CN107187591A - Portable unmanned machine, blade runner assembly, rotation system and its assemble method - Google Patents
Portable unmanned machine, blade runner assembly, rotation system and its assemble method Download PDFInfo
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- CN107187591A CN107187591A CN201710392383.5A CN201710392383A CN107187591A CN 107187591 A CN107187591 A CN 107187591A CN 201710392383 A CN201710392383 A CN 201710392383A CN 107187591 A CN107187591 A CN 107187591A
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- blade
- connecting shaft
- connecting hole
- oar seat
- runner assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/37—Rotors having articulated joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U30/00—Means for producing lift; Empennages; Arrangements thereof
- B64U30/20—Rotors; Rotor supports
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
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Abstract
The present invention relates to a kind of Portable unmanned machine, blade runner assembly, rotation system and its assemble method.The blade runner assembly includes oar seat, blade and connecting shaft, the oar seat is provided with the first connecting hole of insertion, the blade is provided with the second connecting hole of insertion, the connecting shaft is arranged in first and second connecting hole, and is interference fitted respectively with the first connecting hole and interporal lacuna cooperation is connected with second.The rotation system includes blade runner assembly and the motor being connected with fastener, and the fastener is arranged in connecting shaft and is at least combined with oar seat.The Portable unmanned machine includes folding fuselage and the multiple rotation systems being connected with fuselage.This invention simplifies operating process of the Portable unmanned machine in assembling and repair and replacement.
Description
Technical field
The present invention relates to unmanned plane field, more particularly to a kind of Portable unmanned machine and its blade runner assembly and rotation system
The assemble method of system and rotation system.
Background technology
Unmanned plane, according to flight characteristic, is broadly divided into fixed-wing formula, rotary wind type and flapping wings type, wherein rotary wind type unmanned plane
With small volume, simple in construction, control ratio is more flexible the features such as, can VTOL, freely hover, additionally it is possible to adapt to it is various from
Right environment, the advantages of possessing autonomous flight and throwing power can be not suitable for complexity and the hazardous environment that the mankind enter at some
Middle carry out operation, there is more and more important application in recent years.
Fig. 1 a to Fig. 1 c show a kind of rotary wind type unmanned plane, and it has four rotors 11, each rotor 11 by motor 12,
Oar seat 13 and two panels blade 14 are constituted.As shown in Figure 1 d, when each rotor 11 is assembled, blade 14 is placed on oar seat 13 first
Relevant position, it is ensured that the connecting hole on blade 14 aligns with the connecting hole on oar seat 13, screw 15 is inserted afterwards, by the He of blade 14
Oar seat 13 is locked in the screwed hole on motor 12 together.
In such mounting means, either manufacturer or user voluntarily assemble, and are both needed to first be aligned corresponding hole position
Motor 12, oar seat 13 and blade 14 can be linked together, it is very inconvenient to operate.If by user voluntarily assembling motor 12,
Oar seat 13 and blade 14, also has that packaging is trifling, easily, is unfavorable for shipment management and control.
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 group
Dress method, to simplify operating process of the Portable unmanned machine in assembling and replacing, and just turns blade before in user
Dynamic component is assembled together, and when user needs to change the blade damaged, only needs integral replacing blade runner assembly, keeps away
Exempt from 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 oar
Seat, blade and connecting shaft, the oar seat are provided with the first connecting hole of insertion, second connection of the blade provided with insertion
Hole, the connecting shaft is arranged in first connecting hole and second connecting hole；Wherein, the connecting shaft connects with described first
Hole is connect to be interference fitted and be connected interporal lacuna cooperation with described second.
Optionally, first connecting hole has upper semisection and for the lower semisection close to motor, second connection
Hole position is between the upper semisection and the lower semisection, and under the connecting shaft and the upper semisection gap are with merging and being described
Half section of interference fit.
Optionally, the connecting shaft at least has first paragraph and second segment；A part for the first paragraph with it is described on
Half intersegmental gap coordinates, and another part is connected interporal lacuna cooperation with described second；The second segment is provided with annular knurl, the second segment
All with the lower semisection be interference fitted, and the second segment length be less than or equal to the lower semisection length.
Optionally, the aperture of the upper semisection be less than the lower semisection aperture, the connecting shaft sequentially pass through it is described under
Half section, the second connecting hole and upper semisection；Or, the diameter of the first paragraph is more than or equal to the diameter of the second segment, and
The connecting shaft sequentially passes through the upper semisection, the second connecting hole and lower semisection, and the connecting shaft also has and described second
The 3rd section of Duan Xianglian, described 3rd section coordinates with the lower semisection gap.
