CN206926802U - Folding arm of fixed-wing unmanned aerial vehicle - Google Patents

Abstract

The utility model relates to a fixed wing unmanned aerial vehicle's folding arm, including swivelling joint's first connecting piece and second connecting piece, first connecting piece and second connecting piece detachably are connected with square fixed axle and square motor shaft respectively, are provided with on first connecting piece and the second connecting piece respectively and mutually support and are used for restricting second connecting piece level pivoted gag lever post and spacing arch. The motor shaft of the utility model adopts a square structure, and the sleeve joint of the square structure is not easy to rotate relatively relative to the circular structure so as to cause the deflection of the electrode and the flying wing, thus the connection is more reliable; first joint, second connect all to be square structure, and spacing mode is simple and reliable more, has guaranteed the steady of flight process.

Description

A kind of folding arm of fixed-wing unmanned plane

Technical field

Unmanned air vehicle technique field is the utility model is related to, it particularly relates to a kind of folding arm of fixed-wing unmanned plane.

Background technology

Unmanned plane can be roughly divided into multi-rotor unmanned aerial vehicle and the major class of fixed-wing unmanned plane two according to flight theory and structure. Fixed-wing unmanned plane is due to the advantage in structure, and the advantage in flight theory, and engine need not overcome fuselage gravity, theoretical Come as long as the thrust of upper motor can in 1/10 magnitude of fuselage gravity flies up, but more rotors are needed more than fuselage gravity High thrust motor, which can just fly up, to be come.Therefore under same size parameter, fixed-wing unmanned plane compares with multi-rotor unmanned aerial vehicle, Gu Determine the equipment that the wing can load bigger battery or more, and the bulking value of fixed-wing unmanned plane be greater than more rotors nobody Machine.It is more fragile with respect to fuselage to be used to fix the motor shaft of motor on unmanned plane, and takes the larger volume of unmanned plane, therefore Usually need to dismantle during transport and packaging, installed again during use.Unmanned plane folds arm without carrying out repeatedly Dismounting or installation, therefore be readily transported and pack, existing folding arm is mostly that can be produced between circular configuration, with connector relatively Rotate, cause the direction deflection of the electrode and flying wing that fold on arm, therefore it is smaller, lighter in weight more to be used for body volume Rotor wing unmanned aerial vehicle.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of square structure available for fixed-wing unmanned plane Arm is folded, makes the fixation of motor shaft more reliable.

The technical solution of the utility model can be realized by following technical measures：A kind of folding of fixed-wing unmanned plane Arm, includes the first connector and the second connector of rotatable connection, and the first connector and the second connector difference is detachable Ground is connected with square fixing axle and square motor shaft, is respectively arranged with first connector and the second connector mutually Coordinate the gag lever post and spacing preiection horizontally rotated for limiting second connector.

Preferably, first connector includes connected first axle and connects cylinder and the first joint, the second connector bag Include the second connected axle and connect cylinder and the second joint；First joint is rotatably connected with second joint, and the first axle connects Cylinder connects the fixing axle, and second axle connects cylinder and connects the motor shaft.

Preferably, the first connector upper and lower end face is provided with same groove, and institute is provided through in the groove State the first connector upper and lower end face and the gag lever post that can be slided along groove level；Second connector be provided with it is described The spacing preiection for the horizontal direction that gag lever post is engaged, the spacing preiection are located within the scope of the gag lever post sliding stroke.

Preferably, the first axle connects the position that cylinder is located on the groove extended line and is provided with fix bar, described spacing Connected between bar and the fix bar by spring.

Preferably, first joint is rotatably connected with second joint by rotating shaft, the rotating shaft with it is described spacing Bar is distributed in the connection overlapping region of first joint and second joint in diagonally opposing corner.

Preferably, the first axle, which connects cylinder and connects cylinder with second axle, is square, and the motor shaft is inserted in described Two axles connect in cylinder, and the fixed hub connects outside cylinder located at the first axle.

Compared with prior art, the utility model has the advantages that：Motor shaft uses square structure, square structure Socket relative to circular configuration be not susceptible to relatively rotate and motor and flying wing is deflected, therefore connection more may be used Lean on；First joint, the second joint are square structure, and limit method is simpler and reliable, ensure that the steady of flight course.

