CN207054605U - Flusher and unmanned plane - Google Patents

Abstract

The utility model provides a kind of flusher and unmanned plane, wherein, flusher includes：Disk is sprayed, sprinkling disk is used to spray liquid；Driving structure, driving structure include driving body and drive shaft, drive ontology-driven drive shaft turns；Housing, housing form installing space, and driving body is installed in installing space, and housing is provided with punched out, and drive shaft is passed by punched out and is fixedly connected afterwards with sprinkling disk；Seal washer, seal washer are sheathed in drive shaft, and the outer wall of seal washer and the hole wall of punched out support sealing, wherein, the inwall of seal washer is provided with holding tank in a ring, contacts to form sealing with the axial plane of drive shaft filled with sealing filled media, sealing filled media in holding tank.It can solve the problem that between the rotary shaft of flusher present in prior art and seal washer the bad technical problem for causing Liquid Penetrant of sealing be present using the technical program.

Description

Flusher and unmanned plane

Technical field

The utility model belongs to unmanned plane equipment technical field, more specifically, be related to a kind of flusher and nobody Machine.

Background technology

In recent years, as multi-rotor aerocraft technology (i.e. unmanned air vehicle technique) is quickly grown, because unmanned plane has motor-driven spirit Work, rapid reaction, unmanned flight, operation require low advantage, application of the unmanned plane in multiple fields are caused, particularly in agriculture Industry plant protection field, sprinkling work is carried out to crops using plant protection unmanned plane, not only increases sprinkling operating efficiency, and effectively Protect mass peasants not injured by sprinkling decoction, protect the health of mass peasants.

In the plant protection unmanned plane of prior art, crops are carried out in the sprinkling course of work using plant protection unmanned plane, planted The flusher protected on unmanned plane is one of important component for spraying work.In the prior art, for plant protection unmanned plane The centrifugal flusher of upper use carries out spraying operation to agricultural operation region, and decoction is rotated in flusher is flowed to The centrifugal force of shower nozzle throw away and atomized spray realized to decoction, during spraying operation is carried out, the rotation of flusher Sealed between axle and installation housing using seal washer, however, rotary shaft is all the time relative to seal washer in rotary motion, So that the rotation gap that decoction is easy between rotary shaft and seal washer enters installation enclosure interior and damages sprinkling dress The motor put, cause the short circuit of the actuator in flusher or be corroded, significantly reduce the reliability of flusher And service life.

Utility model content

The purpose of this utility model is to provide a kind of flusher and unmanned plane, to solve to spray present in prior art Spill and the bad technical problem for causing Liquid Penetrant of sealing between the rotary shaft of device and seal washer be present.

To achieve the above object, the technical solution adopted in the utility model is：A kind of flusher is provided, including：Sprinkling Disk, sprinkling disk are used to spray liquid；Driving structure, driving structure include driving body and drive shaft, driving ontology-driven driving Axle rotates；Housing, housing form installing space, and driving body is installed in installing space, and housing is provided with punched out, and drives Axle is fixedly connected after being passed by punched out with sprinkling disk；Seal washer, seal washer are sheathed in drive shaft, and seal washer Outer wall and the hole wall of punched out support sealing, wherein, the inwall of seal washer is provided with holding tank in a ring, is filled in holding tank There is sealing filled media, sealing filled media contacts to form sealing with the axial plane of drive shaft.

Further, it is elastic gum material to seal filled media.

Further, the fitting opening end of housing is connected with cap, and week of cap is along being provided with seal convexity, the dress of housing With assembling groove is provided with openend, the installing space of sealing is formed in seal convexity plugging in fitting groove.

Further, cap is provided with connection jaws, and the assembling electric wire of driving body electrical connection is passed by connection jaws, assembling electricity Wire seals are provided between line and the hole wall of connection jaws.

Further, flusher also includes auxiliary connecting rod, be located by connecting pad and connecting bolt, aids in connecting rod First end is fixedly connected with drive shaft, aids in being provided with threaded interior hole on the second end of connecting rod, aid in the second end of connecting rod according to It is secondary to be fixedly connected through sprinkling disk with after the pad that is located by connecting by connecting bolt, between having between housing and sprinkling disk first side Gap, wherein, the pad that is located by connecting is provided with multiple locating convex blocks, and the second side for spraying disk is provided with multiple locating slots, multiple positioning Projection inserts in each locating slot correspondingly.

