improves above-mentioned plug mouth, and at the liquid feed box plug in-process, this plug mouth can avoid or effectively reduce solid impurity and get into pump body subassembly through this plug mouth to prevent pump body subassembly's jam, and then guarantee sprinkler system's normal operation, promote user experience. Specifically, the utility model provides a connecting device for agricultural unmanned aerial vehicle's sprinkler system, sprinkler system include the liquid feed tank with install in pump body subassembly on the liquid feed tank. The connecting device includes: the water tank plugging port is communicated with the liquid supply tank and comprises a liquid inlet end and a liquid outlet end, and the liquid inlet end is detachably connected with the liquid supply tank; the mounting bracket is communicated with the pump body assembly and the water tank plugging port and comprises an inlet end and an outlet end, and the inlet end is connected with the liquid outlet end; the outlet end is detachably connected with the pump body assembly; and the inlet end and/or the liquid outlet end are/is also provided with a filtering structure, and the filtering structure is used for filtering solid impurities flowing into the mounting bracket from the water tank plugging port.

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a mobile device, which includes a mobile platform 20 and a spraying system 10 installed on the mobile platform 20, and is used for performing operations such as spraying pesticides on agricultural products, forest trees, and the like in the agro-farming industry. Specifically, the liquid supply tank 300 of the spraying system 10 is mounted on the movable platform 20, and the movable platform 20 drives the spraying system 10 to move along the moving path during the moving process, and performs the spraying operation in the preset area.

In some embodiments, the liquid supply tank 300 is detachably connected to the movable platform 20, so that the liquid in the liquid supply tank 300 can be conveniently replaced in time after the spraying is completed, and the spraying efficiency is improved.

As can be appreciated, the movable equipment includes at least one of an agricultural drone, an agricultural spray vehicle, a human powered spray device, and the like.

Referring to FIG. 2, the spray system 10 includes a fluid supply tank 300, a connector 100, and a pump body assembly 200. Pump body assembly 200 is mounted to tank 300. The pump body assembly 200 communicates with the liquid supply tank 300 through the connection device 100. The liquid supply tank 300 is used to store liquid to be sprayed. The liquid is output to the pump body assembly 200 along the connecting device 100, and the pump body assembly 200 operates to output the liquid after pressure adjustment.

Referring to fig. 1 to 5, in some embodiments, the pump body assembly 200 includes a pump body 210, a pipe 220, a flow meter 230 and a spray head 240, wherein one end of the pipe 220 is communicated with the pump body 210, and the other end is communicated with the flow meter 230, that is, the pump body 210 is communicated with the flow meter 230 through the pipe 220. The flow meter 230 is used to measure the flow rate of the liquid output from the liquid supply tank 300. When the pump body 210 works normally, the liquid medicine can enter the pump body 210 from the liquid supply tank 300 through the connection device 100, the flowmeter 230 and the pipeline 220, and then is pumped to the spray head 240 through the pump body 210, and the liquid medicine is sprayed out from the spray head 240.

As shown in fig. 6, the connection device 100 includes a tank insertion and extraction opening 110 and a mounting bracket 120. The tank insertion opening 110 is connected to the liquid supply tank 300, and the mounting bracket 120 is connected to the pump body assembly 200 and the tank insertion opening 110.

Referring to fig. 7, the water tank insertion opening 110 includes a liquid inlet end 111 and a liquid outlet end 112, and the liquid inlet end 111 is detachably connected to the liquid supply tank 300. The mounting bracket 120 includes an inlet end 121 and an outlet end 122, and the inlet end 121 is connected to the liquid outlet end 112. The mounting bracket 120 is connected with the water tank plugging port 110 and comprises an inlet end 121 and an outlet end 122, the inlet end 121 is connected with the liquid outlet end 112, and the outlet end 122 is detachably connected with the pump body assembly 200.

Wherein, the inlet end 121 and/or the outlet end 112 are further provided with a filtering structure 130, and the filtering structure 130 is used for filtering solid impurities flowing into the mounting bracket 120 from the tank insertion and extraction opening 110. In the process of inserting and pulling the liquid supply tank 300, the filtering structure 130 can effectively reduce or prevent solid impurities from entering the mounting bracket 120 from the liquid inlet 111 of the water tank insertion port 110, so that the solid impurities are reduced or prevented from entering the pump body assembly 200 to block the pump body assembly 200, the normal operation of the spraying system 10 is ensured, and the user experience is improved.

