CN217198661U - Spray lance mounting structure and unmanned aerial vehicle - Google Patents

Abstract

The utility model discloses a spray lance mounting structure, which comprises a spray lance, a mounting seat and a connecting component for connecting the spray lance and the mounting seat, wherein the spray lance and the mounting seat are correspondingly provided with mounting holes, and the connecting component passes through the mounting holes and connects the spray lance and the mounting seat on two sides; the connecting assembly comprises a limiting assembly and a knob piece, and the knob piece is in threaded connection with the limiting assembly; the knob piece and the mounting seat are provided with axial limiting structures in a matched mode, so that the knob piece can rotate relative to the mounting seat and cannot move axially; the limiting assembly and the spray rod are provided with circumferential limiting structures in a matched mode, so that the limiting assembly can move axially relative to the spray rod and cannot rotate, and the limiting assembly can move axially by rotating the knob piece to adjust the clamping degree of the spray rod and the mounting seat.

Description

Spray lance mounting structure and unmanned aerial vehicle

Technical Field

The application relates to the field of mechanical connection structures, in particular to a spray rod mounting structure and unmanned equipment.

Background

When some equipment works, different types of operation devices need to be carried so as to meet different operation requirements. For example, unmanned vehicles can carry on operation devices such as stock solution device, sprinkler, and unmanned vehicles can carry out the spraying operation of liquid such as medicine or moisture during flight to satisfy crop growth demand.

In the related art, when the equipment carries the working device, the working device is generally directly fixed to the equipment main body through a fastener, and the working device is relatively troublesome to detach, maintain and replace and cannot meet the requirement for quick mounting and detaching.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: the utility model provides a spray lance mounting structure and unmanned aerial vehicle which can solve the above-mentioned problem that exists among the prior art.

In order to achieve the purpose, the following technical scheme is adopted in the application:

on one hand, the spray rod mounting structure comprises a spray rod, a mounting seat and a connecting assembly for connecting the spray rod and the mounting seat, wherein mounting holes are correspondingly formed in the spray rod and the mounting seat, and the connecting assembly penetrates through the mounting holes and is connected with the spray rod and the mounting seat on two sides;

the connecting assembly comprises a limiting assembly and a knob piece, and the knob piece is in threaded connection with the limiting assembly; the knob piece and the mounting seat are provided with axial limiting structures in a matched mode, so that the knob piece can rotate relative to the mounting seat and cannot move axially; the limiting assembly and the spray rod are provided with circumferential limiting structures in a matched mode, so that the limiting assembly can move axially relative to the spray rod and cannot rotate, and the limiting assembly can move axially by rotating the knob piece to adjust the clamping degree of the spray rod and the mounting seat.

Optionally, the axial limiting structure comprises an axial limiting groove and an axial limiting buckle which can be mutually clamped and matched.

Optionally, the axial limiting groove is arranged on the mounting seat, and the axial limiting buckle is arranged on the knob piece.

Optionally, the knob piece includes knob portion and connecting portion, be provided with the external screw thread on the connecting portion, be provided with the internal thread on the spacing subassembly, the knob piece with the spacing subassembly passes through external screw thread and internal thread matching connection.

Optionally, the peripheral portion of the knob member is provided with a limiting tooth, the mounting seat is provided with an elastic abutting member corresponding to the limiting tooth, and the elastic abutting member is configured to be capable of cooperating with the limiting tooth to limit the rotation of the knob member around the axis in a first direction and allow the rotation of the knob member around the axis in a direction opposite to the first direction.

Optionally, a supporting member mounting groove is formed in the mounting seat, the elastic supporting member is mounted in the supporting member mounting groove, the supporting member mounting groove is provided with a through portion communicated with two side surfaces of the mounting seat, and a supporting end of the elastic supporting member extends to the other side of the mounting seat through the through portion to be matched with the limiting tooth.

Optionally, the limiting assembly is provided with circumferential limiting protrusions along the axial direction of the limiting assembly, circumferential limiting grooves are formed in the spray rod and correspond to the circumferential limiting protrusions, and the circumferential limiting protrusions and the circumferential limiting grooves form the circumferential limiting structure.

Optionally, the limiting assembly includes a connecting piece, an internal thread matched with the knob piece is arranged on the connecting piece, and the circumferential limiting protrusion is arranged on the circumference of the connecting piece.

