The content of the invention
It is an object of the invention to provide a kind of Portable unmanned machine and its blade runner assembly and rotation system and its groupDress method, to simplify operating process of the Portable unmanned machine in assembling and replacing, and user using it is preceding just by blade withOar seat is assembled together to form blade runner assembly, when user needs to change the blade damaged, only needs integral replacing bladeRunner assembly, it is to avoid because being individually replaced blade to the damage caused by oar seat and motor.
To achieve the above object, the invention provides a kind of blade runner assembly, for Portable unmanned machine, it includes oarSeat, blade, the first connector and the second connector；The oar seat is provided with the first connecting hole of insertion, and the blade is provided withSecond connecting hole of insertion, first connector has the 3rd connecting hole of insertion；Institute is embedded with first connecting holeThe first connector is stated, first connector is interference fitted with first connecting hole；Second connector is arranged in describedIn first connecting hole, the second connecting hole and the 3rd connecting hole, and respectively with the 3rd connecting hole screw thread coordinate and with it is describedFirst connecting hole and the second connection interporal lacuna coordinate.
Optionally, first connecting hole has upper semisection and for the lower semisection close to motor, second connectionHole position between the upper semisection and the lower semisection,；Second connector sequentially passes through the upper semisection, the second connectionHole and the 3rd connecting hole；Wherein, the whole of first connector is embedded in the lower semisection, and first connectorLength be less than or equal to the lower semisection length.
Optionally, second connector has one section of external screw thread being connected and one section of smooth section；One section of outer spiral shellA part for line coordinates with the 3rd connecting hole screw thread, and another part stretches out the oar seat via the 3rd connecting hole；InstituteThe part and the upper semisection gap for stating one section of smooth section coordinate, and another part is connected interporal lacuna cooperation with described second；InstituteState aperture of one section of externally threaded maximum gauge less than the upper semisection and second connecting hole.
Optionally, second connector also has the head being connected with one section of smooth section, the cross section on the headSize, which is more than on the cross sectional dimensions of one section of smooth section, the oar seat, is additionally provided with the countersunk head being connected with the upper semisectionHole, the head captured is in the counter sink.
Optionally, non-penetrating centre bore is additionally provided with the oar seat, and second connector is solid construction.
Optionally, the oar seat is symmetrical structure, and first connecting hole is multiple, and multiple first connecting holes are symmetricalIt is arranged on the oar seat.
Optionally, the one side that the oar seats against nearly motor is a plane.
Further, present invention also offers a kind of rotation system, it is included described in motor and above-mentioned any oneBlade runner assembly, the motor includes housing and drive shaft, and the drive shaft is fixed on the housing, and the drive shaftThe one end and oar seat for stretching out the housing are connected；Wherein, screwed hole is provided with the housing, the screwed hole and described theTwo connector screw threads coordinate.
Further, the present invention separately provides a kind of Portable unmanned machine, and it includes folding fuselage and above-mentionedRotation system described in any one, the rotation system is multiple, and multiple rotation systems are connected with the fuselage.
Further, invention further provides a kind of assemble method of above-mentioned rotation system, including：
In the first connecting hole that first connector is embedded to oar seat, and make first connector with it is describedFirst connecting hole is interference fitted；
Second connector is inserted into first connecting hole, the second connecting hole of the blade and first companyIn 3rd connecting hole of fitting, and make second connector and the direct screw thread of the 3rd connecting hole coordinate and with it is describedSecond connecting hole and the first connection interporal lacuna coordinate；And
The drive shaft of the motor is inserted into the centre bore of the oar seat and is connected, and by the housing of the motor with it is describedSecond connector stretches out the threaded one end connection of the oar seat.
To sum up, assembled for the ease of user, and be easy to user to change the blade damaged, by Portable unmanned machine shipmentBefore, blade and oar seat can be assembled together by the present invention beforehand through the manufacturing side (such as factory), so, it is possible to reducePackaging quantity, is lifted out the aesthetic property of package dress, and does not allow error easy to package, is easy to produce management and control.What is more important, thisInvention is realized by the first connector with oar seat interference fit and the second connector coordinated with the first connector screw threadThe assembling of oar seat and blade so that blade, oar seat, the first connector and the second connector form entirety, so, compareIn integrally formed blade and oar seat and other realize oar seat and blade connect mode, interference fit combine screw thread coordinate instituteThe connection that can be realized is more reliable, and production cost is low.
