CN112335628A - Spraying device, spraying system and unmanned equipment - Google Patents

Abstract

The invention discloses a spraying device, a spraying system and unmanned equipment, wherein the spraying device comprises: the driving component comprises a driving motor and a shell, the shell is provided with a mounting cavity, the driving motor comprises a driving shaft and a motor body, at least part of the motor body is accommodated in the mounting cavity and comprises a stator and a rotor, and the rotor is connected with the driving shaft; a spray member comprising a spray tray; and the connecting part comprises a connecting shaft and a coupler, one end of the connecting shaft is connected with the spraying disc, and the other end of the connecting shaft is connected with the driving shaft through the coupler. According to the spraying device, the spraying part and the driving part are connected through the coupler, so that the spraying device has a good anti-shaking and vibration-damping function, the driving motor is not prone to damage, the service life is long, and the service lives of a spraying system with the spraying device and unmanned equipment with the spraying device can be prolonged.

Description

Spraying device, spraying system and unmanned equipment

Technical Field

The invention relates to the technical field of unmanned equipment, in particular to a spraying device, a spraying system and the unmanned equipment.

Background

The sprinkler is the important device of unmanned equipment spraying operation process of plant protection, and it includes: the spraying device comprises a driving motor and a spraying disc, wherein the driving motor provides power for the spraying disc, the driving motor is contained in a shell of the driving motor, a through hole is formed in the shell, a driving shaft of the driving motor penetrates out of the through hole and is fixedly connected with the spraying disc, and in the operation process, the driving shaft of the driving motor drives the spraying disc to rotate so that the spraying disc sprays materials. However, the drive motor in the related art is easily damaged and has a short service life.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a spraying device, wherein a driving motor of the spraying device is not easy to damage and has long service life.

The invention also provides a spraying system with the spraying device and unmanned equipment.

A spraying device according to an embodiment of the first aspect of the invention comprises: the driving component comprises a driving motor and a shell, the shell is provided with an installation cavity, the driving motor comprises a driving shaft and a motor body, at least part of the motor body is accommodated in the installation cavity, the motor body comprises a stator and a rotor, and the rotor is connected with the driving shaft; a spray member comprising a spray tray; and the connecting part comprises a connecting shaft and a coupler, one end of the connecting shaft is connected with the spraying disc, and the other end of the connecting shaft is connected with the driving shaft through the coupler.

According to the spraying device, the spraying part and the driving part are connected through the coupler, so that the spraying device has a good anti-shaking and vibration-damping function, the driving motor is not prone to damage, the service life is long, and the service lives of a spraying system with the spraying device and unmanned equipment with the spraying device can be prolonged.

In some embodiments, the housing further has a boss portion, and the connecting member further includes: the bearing sleeve is arranged outside the connecting shaft and penetrates through the shaft sleeve part to be matched between the connecting shaft and the shaft sleeve part.

In some embodiments, the housing comprises: a mounting housing, the mounting cavity being formed within the mounting housing; the connecting shell, the axle sleeve portion sets up on the connecting shell, the installation shell with the connecting shell can be dismantled and link to each other, just the installation shell with inject between the connecting shell and be used for accomodating the chamber of accomodating of shaft coupling.

In some embodiments, in the axial direction of the connecting shaft, one of a waterproof rib and a waterproof groove is provided on one side surface of the mounting housing facing the mounting housing, the other of the waterproof rib and the waterproof groove is provided on one side surface of the mounting housing facing the mounting housing, the waterproof groove is annular, the waterproof rib is also annular and is inserted into the waterproof groove, a waterproof gasket is provided between the waterproof rib and the waterproof groove, and the connecting shaft is inserted into an inner ring area of the waterproof groove.

In some embodiments, the motor body is connected to the mounting housing by a fastener, and the connecting housing is connected to the mounting housing by a connector, wherein the fastener is located in an inner ring region of the watertight slot and the connector is located in an outer ring region of the watertight slot.

In some embodiments, the spray device further comprises: a seal member, the seal member comprising: the mounting cover is connected with the shell, the connecting shaft penetrates through the mounting cover, and the sealing element is sleeved outside the connecting shaft and located in the mounting cover to seal the mounting cover and the connecting shaft.