Optionally, length of the annular knurl along connecting shaft axial direction is less than or equal to the length of the second segment.
Optionally, non-penetrating centre bore is additionally provided with the oar seat, and the connecting shaft is hollow structure.
Optionally, the connecting shaft has internal thread.
Optionally, it is additionally provided with the counter sink being connected with the upper semisection on the oar seat.
Optionally, the quantity of the connecting shaft is many, is arranged with a blade in every connecting shaft, the oar seat for pair
Claim structure, first connecting hole is multiple, and multiple first connecting holes are symmetricly set on the oar seat.
Further, present invention also offers a kind of rotation system, it is included described in motor and above-mentioned any one
Blade runner assembly, in addition to the fastener being arranged in the connecting shaft；
Wherein, the motor includes housing and drive shaft, and the drive shaft is fixed on the housing, and the driving
Shaft extension goes out one end of the housing and oar seat is connected；Be provided with screwed hole on the housing, one end of the fastener with
The screwed hole screw thread coordinates, and the other end is at least combined with oar seat.
Further, the present invention separately provides a kind of Portable unmanned machine, including folding fuselage and above-mentioned
Rotation system described in meaning 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：
The connecting shaft is inserted to the first connecting hole of the oar seat and the second connecting hole of the blade, and made described
Connecting shaft and first connecting hole are interference fitted, and be connecteds interporal lacuna with described second and coordinated；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 and insertion
The fastener of the connecting shaft is fixedly connected, and the fastener is at least combined with 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 shipment
Before, 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 reduce
Packaging 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, leads to
The connecting shaft crossed with oar seat interference fit realizes the assembling of oar seat and blade so that blade, oar seat and connecting shaft form whole
Body, so, compared to integrally formed blade and oar seat and other realize the mode that oar seat and blade are connected, interference matches somebody with somebody
Close achieved structure more simple, and assembling is more convenient, quick, especially 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 the rotary wind type unmanned plane shown in Fig. 1 a；
Fig. 1 c are the sectional views of the rotor shown in Fig. 1 b；
Fig. 1 d are the decomposing schematic representations of the 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；
Sectional view when Fig. 2 b are the assemblings 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 connecting shaft for the blade runner assembly that one embodiment of the invention is provided；
Fig. 6 is the schematic diagram of the connecting shaft for the blade runner assembly that another embodiment of the present invention is provided；
Fig. 7 is the schematic diagram of the oar seat for the blade runner assembly that another embodiment of the present invention is provided；
Fig. 8 a are the decomposing schematic representations of single rotation system on the Portable unmanned machine of one embodiment of the invention offer；
Fig. 8 b are the schematic diagrames after the assembling of rotation system shown in Fig. 8 a；
Fig. 8 c are the sectional views of rotation system shown in Fig. 8 b；
Fig. 9 is the schematic diagram for the motor that one embodiment of the invention is provided；
Figure 10 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 -22,34；First connecting hole -221,341；Upper semisection -221a, 341a；Lower semisection -221b, 341b；Groove-
222；Centre bore -224；Counter sink -223；
Connecting shaft -23,33 '；First paragraph -231,331；Second segment -232,332；3rd section -233；
Rotation system -40；
Motor -30；Housing -31；Drive shaft -32；Screwed hole -33；
Screw -40；
Portable unmanned machine -50；
Fuselage -51；Linking arm -52.
Embodiment
Below in conjunction with accompanying drawing 2a to accompanying drawing 10, and specific embodiment is to Portable unmanned machine proposed by the present invention and its oar
The assemble method of leaf runner assembly, rotation system and rotation system is described in further detail.According to following explanation and right
Claim, advantages and features of the invention will become apparent from.It should be noted that, accompanying drawing is used using very simplified form and
Non- 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. 5, Fig. 2 a are single paddle rotating groups on the Portable unmanned machine of one embodiment of the invention
The decomposition texture of part 20, sectional structure when Fig. 2 b are the assemblings of blade runner assembly 20 shown in Fig. 2 a, Fig. 2 c are oars shown in Fig. 2 a
Structure 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, figure
4a 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 22
Structure, Fig. 4 c are the sectional structures of the seat of oar shown in Fig. 4 a 22, and Fig. 5 is the connecting shaft of the blade runner assembly 20 of one embodiment of the invention
23 structure.