Optionally, the mounting holes include a first mounting hole located on the spray bar and a second mounting hole located on the mounting seat, and the first mounting hole and the second mounting hole are coaxially arranged.

Optionally, the spray rod has a fitting portion, the first mounting hole is provided on the fitting portion, the mounting seat has a mounting portion matched with the fitting portion, and the second mounting hole is provided on the mounting portion.

Optionally, a circular mounting groove is formed in the mounting portion, and the second mounting hole is coaxially formed in the mounting groove and communicated with the mounting groove.

Optionally, a plurality of positioning columns are arranged on the mounting groove, the positioning columns are uniformly distributed around the axis of the second mounting hole, and positioning grooves matched with the positioning columns are arranged on the matching portions.

Optionally, an accommodating groove is formed in one side, opposite to the positioning groove, of the matching portion, and the limiting assembly is arranged in the accommodating groove.

Optionally, the mounting seat is provided with a connecting column, and the circumferential limiting groove is formed in the connecting column.

Optionally, the limiting assembly further comprises an elastic member, and the elastic member is arranged between the connecting member and the matching portion.

Optionally, the limiting assembly further comprises a locking member for limiting the limiting assembly in the accommodating groove, a buckle is arranged on the locking member, a buckle groove is formed in the inner wall of the accommodating groove, and the buckle groove are matched to achieve connection of the locking member and the matching portion.

In another aspect, a spraying device is provided that includes a spray head, a spray bar, and a mount, the spray bar being mounted by the spray bar mounting structure as described above.

In a further aspect, an unmanned aerial vehicle is provided having a spraying apparatus as described above.

The beneficial effect of this application does: through setting up axial limit structure in this scheme, the axial displacement of knob spare under the restriction equipment state, through setting up circumference limit structure, the circumferential direction of spacing subassembly under the restriction equipment state, and threaded connection between knob spare and the spacing subassembly, therefore, when knob spare is rotatory, because spacing subassembly is unable rotatory, it can be along axial displacement under the pulling force effect of helicitic texture, can realize the direction motion to knob spare or to the direction motion of keeping away from knob spare through the different direction of rotation of knob subassembly, can realize the taut fixed or unfixed of release to spray lance and mount pad from this, its mounting structure is simple, only can realize the equipment and the dismantlement of spray lance and mount pad promptly through rotatory knob spare, and is simple in operation, the dismouting is fast.

Meanwhile, in the scheme, the knob piece can be arranged on the mounting seat in the state that the knob piece is connected with the limiting assembly and in the state that the knob piece is disconnected with the limiting assembly, and the knob piece does not need to be separated from the mounting seat, so that the knob piece can be prevented from being lost.

Drawings

The present application will be described in further detail below with reference to the accompanying drawings and examples.

Fig. 1 is a schematic view of a spray bar mounting structure according to an embodiment of the present invention;

FIG. 2 is an enlarged view taken at I in FIG. 1;

fig. 3 is a schematic view illustrating an exploded state of a spray bar mounting structure according to an embodiment of the present invention;

fig. 4 is an exploded view of another view angle of the boom mounting structure according to the embodiment of the present invention;

fig. 5 is a schematic view of a mounting base according to an embodiment of the present invention;

fig. 6 is a schematic view of another view angle of the mounting base according to the embodiment of the present invention;

fig. 7 is a schematic perspective view of a spray bar according to an embodiment of the present invention;

fig. 8 is a schematic view of another perspective structure of the spray bar according to the embodiment of the present invention;

fig. 9 is a schematic perspective view of a connecting member according to an embodiment of the present invention;

fig. 10 is a schematic view of another perspective three-dimensional structure of the connecting member according to the embodiment of the present invention;

fig. 11 is a schematic perspective view of a locking member according to an embodiment of the present invention;

fig. 12 is a schematic perspective view of a knob member according to an embodiment of the present invention;

fig. 13 is a partial structural sectional view of a spray bar mounting structure according to an embodiment of the present invention;

fig. 14 is a schematic view of a three-dimensional structure of the unmanned aerial vehicle according to the embodiment of the present invention;

fig. 15 is the embodiment of the utility model provides an another visual angle spatial structure schematic diagram of unmanned aerial vehicle.