In some embodiments, the seal member abuts against a side of the boss portion away from the motor body, and the mounting cover restricts movement of the seal member toward a direction away from the motor body.

In some embodiments, the shaft diameter of the connecting shaft is smaller than the shaft diameter of the drive shaft.

In some embodiments, the spray disk comprises a connection column extending along an axis of the centrifugal rotor disk and connected to the centrifugal rotor disk, and the one end of the connection shaft is connected to the connection column.

The spraying system according to the embodiment of the second aspect of the invention comprises a storage tank, a pump set and a spraying device, wherein the pump set is respectively connected with the storage tank and the spraying device so as to convey the material in the storage tank to the spraying device, and the spraying device is the spraying device according to the embodiment of the first aspect of the invention.

An unmanned device according to an embodiment of the third aspect of the invention comprises a spraying apparatus according to an embodiment of the first aspect of the invention or a spraying system according to an embodiment of the second aspect of the invention.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a cross-sectional view of a spray device according to one embodiment of the present invention;

FIG. 2 is an exploded view of a sprinkler according to one embodiment of the present invention;

FIG. 3 is a perspective view of a mounting housing according to one embodiment of the invention;

FIG. 4 is a perspective view of a mounting housing according to one embodiment of the invention;

FIG. 5 is a perspective view of a connection housing according to one embodiment of the present invention;

FIG. 6 is a perspective view of a connection housing according to one embodiment of the present invention;

FIG. 7 is a perspective view of a mounting cap according to one embodiment of the present invention;

FIG. 8 is a perspective view of a baffle according to one embodiment of the present invention;

FIG. 9 is a front view of a spray device according to one embodiment of the present invention;

FIG. 10 is a perspective view of a coupling according to one embodiment of the present invention;

fig. 11 is an exploded view of a coupling according to one embodiment of the present invention.

Reference numerals:

a spraying device 100;

a drive member 1;

a drive motor 11; a drive shaft 111; a motor body 112;

a housing 12; a mounting case 121; a case body 1210; the first surface S1;

a mounting cavity 1211; a waterproof slot 1212;

a first via 1213; a through-hole 1214;

a fixing part 1215; a connecting portion 1216;

a mounting post 1217;

a connection housing 122; a second surface S2;

a boss portion 1221; waterproof ribs 1222; a second via 1223;

a connection substrate 1224; connecting flange 1225; a connection hole 1226;

mating posts 1227; a receiving cavity 123; a support cavity 124;

a connection cover 123; an installation groove 1231;

a spraying part 2; a spray plate 21; a connecting column 211; a centrifugal turntable 212;

a flow guide 22; a material chamber 221; a discharge port 222; a through-shaft hole 223; a connecting seat 224;

a draft tube 23;

a connecting member 3; a connecting shaft 31; a coupling 32; a bearing 33;

the first connection portion 321; the first meshing tooth 3211; a first gullet 3212; a first center shaft hole 3210;

a second connecting portion 322; the second engaging teeth 3221; a second gear groove 3222; a second central axial aperture 3220;

a torque transmission section 323; the third meshing tooth 3231; a third gullet 3232;

a sealing member 4; a mounting cover 41; a seal 42;

and a control circuit board 5.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.

Hereinafter, a sprinkler 100 according to an embodiment of the first aspect of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1, the spray apparatus 100 may include: the spraying device comprises a driving component 1, a spraying component 2 and a connecting component 3, wherein the driving component 1 comprises a driving motor 11 and a shell 12, for example, a mounting cavity 1211 is arranged in the shell 12, the driving motor 11 comprises a driving shaft 111 and a motor body 112, the motor body 112 comprises a stator and a rotor, at least part of the motor body 112 is accommodated in the mounting cavity 1211, and the driving shaft 111 is connected with the rotor.

As shown in fig. 1, the spray member 2 includes a spray tray 21, the connection member 3 includes a connection shaft 31 and a coupling 32, one end of the connection shaft 31 is connected to the spray tray 21, and the other end of the connection shaft 31 is connected to the driving shaft 111 of the driving motor 11 through the coupling 32. In this way, when the spraying device 100 is operated, the driving motor 11 can drive the spraying tray 21 to rotate through the connecting member 3, so that the spraying tray 21 performs a spraying operation.