It is understood that the filtering structure 130 can be disposed on the inlet end 121, the outlet end 112, or both the inlet end 121 and the outlet end 112 can have the filtering structure 130. In order to more clearly illustrate the technical solution of the embodiment of the present invention, the filtering structure 130 is disposed at the liquid outlet 112 for example.

Referring to fig. 3 and 6, in some embodiments, the outlet port 122 is removably coupled to the flow meter 230. The connection structure of the outlet end 122 and the flow meter 230 may be designed as any suitable structure, such as at least one of a threaded connection structure, a screw or bolt connection structure, a snap connection structure, etc., as long as the detachable connection of the two is achieved.

In some embodiments, the outlet end 122 and the flow meter 230 are connected to the flow meter 230 by a threaded connection, so that the outlet end 122 and the flow meter 230 can be disassembled or assembled more conveniently and quickly. For example, the outlet end 122 may be provided with an internal thread structure, and one end of the flow meter 230 may be provided with an external thread structure that mates with the internal thread structure to couple the flow meter 230 to the mounting bracket 120. For another example, the outlet end 122 may be provided with an internal thread structure, and one end of the flow meter 230 may be provided with an external thread structure that mates with the internal thread structure, so as to connect the flow meter 230 to the mounting bracket 120.

Referring to fig. 7, in some embodiments, the outlet end 112 is detachably connected to the inlet end 121, so as to detachably connect the water tank insertion/extraction opening 110 to the mounting bracket 120. When the filtering structure 130 needs to be detached and cleaned or replaced, other structures such as the flow meter 230 do not need to be detached, the filtering structure 130 can be cleaned or replaced only by detaching the water tank plugging port 110 from the mounting bracket 120, and the water tank plugging device is simple in structure, convenient and fast to operate and high in practicability.

It will be appreciated that the connection structure of the outlet end 112 and the inlet end 121 can be designed into any suitable structure, such as at least one of a threaded connection structure, a screw or bolt connection structure, a snap connection structure, etc., as long as the detachable connection of the two can be realized.

In some embodiments, the liquid outlet end 112 and the inlet end 121 are connected to the mounting bracket 120 by a threaded connection structure, so that the liquid outlet end 112 and the inlet end 121 can be disassembled or assembled more conveniently and quickly. For example, the outlet end 112 has an internal thread structure, and the inlet end 121 has an external thread structure matching with the internal thread structure, so as to connect the tank insertion/extraction opening 110 with the mounting bracket 120. For another example, the outlet end 112 has an external thread structure, and the inlet end 121 has an internal thread structure matching with the external thread structure, so as to connect the tank insertion/extraction opening 110 with the mounting bracket 120.

Referring to fig. 8, in some embodiments, the liquid outlet end 112 includes a threaded portion 1121 and a supporting portion 1123. One end of the threaded portion 1121 is connected to the liquid inlet end 111, and the threaded portion 1121 is detachably connected to the inlet end 121. The support portion 1123 is connected to the other end of the threaded portion 1121 for supporting the filter structure 130.

It is understood that the supporting portion 1123, the threaded portion 1121 and the liquid inlet end 111 can be designed to have any suitable relative position according to actual requirements, as long as the liquid medicine in the liquid supply tank 300 can flow into the mounting bracket 120 through the liquid inlet end 111, the threaded portion 1121 and the supporting portion 1123. Illustratively, the central axes of the support 1123, the threaded portion 1121, and the liquid inlet end 111 substantially coincide. In the present invention, the substantial overlap means that the coaxiality of the central line of the supporting portion 1123 and the threaded portion 1121 and the central line of the liquid inlet end 111 is in the range of 0.1, and when the supporting portion 1123, the threaded portion 1121 and the liquid inlet end 111 meet the requirement of the machining accuracy, the central lines of the supporting portion 1123, the threaded portion 1121 and the liquid inlet end 111 substantially overlap, so that the liquid flows through the water tank insertion/extraction port 110 more smoothly, and the stability and the sealing performance of the connecting device 100 are improved.

It is understood that the filter structure 130 can be disposed at any suitable position of the outlet end 112 of the tank insertion/extraction opening 110. In some embodiments, the filter structure 130 is sleeved outside the supporting portion 1123, and at this time, the supporting portion 1123 can effectively open the filter structure 130, thereby preventing the size of the flow channel from being reduced due to the arrangement of the filter structure 130. In other embodiments, the filter structure 130 is disposed inside the support portion 1123, and when the liquid flows through the tank insertion/extraction opening 110 and impacts the filter structure 130, the support portion 1123 can support the filter structure 130, thereby prolonging the service life of the filter structure 130.