In the figure:

100. an unmanned aerial vehicle; 101. a body; 102. a horn; 103. a reservoir; 104. a landing gear; 105. a battery; 15. a spraying device; 151. a mounting seat; 1511. an installation part; 1512. mounting grooves; 15121. a supporting piece mounting groove; 15122. a through part; 1513. a second mounting hole; 1514. a positioning column; 1515. connecting columns; 15151. an axial limiting groove; 15152. a circumferential limiting groove; 152. a connecting assembly; 1521. a knob member; 15211. a knob portion; 15212. a connecting portion; 15213. an axial limiting buckle; 15214. limiting teeth; 1522. an elastic member; 1523. a connecting member; 15231. a threaded connection; 15232. a circumferential limiting bulge; 1524. a locking member; 15241. buckling; 153. a spray head; 154. a spray rod; 1541. a fitting portion; 15411. connecting the end faces; 15412. positioning a groove; 15413. an accommodating groove; 15414. a first mounting hole; 15415. a fastening groove; 1542. a fixed part; 1543. a link section; 155. elastic propping pieces.

Detailed Description

In order to make the technical problems solved, technical solutions adopted, and technical effects achieved by the present application clearer, the following describes technical solutions of embodiments of the present application in further detail, and it is obvious that the described embodiments are only a part of embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 15, the present application provides a spray bar mounting structure, which includes a spray bar 154, a mounting seat 151, and a connecting assembly 152 for connecting the spray bar 154 and the mounting seat 151, wherein mounting holes are correspondingly formed in the spray bar 154 and the mounting seat 151, and the connecting assembly 152 passes through the mounting holes to connect the spray bar 154 and the mounting seat 151 on two sides;

the connecting assembly 152 comprises a limiting assembly and a knob member 1521, and the knob member 1521 is in threaded connection with the limiting assembly; the knob member 1521 and the mounting seat 151 are provided with an axial limiting structure in a matching manner, so that the knob member 1521 can rotate relative to the mounting seat 151 and cannot move axially; the limit assembly and the spray rod 154 are provided with a circumferential limit structure in a matching manner, so that the limit assembly can axially move relative to the spray rod 154 and cannot rotate, and the limit assembly can axially move by rotating the knob member 1521 to adjust the clamping degree of the spray rod 154 and the mounting seat 151.

Through setting up axial limit structure in this scheme, the axial displacement of knob piece 1521 under the restriction equipment state, through setting up circumference limit structure, the circumferential direction of limit component under the restriction equipment state, and threaded connection between knob piece 1521 and the limit component, therefore, when knob piece 1521 is rotatory, because limit component is unable rotatory, it can be along axial displacement under the pulling force effect of helicitic texture, different direction of rotation through knob component can realize to the direction motion of knob piece 1521 or to keeping away from the direction motion of knob piece 1521, can realize from this that the tensioning to spray lance 154 and mount pad 151 is fixed or remove fixedly, its mounting structure is simple, only can realize the equipment and the dismantlement of spray lance 154 and mount pad 151 through rotatory knob piece 1521, and the operation is simple, the dismouting is fast.

Meanwhile, in this scheme, the knob member 1521 may be mounted on the mounting seat 151 in a state where the knob member 1521 is connected to the limiting assembly and in a state where the knob member 1521 is disconnected from the limiting assembly, without being separated from the mounting seat 151, thereby preventing the knob member 1521 from being lost.

In the scheme, the axial limiting structure comprises an axial limiting groove 15151 and an axial limiting buckle 15213 which can be mutually clamped and matched; the axial limiting groove 15151 is disposed on the mounting seat 151, and the axial limiting buckle 15213 is disposed on the knob member 1521. In an assembled state, the axial limiting buckle 15213 is clamped in the axial limiting groove 15151, so that the knob member 1521 can rotate and cannot move axially, and axial limiting is achieved.

It should be noted that the axial limiting structure according to the present disclosure is not limited to the axial limiting groove 15151 being disposed on the mounting seat 151, and the axial limiting catch 15213 being disposed on the knob member 1521, and in other embodiments, the axial limiting groove 15151 may be disposed on the knob member 1521, and the axial limiting catch 15213 being disposed on the mounting seat 151.