Therefore, according to the spraying device 100 of the embodiment of the invention, the driving shaft 111 is not directly connected with the spraying disc 21 to realize transmission, but the driving shaft 111 is indirectly connected with the spraying disc 21 to realize transmission by arranging the coupler 32, so that the problem that the driving shaft 111 of the driving motor 11 is floated and seriously abraded by the driving shaft 111 and windings inside the driving motor 11 due to the vibration influence of the spraying disc 21 and/or the vibration influence of the flight of the unmanned device and the like in the working process of the unmanned device can be solved, the damage probability of the driving motor 11 is further reduced, and the service life of the driving motor 11 is prolonged.

In short, according to the spraying device 100 of the embodiment of the present invention, the coupling 32 is adopted to connect the spraying part 2 and the driving part 1, so that the spraying device 100 has a good anti-shake and vibration-damping function, and the driving motor 11 is not easily damaged and has a long service life.

In some embodiments of the present invention, as shown in fig. 1, the housing 12 further includes a bushing portion 1221, the connecting member 3 further includes a bearing 33, the connecting shaft 31 is disposed through the bushing portion 1221, the bearing 33 is sleeved outside the connecting shaft 31 and disposed through the bushing portion 1221 to fit between the connecting shaft 31 and the bushing portion 1221, so that the connecting shaft 31 can be rotatably supported on the housing 12 by disposing the bushing portion 1221 and the bearing 33, so that the housing 12 provides a support and a limit for the connecting shaft 31, and the housing 12 absorbs the vibration transmitted from the spraying tray 21 to the connecting shaft 31, thereby reducing the vibration transmitted from the connecting shaft 31 to the driving shaft 111, further improving the damage problem of the driving motor 11 and prolonging the service life of the driving motor 11.

Therefore, according to the spraying device 100 of the embodiment of the present invention, the driving shaft 111 is not directly connected to the spraying tray 21 to realize transmission, but the driving shaft 111 is indirectly connected to the spraying tray 21 to realize transmission by the arrangement of the coupling 32, and the housing 12 supports the connecting shaft 111 by the arrangement of the boss 1221 and the bearing 33, so that the problem that the driving shaft 111 of the driving motor 11 floats to cause severe abrasion of the driving shaft 111 and the winding inside the driving motor 11 due to the influence of vibration of the spraying tray 21 and/or the influence of vibration of flight of the unmanned device in the working process of the unmanned device can be avoided, thereby reducing the damage probability of the driving motor 11 and prolonging the service life of the driving motor 11.

In some embodiments of the present invention, as shown in fig. 1, the driving motor 11 includes a motor body 112 and a driving shaft 111, one end of the driving shaft 111 is connected to the motor body 112, and the other end of the driving shaft 111 is connected to the coupling 32, wherein the motor body 112 may include a stator and a rotor, and the driving shaft 111 is connected to the rotor to be driven to rotate by the rotor. In the embodiment of the present invention, the type of the driving motor 11 is not limited, for example, the driving motor 11 may be a brushless motor or a brush motor, or the like.

In some embodiments of the present invention, as shown in fig. 1 and 2, the housing 12 includes a mounting case 121 and a connecting case 122, a mounting cavity 1211 is formed in the mounting case 121, a boss portion 1221 is disposed on the connecting case 122, the mounting case 121 is detachably connected to the connecting case 122, and a receiving cavity 123 for receiving the coupling 32 is defined between the mounting case 121 and the connecting case 122. Thus, the housing 12 is provided as a separate member, which facilitates the attachment of the connection member 3, and the housing cavity 123 protects the coupling 32, thereby improving the service life of the connection member 3.