Further, aid in being provided with thread protrusion, the hand of spiral of thread protrusion and drive on the outside of the first end of connecting rod The rotation direction of moving axis is on the contrary, thread protrusion is located in punched out, and the external diameter of thread protrusion is less than the aperture of punched out.

Further, seal washer includes seal washer body, and the outside of seal washer body and the hole wall of punched out are close Envelope is supported, and the inner side at the second end of seal washer body is provided with the seal convexity contacted with the axial plane of drive shaft.

Further, the second end of seal washer body is provided with along its axis direction shrinks annular groove.

Further, seal washer also includes sealing mounting lug, and sealing mounting lug is arranged on seal washer body First end, and mounting lug radially extending along seal washer body is sealed, and mounting lug lap hermetically is sealed in punched out Aperture lateral margin on.

According to the another aspect of the technical program, there is provided a kind of unmanned plane.The unmanned plane includes fuselage body and peace Loaded on the flusher on fuselage body, flusher is foregoing flusher.

The flusher, which realizes, carries out the excellent sealing effectiveness of sealing property to drive shaft, even if drive shaft is in rotation During, sealing filled media can also form the excellent sealing effect to drive shaft, prevent Liquid Penetrant from entering the peace of housing Short circuit, corrosion are caused in dress space to driving structure, ensures flusher normal use, extend flusher uses the longevity Life.

Brief description of the drawings

, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is the dimensional structure diagram of the flusher of the utility model embodiment；

Fig. 2 is the cross section structure diagram in Fig. 1 A-A directions；

Fig. 3 is the cross section structure diagram of the seal washer in the flusher of the utility model embodiment；

Fig. 4 is the structural representation of the housing in the flusher of the utility model embodiment；

Fig. 5 is the structural representation of the cap in the flusher of the utility model embodiment；

Fig. 6 is the structural representation of the auxiliary connecting rod in the flusher of the utility model embodiment；

Fig. 7 is the structural representation of the pad that is located by connecting of the flusher of the utility model embodiment；

Fig. 8 is the structural representation of the lower disk body of the spray disk of the flusher of the utility model embodiment.

Wherein, each reference in figure：

10th, disk is sprayed；20th, driving structure；21st, body is driven；22nd, drive shaft；30th, housing；31st, punched out；40th, seal Packing ring；41st, holding tank；50th, filled media is sealed；32nd, fitting opening end；33rd, cap；321st, assembling groove；331st, seal convex Rise；332nd, connection jaws；60th, wire seals；71st, connecting rod is aided in；72nd, be located by connecting pad；73rd, connecting bolt；721st, it is fixed Position projection；710th, thread protrusion；42nd, seal washer body；421st, seal convexity；422nd, annular groove is shunk；43rd, sealing installation is convex Ear；81st, feed tube；11st, upper disk body；12nd, lower disk body；121st, runner wall body；122nd, separates walls are aided in；123rd, broken tip； 124th, clamping block is assembled；423rd, outside is raised.

Embodiment

In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with Lower combination drawings and Examples, the utility model is further elaborated.It is it should be appreciated that described herein specific real Example is applied only to explain the utility model, is not used to limit the utility model.

It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another On one element or it is connected on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ", The orientation or position relationship of the instruction such as " level ", " top ", " bottom ", " interior ", " outer " are to be closed based on orientation shown in the drawings or position System, it is for only for ease of and describes the utility model and simplified description, rather than the device or element of instruction or hint meaning is necessary With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two More than, unless otherwise specifically defined.

As shown in Figure 1 to Figure 3, the flusher of the present embodiment includes sprinkling disk 10, driving structure 20, housing 30, sealing Packing ring 40 and sealing filled media 50, sprinkling disk 10 are used to spray liquid, and driving structure 20 includes driving body 21 and drive shaft 22, driving body 21 drives drive shaft 22 to rotate, and housing 30 forms installing space, and driving body 21 is installed in installing space, Housing 30 is provided with punched out 31, and drive shaft 22 is passed by punched out 31 and is fixedly connected afterwards with sprinkling disk 10, seal washer 40 It is sheathed in drive shaft 22, and the outer wall of seal washer 40 and the hole wall of punched out 31 support sealing, wherein, seal washer 40 Inwall is provided with holding tank 41 in a ring, and sealing filled media 50 is filled in holding tank 41, and seal filled media 50 with The axial plane of drive shaft 22 contacts to form sealing.