Further, referring to fig. 11, in this embodiment, the axial limiting buckle 15213 is an elastic buckle, so that the knob member 1521 is detachable with respect to the mounting seat 151. In the installation process, along with gradually screwing of the thread structure, the axial limiting groove 15151 and the axial limiting buckle 15213 are close to each other until the axial limiting groove 15151 and the axial limiting buckle 15213 are in contact with each other, at the moment, the side wall of the axial limiting groove 15151 is continuously rotated to extrude the axial limiting buckle 15213 to deform, and the axial limiting buckle 15213 passes through the side wall of the axial limiting groove 15151 and then is clamped with the axial limiting groove 15151. Similarly, the axial stopper 15213 is an elastic clip, so it can be detached from the mounting seat 151.

Referring to fig. 12, the knob member 1521 includes a knob portion 15211 and a connecting portion 15212, an external thread is disposed on the connecting portion 15212, an internal thread is disposed on the limiting component, and the knob member 1521 and the limiting component are connected by the external thread and the internal thread in a matching manner.

With continued reference to fig. 12, in the present embodiment, a specific structure of the knob member 1521 is provided, and the axial limiting catch 15213 is disposed at an end of the connecting portion 15212 close to the knob portion 15211. The axial limiting buckles 15213 include a plurality of clamping portions, and the clamping portions are uniformly arranged on the periphery of the connecting portion 15212. Because the spacing buckle 15213 of axial is the annular and arranges, set up it into a plurality of joint portion, more do benefit to it and take place elastic deformation.

Furthermore, in this embodiment, a limit tooth is disposed on a peripheral portion of the knob member 1521, and an elastic abutting member is disposed on the mounting seat 151 corresponding to the limit tooth, and the elastic abutting member is configured to be capable of cooperating with the limit tooth to limit the rotation of the knob member around the axis in the first direction and allow the rotation of the knob member around the axis in a direction opposite to the first direction. The mounting seat 151 is provided with an abutting piece mounting groove 15121, the elastic abutting piece 155 is mounted in the abutting piece mounting groove 15121, the abutting piece mounting groove 15121 is provided with a through portion 15122 communicated with two side surfaces of the mounting seat 151, and an abutting end of the elastic abutting piece 155 extends to the other side of the mounting seat 151 through the through portion 15122 to be matched with the limiting tooth 15214.

Through setting up spacing tooth 15214 and elasticity and propping up a piece 155 cooperation, form similar ratchet structure for knob piece 1521 can only rotate to a direction, in the use, sets up it into only can rotate to the direction of screwing, thereby avoids taking place in the use not hard up and lead to spray lance 154 and mount pad 151 to be connected not tightly.

Referring to fig. 3 and 4, in this embodiment, a specific structure of the limiting assembly is provided, the limiting assembly is provided with a circumferential limiting protrusion 15232 along an axial direction thereof, a circumferential limiting groove 15152 is provided on the mounting seat 151 corresponding to the circumferential limiting protrusion 15232, and the circumferential limiting protrusion 15232 and the circumferential limiting groove 15152 form the circumferential limiting structure.

It should be noted that the circumferential limiting protrusion 15232 and the circumferential limiting groove 15152 are not limited to the circumferential limiting protrusion 15232 being disposed on the limiting assembly, and the circumferential limiting groove 15152 being disposed on the spray bar 154, and in other embodiments, a technical solution that the circumferential limiting protrusion 15232 is disposed on the spray bar 154 and the circumferential limiting groove 15152 is disposed on the limiting assembly may also be adopted.

Specifically, as shown in fig. 3, 4, 9 and 10, in this embodiment, the limiting assembly includes a connecting member 1523, an internal thread matched with the knob member 1521 is disposed on the connecting member 1523, and the circumferential limiting protrusion 15232 is disposed on a circumference of the connecting member 1523.

Preferably, a threaded connection portion 15231 is arranged on the connecting member 1523, and the internal thread is arranged in the threaded connection portion 15231.