In some embodiments of the present invention, as shown in fig. 4 and 6, in the axial direction of the connecting shaft 31, one of the waterproof rib 1222 and the waterproof groove 1212 is provided on a side surface (the first surface S1 shown in fig. 4) of the mounting housing 121 facing the connecting housing 122, the other of the waterproof rib 1222 and the waterproof groove 1212 is provided on a side surface (the second surface S2 shown in fig. 6) of the connecting housing 122 facing the mounting housing 121, the waterproof groove 1212 is annular, the waterproof rib 1222 is also annular and is inserted into the waterproof groove 1212, and the connecting shaft 31 is inserted into an inner ring region of the waterproof groove 1212.

From this, through setting up waterproof protruding muscle 1222 and the waterproof groove 1212 that encircles connecting axle 31 to can improve the problem of connecting axle 31 department feed liquor, and then avoid the material to pass through adapting unit 3 flow direction driving motor 11, prevent that driving motor 11 from being damaged, improve driving motor 11's life and operational reliability. In addition, in order to further enhance the waterproof effect, a waterproof gasket or the like may be disposed between the waterproof rib 1222 and the waterproof groove 1212, which is not described herein. In addition, it should be noted that the spraying device 100 according to the embodiment of the present invention is not limited to be used for spraying liquid materials, and may also be used for spraying other states of fluid, such as solid particulate materials, powder materials, etc., for the sake of simplifying the description, the spraying liquid is only used as an example for illustration, but not as a limitation to the present invention.

For example, in some specific examples, as shown in fig. 4 and 6, the first surface S1 has a waterproof slot 1212 and a first through hole 1213 thereon, the first through hole 1213 is located in an inner ring region of the waterproof slot 1212, the second surface S2 has a waterproof rib 1222 and a second through hole 1223 thereon, the second through hole 1223 is located in an inner ring region of the waterproof rib 1222, and the connecting shaft 31 is inserted through the first through hole 1213 and the second through hole 1223 to be inserted through the inner ring region of the waterproof slot 1212.

In some embodiments of the present invention, the motor body 112 is connected to the mounting housing 121 by a fastener, and the connection housing 122 is connected to the mounting housing 121 by a connection member, wherein the fastener is located in an inner ring region of the waterproof groove 1212, and the connection member is located in an outer ring region of the waterproof groove 1212. Therefore, by arranging the fastener in the inner ring area of the waterproof groove 1212, the matching of the waterproof ribs 1222 and the waterproof groove 1212 can be utilized, the problem of liquid inlet at the motor body 112 of the driving motor 11 is improved, the driving motor 11 is prevented from being damaged by materials, the service life and the working reliability of the driving motor 11 are improved, and the connector is arranged in the outer ring area of the waterproof groove 1212, so that the connector can be simply and effectively utilized, the connecting shell 122 and the mounting shell 121 are connected together, and an operation space is provided.

For example, in some specific examples, the fasteners and the connectors may be threaded connectors, such as screws or bolts, and in this case, threaded holes or columns may be provided at corresponding positions of the mounting housing 121 and the connecting housing 122, so that the assembly may be simply and efficiently achieved.

In some embodiments of the present invention, as shown in fig. 1, the sprinkler 100 further comprises a sealing member 4, the sealing member 4 comprising: the mounting cover 41 is connected to the housing 12, the connecting shaft 31 is inserted into the mounting cover 41, and the sealing member 42 (e.g., a waterproof rubber ring) is sleeved outside the connecting shaft 31 and inside the mounting cover 41 to seal between the mounting cover 41 and the connecting shaft 31. From this, can utilize seal part 4, improve the problem of connecting axle 31 department feed liquor, and then avoid the material to pass through adapting unit 3 flow direction driving motor 11, prevent that driving motor 11 from being damaged, improve driving motor 11's life and operational reliability.

In some embodiments of the present invention, as shown in fig. 1, the sealing member 42 is stopped against a side of the boss portion 1221 away from the motor body 112, and the mounting cover 41 limits the movement of the sealing member 42 toward a direction away from the motor body 112. Therefore, the sealing element 42 can be axially limited along the connecting shaft 31 by the mounting cover 41 and the shaft sleeve part 1221, so that the working reliability of the sealing element 42 is improved, and the assembly of the sealing element 42 is facilitated.