The flusher forms overall peripheral waterproof, protection to driving structure 20 by housing 30 first, then passes through Seal washer 40 seals to the gap formed between drive shaft 22 and the punched out of housing 30 31, and is situated between by sealing filling Matter 50 forms further sealing protection to the gap between the madial wall of drive shaft 22 and seal washer 40, it is achieved thereby that to driving Moving axis 22 carries out the excellent sealing effectiveness of sealing property, even if drive shaft 22 during rotation, seals filled media 50 The excellent sealing effect to drive shaft 22 can be formed, prevents Liquid Penetrant from entering in the installing space of housing 30 to driving structure 20 cause short circuit, corrosion, ensure flusher normal use, extend the service life of flusher.

Preferably, the sealing filled media 50 of the present embodiment is elastic gum material, e.g. with favorable elasticity deformation energy The silica gel material of power.

As shown in Figures 2 to 5, the fitting opening end 32 of the housing 30 of the present embodiment is connected with cap 33, the week of cap 33 Along seal convexity 331 is provided with, assembling groove 321, the plugging in fitting of seal convexity 331 are provided with the fitting opening end 32 of housing 30 The installing space of sealing is formed in groove 321.In assembling assembling process is carried out to flusher, by driving structure 20 by assembling Openend 32 is put into the installing space of housing 30, and the drive shaft 22 of driving structure 20 is passed by punched out 31 with spraying disk 10 are fixedly connected, and are then assembled cap 33 at fitting opening end 32.Further, cap 33 is provided with connection jaws 332, The assembling electric wire that driving body 21 electrically connects is passed by connection jaws 332, assembles and electricity is provided between electric wire and the hole wall of connection jaws 332 Wire seal 60.That is, before cap 33 is sealed on into fitting opening end 32, first by drive body 21 assembling electric wire from Connection jaws 332 are passed, and the gap between assembling electric wire and connection jaws 332 is sealed by wire seals 60, actual On, wire seals 60 are the rubber seals for having favorable elasticity deformability, close by the way that assembling electric wire is interspersed in into rubber Crush seal is formed in sealing, it is good so as to form sealing effectiveness then again by rubber seal extruding assembling in connection jaws 332 Good sealing structure.

As shown in Figure 2 and Figure 7, the sprinkling disk 10 of the flusher by aiding in connecting rod 71, be located by connecting the and of pad 72 Connecting bolt 73 is fixedly mounted on the end of drive shaft 22.The first end of auxiliary connecting rod 71 is fixedly connected with drive shaft 22, Aid in being provided with threaded interior hole on the second end of connecting rod 71, the second end of auxiliary connecting rod 71 sequentially passes through sprinkling disk 10 and positioning It is fixedly connected after attachment spacers 72 by connecting bolt 73.In order that the sprinkling disk 10 that connection is completed turns with drive shaft 22 is synchronous The dynamic process to be sprayed, the rotation of sprinkling disk 10 will not have movement interference, housing 30 and sprinkling disk between housing 30 There is gap between 10 first sides, i.e., there is gap between housing 30 and the upper disk body 11 for spraying disk 10.Spray disk 10 and driving The synchronous axial system of axle 22, in positioning assembling process is carried out using the pad 72 that is located by connecting, the pad 72 that is located by connecting is provided with multiple Locating convex block 721, the second side of sprinkling disk 10 are provided with multiple locating slots and (spray the bottom of the lower disk body 12 of disk 10 provided with more Individual locating slot), multiple locating convex blocks 721 insert in each locating slot correspondingly, so that be located by connecting pad 72 and spray Spill to be formed between disk 10 and be located by connecting, so, in sprinkling disk 10 with the process of the synchronous axial system of drive shaft 22, be located by connecting pad 72 Also the pad that is located by connecting can while with the synchronous axial system of drive shaft 22, thus by the cooperation of locating convex block 721 and locating slot be made Be not in relatively rotate between 72 and sprinkling disk 10, keep the sprinkling stable connection of disk 10.

Specifically, it is located by connecting on pad 72 and is evenly equipped with three locating convex blocks 721, three locating convex blocks 721 forms equilateral Three summits of triangle.