Referring to fig. 7 and 8, in the present embodiment, the mounting holes include a first mounting hole 15414 on the spray bar 154 and a second mounting hole 1513 on the mounting seat 151, and the first mounting hole 15414 is disposed coaxially with the second mounting hole 1513. The spray bar 154 has a fitting part 1541, a fixing part 1542 for connecting the spray head 153, and a connecting rod part 1543 located between the fixing part 1542 and the fitting part 1541, wherein the fitting part 1541 and the connecting part 15212 are of different material integral injection molding structures, the first mounting hole 15414 is disposed on the fitting part 1541, the mounting seat 151 has a mounting part 1511 matched with the fitting part 1541, and the second mounting hole 1513 is disposed on the mounting part 1511. Seted up on the installation portion 1511 and be circular shape mounting groove 1512, second mounting hole 1513 with the coaxial setting of mounting groove 1512 and be linked together.

In order to further fix the relative position between the spray rod 154 and the mounting seat 151, referring to fig. 6, a plurality of positioning pillars 1514 are disposed on the mounting groove 1512, the plurality of positioning pillars 1514 are uniformly distributed around the axis of the second mounting hole 1513, and a positioning groove 15412 matched with the positioning pillars 1514 is disposed on the matching portion 1541. In the assembled state of the spray rod 154 and the mounting base 151, the positioning post 1514 is inserted into the corresponding positioning groove 15412, and the relative angle between the spray rod 154 and the mounting base 151 can be adjusted by replacing the positioning post 1514 and the positioning groove 15412 which are inserted into each other.

Further, as shown in fig. 8, an accommodating groove 15413 is disposed on a side of the fitting portion 1541 opposite to the positioning groove 15412, and the limiting component is disposed in the accommodating groove 15413.

A connection column 1515 is formed on the periphery of the second mounting hole 1513, the connection column 1515 is in plug-in fit with the first mounting hole 15414, and the circumferential limiting groove 15152 is arranged on the connection column 1515.

Referring to fig. 3, 4 and 13, the limiting assembly further includes an elastic member 1522, and the elastic member 1522 is disposed between the connecting member 1523 and the fitting portion 1541. In this embodiment, the elastic member 1522 is a spring, the elastic member 1522 is used for providing a pre-tightening force between the spray rod 154 and the mounting seat 151, when the angle of the spray rod 154 relative to the mounting seat 151 needs to be adjusted, the spray rod 154 can be pulled to separate the spray rod 154 from the mounting seat 151, at this time, the elastic member 1522 is compressed and deformed, after the relative angle between the spray rod 154 and the mounting seat 151 is rotated, the separation acting force on the spray rod 154 and the mounting seat 151 is released, and the elastic member 1522 presses the spray rod 154 to tightly abut against the mounting seat 151.

With reference to fig. 3 and 4, the limiting assembly further includes a locking member 1524 for limiting the limiting assembly in the receiving groove 15413, a buckle 15241 is disposed on the locking member 1524, a buckle groove 15415 is disposed on an inner wall of the receiving groove 15413, and the buckle 15241 and the buckle groove 15415 cooperate to realize connection between the locking member 1524 and the fitting portion 1541.

The assembly process of the boom mounting structure described in the present application is described below:

firstly, the elastic member 1522 is installed in the receiving groove 15413 of the matching portion 1541, the connecting member 1523 is installed in the receiving groove 15413, so that the end portion of the elastic member 1522 abuts against the connecting member 1523, and then the locking member 1524 is matched in the receiving groove 15413, so that the buckle 15241 is matched with the buckle groove 15415 to abut against the connecting member 1523, so that the elastic member 1522 and the connecting member 1523 are fixed in the axial direction, and meanwhile, the limiting groove on the peripheral wall of the connecting column 1515 is matched with the limiting protrusion, so that the elastic member 1522 and the connecting member 1523 are limited in the circumferential direction.

Next, the fitting portion 1541 is fitted into the mounting groove 1512, so that the positioning post 1514 fits into the positioning groove 15412.

Finally, the connecting portion 15212 of the knob member 1521 is inserted into the threaded connecting portion 15231, so that the external thread thereof is screwed with the internal thread of the threaded connecting portion 15231, and the buckle 15241 on the locking member 1524 is rotated to be matched with the buckle groove 15415 on the spray rod 154.

The disassembly process of the boom mounting structure described in this application is described below:

the elastic propping piece is pulled to enable the knob piece 1521 to rotate towards the disassembling direction, and the rotation of the knob piece 1521 can drive the limiting assembly to move towards the direction far away from the spray rod 154 until the limiting assembly is separated from the knob piece 1521, and then the spray rod 154 is separated from the mounting seat 151.