In some embodiments of the present invention, as shown in fig. 1, the mounting cap 41 is screwed to the boss portion 1221, and in conjunction with fig. 5 and 7, one of the mounting cap 41 and the boss portion 1221 has an internal thread and the other has an internal thread, and the mounting cap 41 and the boss portion 1221 are screwed together by the matching of the internal thread and the external thread.

In some embodiments of the present invention, as shown in fig. 1, the shaft diameter of the connecting shaft 31 is smaller than the shaft diameter of the driving shaft 111. Thus, when the seal member 42 is rotatably and sealingly engaged with the connecting shaft 31 instead of the drive shaft 111, the frictional area can be reduced, thereby reducing frictional loss, extending the life and working efficiency of the seal member 42, and reducing the power consumption of the drive motor 11. In other words, in the spraying device in the related art, the driving shaft is directly and rigidly connected with the spraying disc, so that the sealing element is sleeved on the driving shaft, and the shaft diameter of the driving shaft is fixed and larger, so that the abrasion between the sealing element and the driving shaft is larger, and the energy consumption of the driving motor is higher.

In some embodiments of the present invention, as shown in fig. 1 and 2, the spraying disk 21 includes a connecting column 211 and a centrifugal rotating disk 212 (or centrifugal spraying disk), the connecting column 211 extends along an axial direction of the centrifugal rotating disk 212 and is connected to the centrifugal rotating disk 212, and one end of the connecting shaft 31 is connected to the connecting column 211. Thus, since the spray plate 21 has the connection post 211, the connection of the connection shaft 31 to the spray plate 21 is facilitated. Of course, the present invention is not limited to this, for example, in other embodiments of the present invention, a connecting shaft hole may also be provided on the centrifugal turntable 212, and the connecting shaft 31 may be connected with the connecting shaft hole on the centrifugal turntable 212, which is not described herein again.

In a specific example of the present invention, as shown in fig. 3 and 4, the mounting case 121 includes a case body 1210, a mounting cavity 1211 with an opening at an upper end is formed in the case body 1210, the mounting cavity 1211 is adapted to receive at least a portion of the motor body 112 of the driving motor 11, and a first through hole 1213 and a through hole 1214 are formed through a bottom wall of the mounting cavity 1211. The motor body 112 of the driving motor 11 is fitted into the mounting cavity 1211, the driving shaft 111 is penetrated through the first through hole 1213, and the fastener is fixed to the motor body 112 of the driving motor 11 through the through hole 1214 to fix the driving motor 11 to the mounting case 121.

In one embodiment of the present invention, as shown in fig. 3 and 4, a fixing part 1215 further extends from the upper end of the outer circumferential surface of the housing body 1210, and a connecting part 1216 further extends from the outer circumference of the fixing part 1215 vertically, for example, the fixing part 1215 is adapted to be connected to other components of the spraying device 100, and the connecting part 1216 is adapted to fixedly connect the spraying device 100 to other carriers of the unmanned aerial vehicle. As shown in fig. 1 and 3, for example, the housing 12 further includes a connection cover 123, and the connection cover 123 covers the top opening of the installation cavity 1211 to seal the installation cavity 1211. The connection cover 123 is adapted to be connected with the fixing part 1215. The upper end of the connecting cover body 123 can be further provided with a mounting groove 1231, the mounting groove 1231 is suitable for accommodating the control circuit board 5, the bottom wall of the mounting groove 1231 can also be provided with a wire passing hole, and the connecting circuit of the control circuit board 5 and the driving motor 11 passes through the wire passing hole.

In a specific example of the present invention, as shown in fig. 3 and 4, a mounting column 1217 and a waterproof groove 1212 are provided on a bottom wall of the mounting case 121, wherein the waterproof groove 1212 is located at an outer periphery of the first through hole 1213 and the through hole 1214, and the mounting column 1217 is located at an outer periphery of the waterproof groove 1212. As shown in fig. 5 and 6, the connection housing 122 includes a connection base 1224 and a connection flange 1225 extending vertically along the outer periphery of the connection base 1224. As shown in fig. 6, the connection substrate 1224 is provided with a second via 1223 and a connection hole 1226 penetrating through two end surfaces thereof, the driving shaft 111 penetrates through the second via 1223, the upper end surface of the connection substrate 1224 is provided with a waterproof rib 1222 located at the outer circumferential edge of the second via 1223 and extending upward perpendicular to the connection substrate 1224, the waterproof rib 1222 is engaged with the waterproof groove 1212, and a waterproof gasket may be disposed between the waterproof rib 1222 and the waterproof groove 1212. The connection housing 122 is disposed at the lower end of the mounting housing 121, and a connection member, such as a screw, is passed through the connection hole 1226 from the bottom up and is screw-coupled with the mounting post 1217, thereby connecting the connection housing 122 and the mounting housing 121 together.