As shown in figure 1, the flusher of the present embodiment is by connecting the feed tube 81 on housing 30 and draining part to spray Spill disk to be infused, feed tube 81 connects external infusion pipeline.During liquid is from the flow direction sprinkling disk 10 of feed tube 81, liquid Know from experience the gap between the upper disk body 11 of the end of housing 30 and sprinkling disk 10 to enter in punched out 31 and be full of punched out 31, in order that this partially liq can be also sprayed away, therefore, with reference to shown in referring to Fig. 2 and Fig. 6, auxiliary connecting rod 71 Thread protrusion 710 is provided with the outside of first end, the external diameter of thread protrusion 710 is less than the aperture of punched out 31 and avoids motion dry Relate to, the hand of spiral of the thread protrusion 710 is opposite with the rotation direction of drive shaft 22.So, in auxiliary connecting rod 71 with driving During the synchronous axial system of axle 22, thread protrusion 710 can by the liquid in the space of punched out 31 be pushed and extrude the space with Sprinkling is gone out.

With reference to referring to as illustrated in figures 1 and 8, the sprinkling disk 10 of the flusher of the present embodiment is by upper disk body 11 and lower disk body 12 compositions are formed, and lower disk body 12 is provided with the runner wall body 121 being spaced apart, and one is formed between two neighboring runner wall body 121 Individual sprinkling runner, sprayed away to allow the liquid to be formed tiny atomized drop, each runner wall body 121 is along lower wall The radial direction of body 12 designs in circular shape.In order to further optimize the effect of atomized drop, thus in two neighboring runner Auxiliary separates walls 122 are set along the bearing of trend of sprinkling runner between wall body 121, it is auxiliary during liquid flows through spray flow road Help separates walls 122 to carry out liquid separation again to be atomized.When liquid flows to the exit of sprinkling runner, the present embodiment The exit of each sprinkling runner of lower disk body 12 has all referred to the broken tip 123 of triangular shape, so as to be sprayed in liquid Broken atomization is carried out to liquid again before going out to spray runner so that the atomized drop that liquid finally sprays is more tiny.Right When upper disk body 11 is assembled with lower disk body 12, assembling clamping block 124 is provided with the top of corresponding runner wall body 121, and And assembling connecting hole is correspondingly opened up on upper disk body 11, by the way that assembling clamping block 124 is fastened in assembling connecting hole, so as to Upper disk body 11 and lower disk body 12 are completed.

In the present embodiment, seal washer 40 has crucial make for sealing effectiveness of the drive shaft 22 at punched out 31 With specifically, the seal washer 40 that the present embodiment uses includes seal washer body 42, and the outside of seal washer body 42 is with wearing Portal 31 hole wall sealing support it is (logical in fact, be provided with outside projection 423 on the outside of the second end of seal washer body 42 Cross outside projection and 423 circlewise mutually support sealing with the hole wall of punched out 31), set on the inside of the second end of seal washer body 42 There is a seal convexity 421 that the axial plane with drive shaft 22 contacts, in the present embodiment, seal convexity 421 is inside and outside with outside projection 423 Side is oppositely arranged, and it is that a little contact or contact surface are small area range contact that seal convexity 421 contacts with the axial plane of drive shaft 22, So as to reduce the friction in the rotation process of drive shaft 22 between drive shaft 22 and seal washer 40.And seal washer body 42 The second end along its axis direction be provided with shrink annular groove 422.When seal washer 40 is arranged on the hole of drive shaft 22 and punched out 31 After in gap between wall, the seal washer body 42 of seal washer 40 is squeezed and produces deformation deformation, now, contractile ring Groove 422 can help to bear deflection so that have preferably elasticity between outside projection 423 and seal convexity 421, so as to i.e. Ensure good sealing, while decrease reaction extruding force of the seal convexity 421 to drive shaft 22, so as to reduce sealing Frictional force between projection 421 and drive shaft 22, reduce the rate of depreciation of seal washer 40.

Can be further to the sealing between punched out 31 and drive shaft 22 in order to further improve seal washer 40 Can, therefore, seal washer 40 also includes sealing mounting lug 43, and sealing mounting lug 43 is arranged on the of seal washer body 42 One end, and the radially extending along seal washer body 42 of mounting lug 43 is sealed, and seal the lap hermetically of mounting lug 43 and wearing Portal 31 aperture lateral margin on.