Referring to fig. 3 and 8, in some embodiments, the liquid outlet end 112 further includes a protruding portion 1122. The protruding portion 1122 is connected to the support portion 1123 at one end and extends toward the center of the threaded portion 1121. When the liquid supply tank 300 is installed on the tank insertion/extraction opening 110, the protruding portion 1122 can push the liquid outlet of the liquid supply tank 300 to act as a check valve, so that the tank insertion/extraction opening 110 is communicated with the liquid supply tank 300. The protruding portion 1122 may be designed to have any suitable shape, such as a column, a cone, other regular shapes, or irregular shapes, and is not limited herein.

In some embodiments, the liquid inlet 111 is provided with anti-slip threads, so that when a user detaches or assembles the water tank insertion and extraction port 110 and the mounting bracket 120, friction between the user's hand and the liquid inlet 111 is greater, and detachment and assembly processes are more convenient. It can be understood that, in some embodiments, the outer circumference of the liquid inlet 111 is larger than the outer circumference of the liquid outlet 112, so that when a user detaches and assembles the water tank insertion and extraction opening 110, the force transmitted to the threaded portion 1121 through the liquid inlet 111 is larger, and thus, the user can detach or assemble the water tank insertion and extraction opening 110 and the mounting bracket 120 more easily.

Referring to fig. 8, in some embodiments, the support portion 1123 includes a support ring 11233, a plurality of first support bars 11231 and a plurality of second support bars 11232, thereby effectively supporting the filter structure 130. A plurality of first support struts 11231 are connected between the threaded portion 1121 and the support ring 11233 to surround the protruding portion 1122. A plurality of second support bars 11232 are each circumferentially spaced along the support ring 11233. One end of each second supporting bar 11232 is connected to the supporting ring 11233, and the other end of each second supporting bar 11232 is connected to the protruding portion 1122.

The plurality of second supporting strips 11232 are arranged along the circumference of the supporting ring 11233 at intervals to form a plurality of liquid passages, so that the supporting portion 1123 maintains a certain mechanical strength to support the filter structure 130, and at the same time, the liquid circulation inside the water tank insertion/extraction port 110 is not excessively affected, so that the liquid flow rate inside the water tank insertion/extraction port 110 is maintained within a preset range.

Referring to fig. 3 and 9, in some embodiments, the inlet end 121 includes a connecting portion 1211 and a liquid guiding portion 1212. The connection portion 1211 is connected to the threaded portion 1121, the liquid guiding portion 1212 is connected between the connection portion 1211 and the outlet end 122, and the support portion 1123 is disposed in the liquid guiding portion 1212, so that the connection between the tank insertion/extraction port 110 and the mounting bracket 120 is achieved.

It is understood that the connecting portion 1211 and the liquid guiding portion 1212 can be designed to have any suitable size according to actual requirements. For example, the outer circumferential dimension of the connecting portion 1211 is larger than the outer circumferential dimension of the liquid guiding portion 1212; alternatively, the outer circumference of the liquid guiding portion 1212 is larger than the outer circumference of the outlet end 122, which is not limited to this embodiment of the present invention.

Referring to fig. 3, in some embodiments, the inlet end 121 further includes a transition portion 1213. The transition portion 1213 is connected to the connection portion 1211 and the liquid guide portion 1212, and the transition portion 1213 is connected to one end of the threaded portion 1121. The transition portion 1213 is provided so that the threaded portion 1121 can be mounted in the connecting portion 1211 and so that the threaded portion 1121 can be restrained.

Referring to fig. 3 and 7, in some embodiments, the connection device 100 further includes a sealing member 140 for sealing a connection between the tank insertion opening 110 and the mounting bracket 120 to prevent fluid from leaking out of the connection between the tank insertion opening 110 and the mounting bracket 120. Specifically, the seal 140 is provided at the junction of the transition portion 1213 and the threaded portion 1121 to prevent liquid from leaking out of the junction of the transition portion 1213 and the threaded portion 1121, improving the sealing properties of the connection device 100.

In some embodiments, the water tank insertion opening 110 and the filter structure 130 are integrally formed by injection molding, so that the assembly process of the water tank insertion opening 110 and the filter structure 130 is saved, and the assembly efficiency of the connection device 100 is improved. It will be appreciated that the tank insertion and extraction port 110 and the filter structure 130 may also be separate and separately formed components that are fixedly attached, such as by snap, strap, or fusion. When the water tank insertion opening 110 and the filter structure 130 are separate and independent forming members, only the damaged part is needed to be replaced when one of the water tank insertion opening 110 and the filter structure 130 is damaged and needs to be replaced, and the two parts do not need to be replaced simultaneously, so that the cost of the connecting device 100 is saved.