The following describes the process of adjusting the angle of the spray bar 154 of the spray bar mounting structure described in the present application:

when the angle of the spray rod 154 relative to the mounting seat 151 needs to be adjusted, the spray rod 154 is broken off to enable the connecting end surface 15411 on the matching part 1541 to abut against the end surface on the mounting part 1511, so that the positioning column 1514 which is originally matched with the positioning groove 15412 is disengaged, after the positioning column 1514 is disengaged from the positioning groove 15412, the relative rotation of the spray rod 154 and the mounting seat 151 is not limited, then the spray rod 154 is rotated to enable the relative angle between the spray rod 154 and the mounting seat 151 to change, when the spray rod rotates to the position where the next positioning column 1514 is matched with the positioning groove 15412 to complete the angle adjustment, the acting force applied to the spray rod 154 can be removed, and the positioning column 1514 is matched with the positioning groove 15412 again to realize the positioning.

Meanwhile, referring to fig. 1, the present embodiment further provides a spraying device 15, which includes a spray head 153, a spray rod 154, and a mounting seat 151, wherein the spray rod 154 is mounted by the spray rod mounting structure as described above.

The present embodiment also provides an unmanned device, which has the spraying device 15 as described above. The unmanned device described in this embodiment may be a manned flight device or an unmanned flight device, and the like, and this embodiment is not limited.

In the present embodiment, the unmanned aerial vehicle 100 is exemplified by unmanned equipment, and as shown in fig. 14 and 15, the unmanned aerial vehicle 100 is provided, and the unmanned aerial vehicle 100 is used for operation activities such as pesticide spraying or water sprinkling irrigation on crops in the agricultural industry. Of course, in other embodiments, the drone 100 may also be used in other fields such as spraying of fire-extinguishing liquid in forest fires, aerial photography, power routing inspection, environmental monitoring, forest fire prevention, and disaster routing inspection.

The drone 100 includes a fuselage 101, an arm 102, a battery 105, a reservoir 103, a sprinkler 15, and landing gear 104. The horn 102, the reservoir 103, the battery 105, and the landing gear 104 are mounted to the fuselage 101.

In this embodiment, the number of the horn 102 is two, but in other embodiments, a multi-rotor structure may be provided, such as three or four, or even more, and this embodiment is not limited. Meanwhile, each horn 102 includes a first end and a second end, the first end of each horn 102 is rotatably connected to the body 101, and the second end of each horn 102 extends in a direction away from the body 101. The sprinkler 15 as described above is rotatably secured to the second end of the horn 102.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship merely for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present application. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principles of the present application have been described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the present application and is not to be construed in any way as limiting the scope of the application. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present application without inventive effort, which shall fall within the scope of the present application.

Claims (18)

1. A spray rod mounting structure is characterized by comprising a spray rod (154), a mounting seat (151) and a connecting assembly (152) for connecting the spray rod (154) and the mounting seat (151), wherein mounting holes are correspondingly formed in the spray rod (154) and the mounting seat (151), and the connecting assembly (152) penetrates through the mounting holes to connect the spray rod (154) and the mounting seat (151) at two sides;

the connecting assembly (152) comprises a limiting assembly and a knob piece (1521), and the knob piece (1521) is in threaded connection with the limiting assembly; an axial limiting structure is arranged on the knob piece (1521) and the mounting seat (151) in a matched mode, so that the knob piece (1521) can rotate relative to the mounting seat (151) and cannot move axially; the limiting assembly and the spray rod (154) are matched with each other and provided with a circumferential limiting structure, so that the limiting assembly can axially move relative to the spray rod (154) and cannot rotate, and the limiting assembly can axially move by rotating the knob piece (1521) to adjust the clamping degree of the spray rod (154) and the mounting seat (151).

2. The spray bar mounting structure of claim 1 wherein the axial stop structure comprises an axial stop slot (15151) and an axial stop catch (15213) that snap fit to each other.

3. The spray bar mounting structure of claim 2, characterized in that the axial limit groove (15151) is provided on the mounting seat (151) and the axial limit catch (15213) is provided on the knob piece (1521).