Brief description of the drawings
Fig. 1 a are the structural representations of existing rotary wind type unmanned plane；
Fig. 1 b are the structural representations of the rotor of rotary wind type unmanned plane shown in Fig. 1 a；
Fig. 1 c are the sectional views of rotor shown in Fig. 1 b；
Fig. 1 d are the decomposing schematic representations of rotor shown in Fig. 1 a；
Fig. 2 a are the decomposing schematic representations of single paddle runner assembly on the Portable unmanned machine of one embodiment of the invention offer；
Fig. 2 b are the sectional views after the assembling of blade runner assembly shown in Fig. 2 a；
Fig. 2 c are the schematic diagrames after the assembling of blade runner assembly shown in Fig. 2 a；
Fig. 3 is the schematic diagram of the blade for the blade runner assembly that one embodiment of the invention is provided；
Fig. 4 a are the schematic diagrames of the oar seat for the blade runner assembly that one embodiment of the invention is provided；
Fig. 4 b are the top views of the seat of oar shown in Fig. 4 a；
Fig. 4 c are the sectional views of the seat of oar shown in Fig. 4 a；
Fig. 5 is the schematic diagram of the second connector of the blade runner assembly that one embodiment of the invention is provided；
Fig. 6 is the schematic diagram of the first connector of the blade runner assembly that one embodiment of the invention is provided；
Fig. 7 a are the decomposing schematic representations of single rotation system on the Portable unmanned machine of one embodiment of the invention offer；
Fig. 7 b are the schematic diagrames after the assembling of rotation system shown in Fig. 7 a；
Fig. 7 c are the sectional views after the assembling of rotation system shown in Fig. 7 b；
Fig. 8 is the schematic diagram for the motor that one embodiment of the invention is provided；
Fig. 9 is the schematic diagram for the Portable unmanned machine that one embodiment of the invention is provided.
Description of reference numerals is as follows：
Rotor -11；Motor -12；Oar seat -13；Blade -14；Screw -15；
Blade runner assembly -20；
Blade -21；Second connecting hole -211；
Oar seat -22；First connecting hole -221；Upper semisection -221a；Lower semisection -221b；Groove -222；Counter sink -223；InHeart hole -224；
First connector -23；3rd connecting hole -231；
Second connector -24；One section of external screw thread -241；One section of smooth section -242；Head -243；
Rotation system -40；
Motor -30；Housing -31；Drive shaft -32；Screwed hole -33；
Portable unmanned machine -50；
Fuselage -51；Linking arm -52.
Embodiment
Below in conjunction with accompanying drawing 2a to accompanying drawing 9, and specific embodiment is to Portable unmanned machine proposed by the present invention and its oarThe assemble method of leaf runner assembly, rotation system and rotation system is described in further detail.According to following explanation and rightClaim, advantages and features of the invention will become apparent from.It should be noted that, accompanying drawing is used using very simplified form andNon- accurately ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
Referring initially to Fig. 2 a to Fig. 6, Fig. 2 a are single paddle rotating group on the Portable unmanned machine of one embodiment of the inventionThe decomposition texture of part 20, Fig. 2 b are the sectional structures after the assembling of blade runner assembly 20 shown in Fig. 2 a, and Fig. 2 c are oars shown in Fig. 2 aStructure after the assembling of leaf runner assembly 20, Fig. 3 is the structure of the blade 21 of the blade runner assembly 20 of one embodiment of the invention, figure4a is the structure of the oar seat 22 of the blade runner assembly 20 of one embodiment of the invention, and Fig. 4 b are the vertical view knots of the seat of oar shown in Fig. 4 a 22Structure, Fig. 4 c are the sectional structures of the seat of oar shown in Fig. 4 a 22, and Fig. 5 is the second company of the blade runner assembly 20 of one embodiment of the inventionThe structure of fitting 24, Fig. 6 is the structure of the first connector 23 of the blade runner assembly 20 of one embodiment of the invention.
As shown in Figure 2 a, the blade runner assembly 20 includes blade 21, oar seat the 22, first connector 23 and the second connectionPart 24.The blade 21 includes but is not limited to two, can also be three or three with first-class.But first connector 23It is consistent with blade 21 with the quantity of the second connector 24, i.e., it is socketed with a blade 21, one on one the second connector 24First connector 23 is combined with second connector 24.However, for the ease of narration, for a blade in describing below21 illustrate the blade runner assembly 20 of the present embodiment.