The material of the tank insertion opening 110 and the filter structure 130 may be any material with good mechanical properties and corrosion resistance, such as aluminum, copper, steel, aluminum alloy, copper alloy, stainless steel, rigid plastic, and the like. Preferably, the material of the water tank insertion opening 110 and the material of the filtering structure 130 are both stainless steel materials which are integrally injection molded, and the stainless steel has strong mechanical properties and strong corrosion resistance. During operation, the stainless steel material integrally injection molded component can isolate solid impurities outside the pump body assembly 200, and can isolate the solid impurities outside the pump body assembly 200 when the liquid supply tank 300 is disassembled and assembled, so that the probability of blockage of the pump body assembly 200 is reduced, and the use experience of a user is improved.

Referring to fig. 2 to 4, in order to fix the pump assembly 200 to the tank 300, the spraying system 10 further includes an assembly frame 400. Mounting frame 400 is mounted outside of tank 300, and pump body assembly 200 and mounting bracket 120 are mounted on mounting frame 400. Specifically, the assembly frame 400 is detachably mounted outside the liquid supply tank 300, so that the pump body assembly 200 is hung outside the liquid supply tank 300. The mounting frame 400 is detached from the liquid supply tank 300, so that the liquid supply tank 300 can be detached from the movable platform 20; alternatively, assembly frame 400 is removed from tank 300 in conjunction with pump body assembly 200 and/or mounting bracket 120, or pump body assembly 200 and/or mounting bracket 120 may be independently removable from assembly frame 400.

The tank insertion opening 110 needs to be disassembled and assembled frequently to facilitate cleaning of the filter structure 130 between the tank insertion opening 110 and the mounting bracket 120. The entire connector apparatus 100, as part of the sprinkler system 10, needs to have stability to prevent the sprinkler system 10 from being unstable due to vibration and the like during operation of the sprinkler system 10.

Referring to fig. 3 and 9, in order to improve the stability of the connecting device 100, the mounting bracket 120 further includes a mounting member 123. A mounting member 123 is connected to the inlet end 121 for mounting the mounting bracket 120 to the mounting frame 400.

In some embodiments, mounting member 123 includes an extension 1231 and a mounting body 1232. The extension 1231 extends outwardly along the side periphery of the inlet end 121. One end of the mounting body 1232 is connected to the extension 1231 and extends toward a side facing away from the outlet end 122.

In some embodiments, the mounting member 123 further includes a first positioning portion 1233. The first positioning portion 1233 and the inlet end 121 are respectively disposed at opposite sides of the mounting body 1232 for cooperating with the second positioning portion 420 of the assembly frame 400. The first positioning portion 1233 and the second positioning portion 420 may be configured in any suitable structure, for example, the first positioning portion 1233 is configured as a snap projection, and the second positioning portion 420 is configured as a snap groove. For another example, the first positioning portion 1233 is configured as a locking groove, and the second positioning portion 420 is configured as a locking protrusion.

In some embodiments, the mounting bracket 120 is removably attached to the mounting frame 400. The detachable connection mode may be a screw connection mode, a snap connection mode, or the like, and is not limited herein. Specifically, the assembly frame 400 is provided with an assembly portion 410, the mounting bracket 120 is provided with a mounting portion 12321, and the assembly portion 410 is connected to the mounting portion 12321, thereby fixing the mounting bracket 120 to the assembly frame 400. More specifically, the mounting part 12321 is provided on the mounting body 1232. The fitting portion 410 is detachably connected to the mounting member 123. The detachable connection mode may be a connection mode such as a screw, a buckle, and the like, and is not limited herein.

Illustratively, the mounting portion 12321 and the mounting portion 410 each include a mounting hole structure, and a connecting member such as a screw is inserted through the corresponding mounting hole structure to lock the mounting bracket 120 to the mounting frame 400. Of course, the mounting portion 12321 includes a snap-fit structure, and the assembling portion 410 includes a snap-fit structure cooperating with the opening and closing structure; alternatively, the installation portion 12321 includes a fastening structure, and the assembling portion 410 includes a fastening structure cooperating with the opening and closing structure, which is not limited to this embodiment of the present invention.

In some embodiments, the assembly frame 400 is further provided with a second positioning portion 420, which is matched with the first positioning portion 1233 of the mounting bracket 120. When the connecting device 100 is assembled with the mounting frame 400, the second positioning portions 420 are firstly matched with the first positioning portions 1233 of the mounting bracket 120 to position the connecting device 100, and then the fixing of the connecting device 100 and the mounting frame 400 is realized through the corresponding portions of the mounting portion 410 and the mounting bracket 120.