4. The spray bar mounting structure of claim 1, characterized in that the knob member (1521) comprises a knob portion (15211) and a connecting portion (15212), wherein an external thread is arranged on the connecting portion (15212), an internal thread is arranged on the limiting assembly, and the knob member (1521) and the limiting assembly are connected in a matching manner through the external thread and the internal thread.

5. The spray bar mounting structure of claim 1, characterized in that a limit tooth (15214) is arranged on the periphery of the knob member (1521), an elastic abutting member (155) is arranged on the mounting seat (151) corresponding to the limit tooth (15214), and the elastic abutting member (155) is arranged to cooperate with the limit tooth (15214) to limit the rotation of the knob member (1521) in a first direction and allow the rotation of the knob member (1521) in a direction opposite to the first direction.

6. The spray bar mounting structure of claim 5, wherein the mounting seat (151) is provided with an abutting piece mounting groove (15121), the elastic abutting piece (155) is mounted in the abutting piece mounting groove (15121), the abutting piece mounting groove (15121) is provided with a through portion (15122) communicated with two side faces of the mounting seat (151), and an abutting end of the elastic abutting piece (155) extends to the other side of the mounting seat (151) through the through portion (15122) to be matched with the limiting tooth (15214).

7. The spray bar mounting structure according to any one of claims 1-6, characterized in that the limiting assembly is provided with a circumferential limiting protrusion (15232) along the axial direction thereof, a circumferential limiting groove (15152) is provided on the spray bar (154) corresponding to the circumferential limiting protrusion (15232), and the circumferential limiting protrusion (15232) and the circumferential limiting groove (15152) constitute the circumferential limiting structure.

8. The boom mounting structure of claim 7, characterized in that the limit stop assembly comprises a connecting piece (1523), the connecting piece (1523) is provided with an internal thread matching with the knob piece (1521), and the circumferential limit protrusion (15232) is arranged on the periphery of the connecting piece (1523).

9. The spray bar mounting structure of claim 8, characterized in that the mounting holes comprise a first mounting hole (15414) on the spray bar (154) and a second mounting hole (1513) on the mount (151), the first mounting hole (15414) being disposed coaxially with the second mounting hole (1513).

10. The spray bar mounting structure of claim 9, characterized in that the spray bar (154) has an engagement portion (1541), the first mounting hole (15414) is disposed on the engagement portion (1541), the mount (151) has a mounting portion (1511) that mates with the engagement portion (1541), and the second mounting hole (1513) is disposed on the mounting portion (1511).

11. The spray bar mounting structure of claim 10, wherein the mounting portion (1511) defines a circular mounting groove (1512), and the second mounting hole (1513) is coaxially disposed with and in communication with the mounting groove (1512).

12. The spray bar mounting structure of claim 11, wherein a plurality of positioning posts (1514) are disposed on the mounting slot (1512), the plurality of positioning posts (1514) are evenly distributed about an axis of the second mounting hole (1513), and a positioning slot (15412) is disposed on the engagement portion (1541) for engagement with the positioning posts (1514).

13. The spray bar mounting structure of claim 12, characterized in that a receiving groove (15413) is provided on the mating portion (1541) on a side opposite the positioning groove (15412), the check assembly being disposed in the receiving groove (15413).

14. The spray bar mounting structure of claim 13, characterized in that the mounting socket (151) is provided with a connection post (1515), the circumferential retaining groove (15152) being provided on the connection post (1515).

15. The spray bar mounting structure of claim 14, wherein the check assembly further comprises an elastic member (1522), the elastic member (1522) being disposed between the connector (1523) and the fitting (1541).

16. The spray bar mounting structure of claim 13, wherein the limiting assembly further comprises a locking member (1524) for limiting the limiting assembly in the receiving groove (15413), a buckle (15241) is disposed on the locking member (1524), a buckle (15241) groove is disposed on an inner wall of the receiving groove (15413), and the buckle (15241) groove are matched to realize connection between the locking member (1524) and the matching portion (1541).

17. A spraying device (15) comprising a spray head (153), a spray bar (154) and a mounting (151), the spray bar (154) being mounted by a spray bar mounting structure according to any one of claims 1-16.

18. An unmanned aerial vehicle, characterized by having a spraying device (15) according to claim 17.

Images