In the present embodiment, the first connecting hole 221 (becoming apparent from being shown in Fig. 4 c) of insertion is provided with the oar seat 22, shouldThe rotational plane of first connecting hole 221 and blade 21 is perpendicular.The second connecting hole 211 of insertion is provided with the blade 21(becoming apparent from being shown in Fig. 3), the rotational plane of second connecting hole 211 and blade 21 is perpendicular.First connector 23 hasThere is the 3rd connecting hole 231 (becoming apparent from being shown in Fig. 6) of insertion, the 3rd connecting hole 231 is preferably screwed hole.Described secondConnector 24 at least has one section of external screw thread 241, and preferably described second connector 24 also has to be connected with one section of external screw thread 241The one section of smooth section 242 (becoming apparent from being shown in Fig. 5) connect.Here, it should be noted that herein, the smooth section is notIt is to be understood on literal with smooth surface, it is, the present invention does not limit the surface appearance of smooth section, such as can also setsPut raised or groove etc..
Optionally, first connecting hole 221 have upper semisection 221a and lower semisection 221b (see Fig. 4 c), it is described onHalf section of 221a is used to realize that gap coordinates with one section of smooth section 242, and part or all of the lower semisection 221b is embeddingProvided with first connector 23, and first connector 23 is interference fitted to achieve a fixed connection with lower semisection 221b.InstituteIt can be hex nut in the present embodiment to state the first connector 23, then, the shape and hex nut of the lower semisection 221bMatch, as hex hole.
In one embodiment, the whole of first connector 23 is embedded at 221b in lower semisection, but described first connectsThe length of fitting 23 is less than or equal to lower semisection 221b length, and following length with the first connector 23 are less than lower semisection 221bLength as signal, but should not be as limit.In addition, when the length of the first connector 23 is less than lower semisection 221b lengthWhen, as illustrated in fig. 4 c, the lower semisection 221b can have the first aperture d1 and the second aperture d2, the first aperture d1 be used forFirst connector 23, which matches, to be merged away from the second connecting hole 211, and the second aperture d2 is used to be engaged with the second connector 23(such as gap cooperation).
For Fig. 2 a to Fig. 6, the assembling process of the blade runner assembly 20 is specifically included：
First, first connector 23 is embedded in the lower semisection 221b of the first connecting hole 221 of oar seat 22, and madeFirst connector 23 is interference fitted with lower semisection 221b；
Afterwards, the blade 21 is placed on a pre-position on oar seat 22, and makes the second connecting hole 211 of blade 21Alignd (i.e. coaxial) with the first connecting hole 221 of oar seat 22；In the present embodiment, the blade 21 carries the second connecting hole 211In the groove 222 of root insertion oar seat 22 (groove 222 is seen clearly in Fig. 4 c), the groove 222 is located at upper semisection 221a withBetween half section of 221b；
Then, the direction indicated by arrow R, the second connector 24 is sequentially inserted into the upper half of the first connecting hole 221In section 221a, the second connecting hole 211 and the 3rd connecting hole 231, and the 3rd connecting hole 231 is used for close to following motors 30Set；
After fully-inserted, the upper semisection of the connecting hole 221 of one section of smooth section 242 and first of second connector 24221a gaps coordinate, and one section of smooth section 242 also coordinates with the gap of the second connecting hole 211, while second connectorThe screw thread of the 3rd connecting hole 231 of 24 connector 23 of one section of external screw thread 241 and first coordinates；It is preferred that, one section of outer spiral shellLine 231, which is passed through, also stretches out oar seat 22 after the 3rd connecting hole 231, so just realize the fixed company of the second connector 24 and oar seat 22Connect, and the second connector 24 is connected with the rotation of blade 21；So, blade 21 is on the one hand enabled around the second connectionPart 24 is rotated, and on the other hand causes the second connector 24 is realized indirectly in the way of screw thread coordinates to connect with the fixed of oar seat 22Connect, so that blade 21 is arranged on oar seat 22 in swingable mode.Certainly, the blade 21 is socketed in the second connector 24After upper, limit features are provided with the second connector 24 or the oar seat 22, the limit features exist to limit blade 21Movement on axial direction, to prevent blade 21 from coming off, it is preferred that, can be in the axial direction in the groove 222 that blade 21 is inserted to oar seat 22Limit the displacement of blade 21.
In addition, the maximum gauge of one section of external screw thread 241 of second connector 24 is preferably smaller than upper semisection 221aWith the aperture of the second connecting hole 211, in order to which the second connector 23 can pass through upper semisection 221a, the second connecting hole 211Enter lower semisection 221b afterwards.The diameter of one section of smooth section 242 is less than upper semisection 221a aperture to realize that gap coordinates, butThe diameter of one section of smooth section 242 is preferably greater than or equal to the maximum gauge (i.e. the big footpath of screw thread) of one section of external screw thread 241,It is equal more preferably with the maximum gauge of one section of external screw thread 241, it is easy to processing.