Brief description of the drawings

Using accompanying drawing, the utility model is described in further detail, but the embodiment in accompanying drawing is not formed to of the present utility model Any restrictions.

Fig. 1 is the structural representation of the first connector of the folding arm of the utility model fixed-wing unmanned plane；

Fig. 2 is the structural representation of the second connector of the folding arm of the utility model fixed-wing unmanned plane；

Fig. 3 is the first connector of folding arm and the mounting structure of the second connector of the utility model fixed-wing unmanned plane Schematic diagram；

Fig. 4 is the structural representation for the unmanned plane that arm is folded with the utility model.

Brief description of the drawings：

100, the first connector；110, gag lever post；120, first axle connects cylinder；130, the first joint；150, groove；160, spiral shell Cap；170, fix bar；180, spring；190, screw channel；200, the second connector；210, spacing preiection；220, the second axle connects cylinder； 230, the second joint；240, arcuate structure；300, fixing axle；400, motor shaft；500, motor；600, rotating shaft；700, spacing dress Put.

Embodiment

To make the utility model easier to understand, specific embodiment of the utility model is further illustrated below.

As Figure 1-4, a kind of folding arm of fixed-wing unmanned plane, including the first connector 100 of rotatable connection and Two connectors 200, the connector 200 of the first connector 100 and second are connected to square fixing axle 300 and square Motor shaft 400, the fixing axle are fixed on unmanned aerial vehicle body, and motor 500, first connector are fixed with the motor shaft 100 and second be respectively arranged with connector 200 mutual cooperation be used to limiting second connector 200 horizontally rotate it is spacing Bar 110 and spacing preiection 210.

First connector 100 includes connected first axle and connects the joint 130 of cylinder 120 and first, second connector 200, which include the second connected axle, connects the joint 230 of cylinder 220 and second；The first axle connects cylinder 120 and connects cylinder 220 with second axle It is square, the motor shaft 400 is inserted in second axle and connected in cylinder 220, and the fixing axle 300 is sheathed on the first axle Even outside cylinder 120, the axle of motor shaft 400 and second connects cylinder 220 and is square structure and socket connection, is connected more relative to circular It is stable, it is less prone to the phenomenon of relative slip.In order that connection is more firm, second axle connects cylinder 220 and the motor shaft Between 400 and the first axle connects the positioning being provided between cylinder 120 and the fixing axle 300 for limiting positioning and led to Hole, alignment pin is set so that the second axle connects between cylinder 220 and the motor shaft 400 and described first in the positioning through hole Axle connects realization between cylinder 120 and the fixing axle 300 and is detachably connected.

First joint 130 includes the upper and lower end face being parallel to each other with second joint 230, wherein described second The upper and lower end face of joint 230 is located within the upper and lower end face of first joint 130.First joint 130 and described second The opening portion of joint 230 is relative, and first joint 130 and the front/rear end of the second joint 230 are close to described first Axle connects the side of cylinder 120 with second axle even and is equipped with baffle plate, the front apron of first joint 130 and second joint 230 front apron is generally aligned in the same plane side by side, both it between can contact with each other so that joint internal structure will not be exposed to Outside.Similarly, the rear baffle of the rear baffle of the first joint 130 and the second joint 230, side by side and can also contact.

First joint 130 is rotatably connected with second joint 230 by rotating shaft 600, the rotating shaft 600 with it is described Gag lever post 110 is distributed in the connection overlapping region of first joint 130 and second joint 230 in diagonally opposing corner.In order that Joint connection is relatively reliable, is set again through described first on two outside rotating shaft 600 and the gag lever post 110 are diagonal The stopping means 700 of joint 130 and second joint 230, the form of through hole and pin can be used, it is easy to disassemble.By institute The join domain for stating the first joint 130 and the second joint 230 is square structure, limits the anglec of rotation of the second connector 200, Prevent it from being rotated to unmanned plane engine body exterior.