As shown in fig. 5 and 6, the lower end surface of the connection substrate 1224 has a fitting column 1227 which is located at the outer periphery of the second through hole 1223 and extends downward perpendicular to the connection substrate 1224, and in combination with fig. 1, a first fitting groove (e.g., at the receiving cavity 123 shown in fig. 1) and a second fitting groove (e.g., at the supporting cavity 124 shown in fig. 1) which are communicated with each other are formed in the fitting column 1227, the first fitting groove is used for receiving the coupler 32, the second fitting groove is used for disposing the bearing 33, the portion of the fitting column 1227 where the supporting cavity 124 is formed is a boss portion 1221, the connection shaft 31 is inserted through the first fitting groove and the second fitting groove and is inserted through the central hole of the bearing 33, the upper end of the connection shaft 31 is connected to the coupler 32, and the lower end of the connection shaft 31 is connected to the connection column 211.

As shown in fig. 5, an outer peripheral surface of one end of the fitting post 1227 remote from the connection substrate 1224 is formed with an external thread. As shown in fig. 1, the spraying device 100 further includes a sealing member 4, the sealing member 4 includes a mounting cover 41 and a sealing member 42, the waterproof rubber ring is sleeved on the connecting shaft 31, with reference to fig. 7, an internal thread is formed in the mounting cover 41, the mounting cover 41 and the fitting post 1227 are screwed through the fitting of the internal thread and the external thread to fix the sealing member 42, the connecting shaft 31 is penetrated through a central hole of the sealing member 42, and the sealing member 42 is sealed between the connecting shaft 31 and the mounting cover 41.

In some embodiments of the present invention, as shown in fig. 1-3 and 8-9, the spraying part 2 further includes a flow guide member 22 and a flow guide tube 23, the flow guide member 22 is disposed below the connecting housing 122, the flow guide member 22 defines a material cavity 221 therein, a feeding port of the flow guide tube 23 is fitted between the connecting housing 122 and the flow guide member 22 and is communicated with the material cavity 221 to feed the material cavity 221, and a discharge port 222 communicated with the material cavity 221 is formed on a bottom wall of the flow guide member 22 to discharge the material of the material cavity 221 from the discharge port 222 to the spraying tray 21.

In addition, as shown in fig. 1, the bottom wall of the diversion member 22 further has a through shaft hole 223, the connection column 211 is arranged through the through shaft hole 223, and the connection shaft 31 penetrates through the connection column 211 to connect with the connection column 211. The mounting cover 41 is positioned in the guide member 22, so that the material in the guide member 22 can be prevented from flowing back to the driving motor 11 along the connecting shaft 31 through the mounting cover 41 by providing the sealing member 42, and the like, thereby ensuring the operational reliability of the driving motor 11. Further, as shown in fig. 1, a part of the mounting cover 41 may also be inserted into the through-shaft hole 223 to improve the waterproof sealing effect.

Therefore, according to the spraying device 100 provided by the embodiment of the invention, the connecting column 211 is arranged to connect the centrifugal turntable 212 with the connecting shaft 31, the connecting shaft 31 is connected with the driving shaft 111 through the coupler 32, and the centrifugal turntable 212 cannot cause the connecting shaft 31 to move in the axial direction and the radial direction due to the vibration generated by the vibration of the unmanned equipment, so that the motor body 112 is prevented from being abraded due to the axial direction and the radial direction of the driving shaft 111. Meanwhile, the driving shaft 111 is connected with the connecting column 211 through the coupler 32 and the connecting shaft 31, and when the shaft diameter of the connecting shaft 31 is smaller than that of the driving shaft 111, the friction area between the driving shaft 111 and the sealing member 42 is smaller, so that the spraying device 100 is better in waterproof effect and lower in energy consumption.