It should be noted that user assembles for convenience, and it is easy to user to change the blade damaged in use21, before by Portable unmanned machine shipment, beforehand through the manufacturing side (such as factory) by blade 21 and the assembling of oar seat 22 oneRise, so, it is possible to reduce packaging quantity, be lifted out the aesthetic property of package dress, and do not allow error easy to package, be easy to productionManagement and control.What is more important, matches somebody with somebody by the first connector 23 with the interference fit of oar seat 22 and with the screw thread of the first connector 23The second connector 24 closed, realizes the assembling of oar seat 22 and blade 21 so that blade 21, oar seat the 22, first connector 23 andSecond connector 24 forms entirety, so, compared to integrally formed blade and oar seat and other realize oar seat andThe mode of blade connection, interference fit coordinates achieved connection more reliable plus screw thread, and production cost is low.
Refering to Fig. 4 a to Fig. 4 c, counter sink 223 is additionally provided with the oar seat 22, the counter sink 223 and upper semisection 221aIt is connected so that the first connecting hole 221 together form T fonts hole with counter sink 223.As shown in figure 5, second connector 24Also there is a head 243 being connected with one section of smooth section 242, the cross sectional dimensions on the head 243 is more than described one sectionThe cross sectional dimensions of smooth section 242.During actual assembled, the head 243 can be contained in the counter sink 223, can both avoid itThe top surface (one side for deviating from motor) of oar seat 22 is protruded, to ensure aesthetic property, the second connector 24 can be further limited again in axleUpward displacement is to strengthen bonding strength.
Oar seat 22 is preferably symmetrical structure, and multiple first connecting holes 221 are preferably on oar seat 22 along height sideTo axis it is symmetrical.In addition, the oar seat 224 is additionally provided with centre bore 224, center line and the oar seat 22 of the centre bore 224Overlapped along the axis of short transverse, in order to which follow-up motor driving shaft is arranged in centre bore, realization, which allows, to be kept off and Jiang Zuo centersThe purpose of positioning.In addition, the centre bore 224 can be through hole or blind hole, preferably blind hole, aesthetic property is good.
With continued reference to Fig. 4 c, 22 bottom surfaces relative with its top surface of oar seat are the central phase of forge piece of step type structure, i.e. bottom surfaceRaised for both sides, in preferred scheme (not shown), the bottom surface is a plane, with increase and motor contact surface area, so thatLifting motor and the fixed strong degree of oar seat.
Then, referring back to Fig. 2 c, each blade 21 can within the specific limits be rotated around the second connector 24, to realizeFlight function.And.It should know, the upper semisection 221a of first connecting hole 221 is set to and the by the present embodimentThe gap of two connector 24 coordinates, it is therefore intended that prevent the deflection of the second connector 24, to play position-limiting action, in order to the second connectionPart 24 smoothly inserts the 3rd connecting hole 231 and the second connecting hole 211 and smoothly tightened, and operates more convenient.
With continued reference to Fig. 5, the head 243 of second connector 24 includes but is not limited to plush copper or tack, excellentElect tack as, aesthetic property is good.Setting grooved hole (non-label) on the head 243, such as yi word pattern or cross slotted eye, withIt is easy to external tool that the second connector 24 is dismantled or locked by the slotted eye.And preferably, second connector 24 is solidStructure.
Optionally, the specification of one section of external screw thread 241 of second connector 24 can be M2, but coarse thread or closely-pitchedAll can, as long as can firmly lock.In order to coordinate with M2 external screw thread, the 3rd connecting hole of first connector 23Optional 231 aperture is diameter 1.7mm.The preferred metal material of second connector 24, bonding strength is high, more preferably brass orSimilar metal material, to prevent getting rusty.The corresponding preferably metal material of first connector 23.
And then, after the assembling of blade 21 and oar seat 22 is completed, both just can be packed to shipment, afterwards, Yong Hu togetherWhen receiving, only blade runner assembly 20 need to mutually be assembled with corresponding motor 30, just can realize the rotation system of Portable unmanned machineThe assembling of system, finally, on the linking arm that all rotation systems are arranged on to Portable unmanned machine, you can complete Portable unmanned machineAssembling, in this way, simplify the assembling process of user, once and blade 21 damage, as long as by blade runner assembly 20It is overall to be removed from motor 30, you can to realize the replacing of blade 21, it is very convenient.Illustrate the portable nothing of another embodiment belowMan-machine single rotation system 40, refers to Fig. 7 a to Fig. 8.