The upper and lower end face of first connector 100 is provided with same groove 150, is provided through in the groove 150 The upper and lower end face of first connector 100 and can be along the horizontal gag lever post 110 slided of the groove 150, on the gag lever post 110 Under be connected with the nut 160 of the upper and lower end face for protruding from first connector 100, and by the nut 160 removably It is fixed in first connector 100；Second connector 200 is provided with the level being engaged with the gag lever post 110 The spacing preiection 210 in direction, the spacing preiection 210 are located within the scope of the sliding stroke of gag lever post 110, and described spacing The curved structure 240 in one side of projection 210 so that the spacing preiection 210 can after the stop that gag lever post 110 is released to it It is rotated by 90 ° along the rotating shaft 600.

As shown in figure 3, when gag lever post 110 is located at the Far Left of the groove 150, gag lever post 110 is spacing by stopping Projection 210 and the first connector 100 is kept vertical with the second connector 200, when gag lever post 110 is toggled it into groove 150 During rightmost, gag lever post 110 releases the stop to spacing preiection 210, the second connector 200 can drive motor axle 400 it is clockwise 90 ° are rotated, realizes folding effect.

The first axle connects the position that cylinder 120 is located on the extended line of groove 150 and is provided with fix bar 170, the limit Connected between position bar 110 and the fix bar 170 by spring 180, the spring 180 should make gag lever post 110 when extending naturally Positioned at the Far Left of the groove 150, even if gag lever post 110 is positioned at the position for stopping spacing preiection 210.

The upper and lower end face that the first axle connects cylinder 120 is provided with inclined screw channel 190, described to tilt inside screw channel 190 Screw is provided with, the upper and lower end face of fix bar 170 is provided with the screwed hole being engaged with the screw, and fix bar 170 passes through institute The screw for stating the upper and lower end face that first axle connects cylinder 120 is detachably secured to first axle and connected in cylinder 120, and the surface of the screw should The upper and lower end face that first axle connects cylinder 120 is not protruded from, prevents from hindering first axle to connect being fixedly connected for cylinder 120 and fixing axle 300.

Finally, it should be noted that above example is only illustrating the technical solution of the utility model rather than to this reality With the limitation of novel protected scope, although being explained in detail with reference to preferred embodiment to the utility model, this area it is common It will be appreciated by the skilled person that the technical solution of the utility model can be modified or equivalent substitution, without departing from this reality With the spirit and scope of new technique scheme.

Claims (6)

1. a kind of folding arm of fixed-wing unmanned plane, it is characterised in that the first connector and the second connection including rotatable connection Part, first connector and the second connector are detachably connected with square fixing axle and square motor shaft, institute respectively State and mutual cooperation is respectively arranged with the first connector and the second connector for limiting what second connector horizontally rotated Gag lever post and spacing preiection.

2. the folding arm of fixed-wing unmanned plane according to claim 1, it is characterised in that first connector includes solid First axle even connects cylinder and the first joint, and second connector includes the second connected axle and connects cylinder and the second joint；Described One joint is rotatably connected with second joint, and the first axle connects cylinder and connects the fixing axle, and second axle connects cylinder connection The motor shaft.

3. the folding arm of fixed-wing unmanned plane according to claim 2, it is characterised in that the first connector upper and lower side Face is provided with same groove, the first connector upper and lower end face is provided through in the groove and can be along the groove water Smoothly dynamic gag lever post；Second connector is provided with the spacing preiection for the horizontal direction being engaged with the gag lever post, institute Spacing preiection is stated to be located within the scope of the gag lever post sliding stroke.

4. the folding arm of fixed-wing unmanned plane according to claim 3, it is characterised in that the first axle connects cylinder and is located at institute State the position on groove extended line and be provided with fix bar, connected between the gag lever post and the fix bar by spring.

5. the folding arm of fixed-wing unmanned plane according to claim 2, it is characterised in that first joint and described the Two joints are rotatably connected by rotating shaft, the connection of the rotating shaft and the gag lever post in first joint and second joint Overlapping region is distributed in diagonally opposing corner.

6. the folding arm of fixed-wing unmanned plane according to claim 2, it is characterised in that the first axle connect cylinder with it is described Second axle connects cylinder and is square, and the motor shaft is removably inserted in second axle and connected in cylinder, and the fixing axle is detachable Ground is sheathed on the first axle and connected outside cylinder.