According to the another aspect of the technical program, there is provided a kind of unmanned plane, especially plant protection unmanned plane.The unmanned plane bag Fuselage body and flusher, the foregoing flusher that flusher is provided by the technical program are included, and will be sprayed Device is arranged on the fuselage body of unmanned plane, and during unmanned plane during flying, objective crop is entered by flusher Row herbal sprinkling.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. A kind of 1. flusher, it is characterised in that including：

   Disk (10) is sprayed, the sprinkling disk (10) is used to spray liquid；

   Driving structure (20), the driving structure (20) include driving body (21) and drive shaft (22), the driving body (21) drive shaft (22) is driven to rotate；

   Housing (30), the housing (30) form installing space, and the driving body (21) is installed in the installing space, institute State housing (30) and be provided with punched out (31), and the drive shaft (22) passes the rear and sprinkling disk by the punched out (31) (10) it is fixedly connected；

   Seal washer (40), the seal washer (40) are sheathed in the drive shaft (22), and the seal washer (40) Outer wall and the hole wall of the punched out (31) support sealing, wherein, the inwall of the seal washer (40) is provided with appearance in a ring Groove (41) is received, filled with sealing filled media (50), the sealing filled media (50) and the drive in the holding tank (41) The axial plane of moving axis (22) contacts to form sealing.
2. 2. flusher as claimed in claim 1, it is characterised in that the sealing filled media (50) is elastic gum material.
3. 3. flusher as claimed in claim 2, it is characterised in that the fitting opening end (32) of the housing (30) is connected with Cap (33), the week of the cap (33) is along being provided with seal convexity (331), fitting opening end (32) place of the housing (30) Provided with assembling groove (321), the seal convexity (331) inserts in the assembling groove (321) installing space for forming sealing.
4. 4. flusher as claimed in claim 3, it is characterised in that the cap (33) is provided with connection jaws (332), described The assembling electric wire of driving body (21) electrical connection is passed by the connection jaws (332), the assembling electric wire and the connection jaws (332) wire seals (60) are provided between hole wall.
5. 5. the flusher as any one of Claims 1-4, it is characterised in that the flusher also includes auxiliary Connecting rod (71), the pad that is located by connecting (72) and connecting bolt (73), the first end of the auxiliary connecting rod (71) and the drive Moving axis (22) is fixedly connected, and threaded interior hole, the auxiliary connecting rod (71) are provided with the second end of the auxiliary connecting rod (71) The second end sequentially pass through it is described sprinkling disk (10) and the pad that is located by connecting (72) after by the connecting bolt (73) consolidate Fixed connection, there is gap between the housing (30) and sprinkling disk (10) first side, wherein, the pad that is located by connecting (72) multiple locating convex blocks (721) are provided with, the second side of the sprinkling disk (10) is provided with multiple locating slots, multiple positioning Projection (721) inserts in each locating slot correspondingly.
6. 6. flusher as claimed in claim 5, it is characterised in that set on the outside of the first end of the auxiliary connecting rod (71) There is thread protrusion (710), the hand of spiral of the thread protrusion (710) is with the rotation direction of the drive shaft (22) on the contrary, institute State thread protrusion (710) to be located in the punched out (31), and the external diameter of the thread protrusion (710) is less than the punched out (31) aperture.
7. 7. flusher as claimed in claim 5, it is characterised in that the seal washer (40) includes seal washer body (42), the outside of the seal washer body (42) and the hole wall sealing of the punched out (31) are supported, the seal washer sheet The inner side at the second end of body (42) is provided with the seal convexity (421) contacted with the axial plane of the drive shaft (22).
8. 8. flusher as claimed in claim 7, it is characterised in that the second end of the seal washer body (42) is along its axle Line direction, which is provided with, shrinks annular groove (422).
9. 9. flusher as claimed in claim 7, it is characterised in that the seal washer (40) also includes sealing mounting lug (43), the sealing mounting lug (43) is arranged on the first end of the seal washer body (42), and the sealing installation is convex Ear (43) radially extending along seal washer body (42), and sealing mounting lug (43) lap hermetically is worn described Portal (31) aperture lateral margin on.
10. A kind of 10. unmanned plane, it is characterised in that including fuselage body and the flusher being installed on the fuselage body, The flusher is the flusher as described in claim 1 to 9 any one.