It should be noted that the specific type of the coupling 32 used according to the embodiment of the present invention is not limited, and may be selected according to actual requirements. For example, the coupling 32 according to one specific example of the invention is described below with reference to fig. 10 to 11, but the coupling 32 of the invention is not limited thereto.

Referring to fig. 10-11, the coupling 32 may include a first connection portion 321, a second connection portion 322, and a torque transmission portion 323. The first connecting portion 321 has a plurality of first engaging teeth 3211, a first tooth groove 3212 is defined between two adjacent first engaging teeth 3211, the second connecting portion 322 has a plurality of second engaging teeth 3221, a second tooth groove 3222 is defined between two adjacent second engaging teeth 3221, a plurality of third engaging teeth 3231 are provided on the torque transmission portion 323, and a third tooth groove 3232 is defined between two adjacent third engaging teeth 3231.

Referring to fig. 10 to 11, one second engagement tooth 3221 is fitted to a corresponding one of the third tooth grooves 3232, two third engagement teeth 3231 defining the third tooth groove 3232 are fitted to a corresponding one of the first tooth grooves 3212, the two first engagement teeth 3211 defining the first tooth grooves 3212 are respectively fitted to the third tooth grooves 3232 on both sides of the two third engagement teeth 3231, and the two third engagement teeth 3231 defining each of the two third tooth grooves 3212 are fitted to a corresponding one of the second tooth grooves 3222.

Referring to fig. 1, the first connection part 321 is connected to the connection column 211 of the spray tray 21, for example, the connection column 211 may penetrate into a central shaft hole of the first connection part 321, i.e., a first central shaft hole 3210, and the connection column 211 and the first connection part 321 are locked by screws extending in a radial direction of the connection column 211. The second coupling portion 322 is coupled to a portion of the driving shaft 111 protruding out of the mounting cavity 1211, for example, the driving shaft 111 may be inserted into a central shaft hole 3220 of the second coupling portion 322, and the driving shaft 111 and the second coupling portion 322 may be fastened by a screw extending in a radial direction of the driving shaft 111. The coupling 32 is thus simple in construction and can simply and reliably transmit torque from the drive motor 11 to the spray disc 21.

In the following, a sprinkling system according to an embodiment of the second aspect of the present invention is described.

In some embodiments of the present invention, the unmanned aerial vehicle may include a spraying system, which may include a storage tank, a pump unit, and the spraying device 100, wherein the pump unit is connected to the storage tank and the spraying device 100, respectively, so as to convey the material in the storage tank to the spraying device 100 by using the pump unit for centrifugal spraying by the spraying device 100. When the material to be sprayed is liquid medicine, the pump set can adopt a peristaltic pump and the like, so that the liquid medicine can be sprayed. Thus, according to the spraying system of the embodiment of the present invention, by providing the spraying device 100 of any one of the embodiments of the first aspect, the service life of the spraying system can be prolonged.

In the following, an unmanned aerial device according to an embodiment of the third aspect of the invention is described.

In some embodiments of the present invention, the unmanned aerial vehicle according to embodiments of the present invention may include a body and the spraying device 100, the spraying device 100 is mounted on the body, and the spraying device 100 is the spraying device 100 according to any one of the embodiments of the first aspect of the present invention. Therefore, according to the unmanned aerial vehicle provided by the embodiment of the invention, the service life can be prolonged by arranging the spraying device 100 provided by any one of the embodiments of the first aspect. It should be noted that the specific type of the unmanned device according to the embodiment of the present invention is not limited, and for example, the unmanned device may be an unmanned aerial vehicle, an unmanned vehicle, or even an unmanned ship, and the like, which is not limited herein.

In some embodiments of the invention, the drone may include a spraying system, the spraying system being a spraying system of an embodiment of the second aspect of the invention. Therefore, according to the unmanned aerial vehicle provided by the embodiment of the invention, the service life of the unmanned aerial vehicle can be prolonged by arranging the spraying system provided by the embodiment of the second aspect.