Fig. 7 a are the decomposition textures of single rotation system 40 on the Portable unmanned machine of another embodiment of the present invention, and 7b is figureStructure after the assembling of rotation system 40 shown in 7a, 7c is the sectional structure after the assembling of rotation system 40 shown in Fig. 7 b, and Fig. 8 is this hairThe structure for the motor 30 that a bright embodiment is provided.The rotation system 40 includes above-mentioned blade runner assembly 20 and motor 30.
As shown in figure 8, the motor 30 includes housing 31 and drive shaft 32, the drive shaft 32 is arranged on housing 31 simultaneouslyIt is connected with housing 31, and two screwed holes 33, the quantity of specific screwed hole 33 and the number of blade 21 is provided with the housing 31Amount is consistent.
With reference to Fig. 7 a to Fig. 7 c, the assembling process of the rotation system 40 is：
First, the drive shaft 32 is stretched out in the centre bore 224 of partial insertion oar seat 22 of shell 31, while along arrowDirection indicated by S, makes one section of external screw thread 241 that two second connectors 24 stretch out oar seat 22 each screw in correspondenceA screwed hole 33 in；
Afterwards, all second connectors 24 are stretched out to the one section of external screw thread 241 and corresponding screwed hole 33 of oar seat 22Locking, you can realize being connected for blade runner assembly 20 and motor 30, you can obtain the rotation system 40.
When actual use, the motor 30 drives oar seat 22 to rotate by its drive shaft 32, and drives simultaneously on oar seat 22Two blades 21 rotate, moreover, the housing 31 of the motor 30 also concomitant rotation.Wherein, the drive shaft 32 and centre bore 224It can be realized with close-fitting connected, and the part of bottom surface for oar seat 22 fits with the upper surface of housing 31.
Further, as shown in figure 9, the embodiment of the present invention additionally provides a kind of Portable unmanned machine 50, it includes rolling overFolded fuselage 51 and multiple rotation systems 40, each rotation system 40 includes a blade runner assembly 20 and a motor30。
Multiple being provided at circumferentially spaced along fuselage 51 of rotation system 50, and the electric machine casing of each rotation system 40 and oneFolding linking arm 52 is connected.Every linking arm 52 is connected with fuselage 51 in telescopic manner, i.e. linking arm 52 can be withMake the motion closer or far from fuselage 51.When the linking arm 52 is made close to the motion of fuselage 51, portable nothing can be reducedMan-machine 50 size, it is easy to carry and transport；When the linking arm 52 makees the motion away from fuselage 51, it is possible to achieve flight work(Energy.The rotation system in the present embodiment be four, but including and be not limited to four, mainly according to flight need set.
Finally, present pre-ferred embodiments as described above, but be not limited to the scope disclosed in above-described embodiment, for example, notBe limited to oar seat the first connection hole open up accommodating blade the second connecting hole groove (i.e. the second connecting hole be located at first companyConnect the upper and lower between half section of hole), it is clear that groove herein is used for movement of the spacing blade in the second connector shaft upwards, it is ensured thatBlade is not fallen out, still, and on the premise of the second connector and the cooperation of the first connector screw thread, other can realize the second companyFitting is flexibly connected and is able to ensure that the mode that blade will not drop from the second connector with blade, is also applicable to the present inventionBlade and oar seat assembling.The rotor folding unmanned plane in addition, the blade runner assembly of the present invention is particularly suitable for use in.
In summary, assembled for the ease of user, and be easy to user to change the blade damaged, by Portable unmanned machineBefore shipment, blade and oar seat can be assembled together by the present invention beforehand through the manufacturing side (such as factory), so, can be withPackaging quantity is reduced, the aesthetic property of package dress is lifted out, and does not allow error easy to package, is easy to produce management and control.Even more importantIt is, the first connector by coordinating with oar seat screw thread and the second connector with the cooperation of the first connector screw thread of the invention,Realize the assembling of oar seat and blade so that blade, oar seat, the first connector and the second connector form entirety, such oneCome, compared to integrally formed blade and oar seat and other realize oar seat and blade connect mode, interference fit combine spiral shellLine coordinates achieved connection more reliable, and production cost is low.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hairAny change, modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claimsScope.