The above embodiment provides the connecting device 100, the spraying system 10 and the mobile device, the connecting device 100 is provided with the filtering structure 130, and the filtering structure 130 can filter the solid impurities flowing into the mounting bracket 120 from the tank insertion and extraction opening 110. In the process of inserting and pulling the liquid supply tank 300, the filtering structure 130 can effectively reduce or prevent solid impurities from entering the mounting bracket 120 from the liquid inlet 111 of the water tank insertion port 110, so that the solid impurities are reduced or prevented from entering the pump body assembly 200 to block the pump body assembly 200, the normal operation of the spraying system 10 is ensured, and the user experience is improved.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (15)

1. The utility model provides a connecting device for agricultural unmanned aerial vehicle's sprinkling system, sprinkling system include the liquid supply tank and install in pump body subassembly on the liquid supply tank, its characterized in that, connecting device includes:

the water tank plugging port is communicated with the liquid supply tank and comprises a liquid inlet end and a liquid outlet end, and the liquid inlet end is detachably connected with the liquid supply tank;

the mounting bracket is communicated with the pump body assembly and the water tank plugging port and comprises an inlet end and an outlet end, and the inlet end is connected with the liquid outlet end;

the outlet end is detachably connected with the pump body assembly; the inlet end and/or the liquid outlet end are/is also provided with a filtering structure, and the filtering structure is used for filtering solid impurities entering the mounting bracket from the water tank plugging port.

2. The connection device of claim 1, wherein the pump body assembly includes a pump body, a conduit, and a flow meter, the pump body communicating with the flow meter through the conduit; the outlet end is detachably connected with the flowmeter.

3. The connecting device as claimed in claim 1, wherein the outlet end is detachably connected to the inlet end.

4. A connection device according to claim 3, wherein said outlet end comprises:

one end of the threaded part is connected to the liquid inlet end and is detachably connected with the inlet end;

the supporting part is connected with the other end of the threaded part and is used for supporting the filtering structure;

and one end of the convex part is connected with the supporting part and extends towards the central direction of the threaded part, and the convex part is used for pushing the liquid outlet part of the liquid supply tank so as to communicate the water tank plugging port with the liquid supply tank.

5. The connecting device according to claim 4, wherein the support portion comprises:

a support ring;

a plurality of first supporting strips which are connected between the threaded part and the supporting ring so as to surround the protruding part;

a plurality of second support bars all follow the circumference interval of support ring sets up, every the one end of second support bar with the support ring is connected, the other end with protruding portion of establishing is connected.

6. The coupling device of claim 4, wherein the inlet end comprises:

a connecting portion connected to the screw portion;

the liquid guide part is connected between the connecting part and the outlet end, and the supporting part is arranged in the liquid guide part;

and the transition part is connected with the connecting part and the liquid guide part and is connected with one end of the threaded part.

7. The connection device of claim 6, further comprising:

and the sealing element is arranged at the joint of the transition part and the threaded part.

8. The connection device of any one of claims 1-7, wherein the spray system further comprises a mounting frame mounted outside the fluid supply tank, the mounting bracket being mounted to the mounting frame.

9. The connection device of claim 8, wherein the mounting bracket further comprises:

and the mounting component is connected to the inlet end and used for mounting the mounting bracket on the assembly frame.

10. The connection device of claim 9, wherein the mounting member comprises:

an extension extending outwardly along a side peripheral edge of the inlet end;

the mounting body is connected with the extending part at one end and extends towards one side departing from the outlet end;

the first positioning part and the inlet end are respectively arranged on two opposite sides of the mounting body and are used for being matched with the second positioning part of the assembling frame.

11. The connecting device as claimed in claim 10, wherein the mounting body is provided with a mounting portion for fixedly connecting with the mounting frame.

12. A sprinkler system, comprising:

a liquid supply tank;

the connecting device according to any one of claims 1-11;

and the pump body assembly is arranged on the liquid supply tank and is communicated with the liquid supply tank through the connecting device.

13. The spraying system of claim 12, further comprising:

the assembly frame, install in outside the liquid feed box, pump body subassembly with the installing support all install in on the assembly frame, be equipped with on the assembly frame be used for with the assembly portion that the installing support is connected.

14. The spraying system of claim 13, wherein said mounting frame further comprises:

and the second positioning part is matched with the first positioning part of the mounting bracket.

15. An agricultural unmanned aerial vehicle, comprising:

a movable platform;

a spraying system as claimed in any one of claims 12 to 14, mounted on the movable platform.

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