Other configurations of unmanned devices according to embodiments of the present invention, such as paddles, arms, frames, etc., and operations are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (11)

1. A spraying device (100) characterized in that it comprises:

a driving part (1), wherein the driving part (1) comprises a driving motor (11) and a shell (12), the shell (12) is provided with a mounting cavity (1211), the driving motor (11) comprises a driving shaft (111) and a motor body (112), at least part of the motor body (112) is received in the mounting cavity (1211), the motor body (112) comprises a stator and a rotor, and the rotor is connected with the driving shaft (111);

a spray member (2), the spray member (2) comprising a spray disc (21); and

connecting part (3), connecting part (3) are including connecting axle (31) and shaft coupling (32), the one end of connecting axle (31) with spray disc (21) link to each other, the other end of connecting axle (31) passes through shaft coupling (32) with drive shaft (111) link to each other.

2. The sprinkler (100) according to claim 1, characterized in that the housing (12) further has a boss portion (1221), the connecting member (3) further comprising: the bearing (33), the bearing (33) cover is located outside connecting axle (31) and wear to locate axle sleeve portion (1221), in order to cooperate connecting axle (31) with between the axle sleeve portion (1221).

3. The spray device (100) of claim 2, wherein the housing (12) comprises:

a mounting case (121), the mounting cavity (1211) being formed within the mounting case (121);

the connecting shell (122), the shaft sleeve part (1221) is arranged on the connecting shell (122), the mounting shell (121) is detachably connected with the connecting shell (122), and a containing cavity (123) for containing the shaft coupling (32) is defined between the mounting shell (121) and the connecting shell (122).

4. A sprinkler (100) according to claim 3, characterized in that in the axial direction of the connecting shaft (31), the mounting housing (121) has one of a waterproof rib (1222) and a waterproof groove (1212) on a side surface thereof facing the mounting housing (122), the connecting housing (122) has the other of the waterproof rib (1222) and the waterproof groove (1212) on a side surface thereof facing the mounting housing (121), the waterproof groove (1212) is annular, the waterproof rib (1222) is also annular and is inserted into the waterproof groove (1212), a waterproof gasket is provided between the waterproof rib (1222) and the waterproof groove (1212), and the connecting shaft (31) is inserted into an inner annular region of the waterproof groove (1212).

5. A spraying device (100) according to claim 4, characterized in that the motor body (112) is connected to the mounting housing (121) by means of a fastening element and the connection housing (122) is connected to the mounting housing (121) by means of a connection element, wherein the fastening element is located in the inner ring area of the flashing channel (1212) and the connection element is located in the outer ring area of the flashing channel (1212).

6. The spray device (100) of claim 2, further comprising:

a sealing member (4), the sealing member (4) comprising: installation lid (41) and sealing member (42), installation lid (41) with shell (12) are connected, connecting axle (31) wear to locate installation lid (41), sealing member (42) cover is located outside connecting axle (31) and be located in installation lid (41), with sealed installation lid (41) with between connecting axle (31).

7. The spray device (100) of claim 6, wherein the seal (42) rests against a side of the boss portion (1221) remote from the motor body (112), and the mounting cap (41) limits movement of the seal (42) in a direction away from the motor body (112).

8. The spraying device (100) according to claim 1, characterized in that the shaft diameter of the connecting shaft (31) is smaller than the shaft diameter of the drive shaft (111).

9. A spraying device (100) according to any one of claims 1-8, characterized in that the spraying disc (21) comprises an attachment column (211) and a centrifugal turntable (212), the attachment column (211) extending along the axis of the centrifugal turntable (212) and being connected to the centrifugal turntable (212), the one end of the connecting shaft (31) being connected to the attachment column (211).

10. A spraying system comprising a storage tank, a pump set and a spraying device (100), wherein the pump set is connected with the storage tank and the spraying device (100) respectively to convey the material in the storage tank to the spraying device (100), and the spraying device (100) is the spraying device (100) according to any one of claims 1 to 9.

11. An unmanned aerial device, comprising a spraying apparatus (100) according to any one of claims 1-9, or a spraying system according to claim 10.

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