As shown in Figure 2 a, the blade runner assembly 20 includes blade 21, oar seat 22 and connecting shaft 23.The blade 21 is wrapped
Include but be not limited to two, can also be three or three with first-class.But the quantity of the connecting shaft 23 is consistent with blade 21,
A blade 21 is socketed with i.e. one connecting shaft 23.However, for the ease of narration, below describe in for a blade 21 come
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, should
The rotational plane of first connecting hole 221 and blade 21 is perpendicular.And 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.The connecting shaft 23 is preferred to be had
There is connected first paragraph 231 and second segment 232 (becoming apparent from being shown in Fig. 5).
Optionally, first connecting hole 221 have upper semisection 221a and lower semisection 221b (see Fig. 4 c), it is described under
Half section of 221b is used to set close to motor 30, and the upper semisection 221a is used to realize that gap coordinates with first paragraph 231, and described
Lower semisection 221b, which is used to realize with second segment 232, to be interference fitted.
For Fig. 2 a to Fig. 5, the assembling process of the blade runner assembly 20 is specifically included：
First, the blade 21 is placed on a pre-position on oar seat 22, and makes the second connecting hole 211 of blade 21
Alignd (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 211
In 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 with
Between half section of 221b；
Afterwards, the direction indicated by arrow R, connecting shaft 23 is sequentially inserted into the upper semisection of the first connecting hole 221
221a, the second connecting hole 211 and the first connecting hole 221 lower semisection 221b, and the lower semisection 221b is for close to following
Motor 30 set；
After fully-inserted, the first paragraph 231 of the connecting shaft 23 and upper semisection 221a gaps coordinate (i.e. first paragraph 231
Diameter is less than upper semisection 221a aperture), and also with the cooperation of the gap of the second connecting hole 211, (i.e. second is connected the first paragraph 231
The aperture in hole 211 is more than the diameter of first paragraph 231), while the second segment 232 of the connecting shaft 23 is matched somebody with somebody with lower semisection 221b interference
(i.e. the diameter of second segment 232 is more than lower semisection 221b aperture, and the diameter of preferably second segment 232 is also less than upper semisection 221a for conjunction
Aperture), finally realize being fixedly connected for connecting shaft 23 and oar seat 22, and connecting shaft 23 is connected with the rotation of blade 21；
So, on the one hand blade 21 is rotated around connecting shaft 23, on the other hand causes connecting shaft 23 with interference fit
Mode is realized to be fixedly connected with oar seat 22, so that blade 21 is arranged on oar seat 22 in swingable mode.Certainly, institute
State after blade 21 is socketed in connecting shaft 23, be provided with limit features on the connecting shaft 23 or oar seat 22, the spacing spy
Requisition is to limit the movement of blade 21 in the axial direction, to prevent blade 21 from coming off, it is preferred that blade 21 is inserted into the recessed of oar seat 22
In groove 222, the displacement of blade 21 can be limited in the axial direction.
In the present embodiment, the length of the first paragraph 231 is more than upper semisection 221a length, so that the one of first paragraph 231
Part coordinates with upper semisection 221a gaps, and another part and the gap of the second connecting hole 211 coordinate.In addition, the second segment 232
Length is preferably lower than or equal to lower semisection 221b length so that second segment 232 all with lower semisection 221b be interference fitted.When
When the length of the second segment 232 is less than lower semisection 221b length, the connecting shaft 23 also includes what is be connected with second segment 232
3rd section 233, described 3rd section 233 coordinates with lower semisection 221b gaps.The second segment 232 and the 3rd section 233 of length it
Preferably lower than or equal to lower semisection 221b length.
In order to strengthen fastening effect, the second segment 232 has annular knurl, i.e., the maximum gauge of described second segment 232 is less than
Upper semisection 221a aperture and the aperture more than lower semisection 221b, enter lower semisection in order to pass through upper semisection 221a
221b.The diameter of the first paragraph 231 is less than upper semisection 221a aperture, and the preferably greater than or equal to maximum of second segment 232
Diameter (i.e. the external diameter of annular knurl), more preferably described first paragraph is identical with the diameter of second segment.Optionally, the annular knurl is along connecting shaft
Such as the length of 23 axis direction may be less than or equal to the length of second segment 232, shown in Fig. 5, and the length of the annular knurl is equal to
The length of second segment 232.In one embodiment, described 3rd section 233 of diameter can be 2.9mm, and the lower semisection
221b aperture is 3.0mm, and the external diameter of the annular knurl is 3.1mm.
It should be noted that user assembles for convenience, and it is easy to user to change the blade damaged in use
21, before by Portable unmanned machine shipment, beforehand through the manufacturing side (such as factory) by blade 21 and the assembling of oar seat 22 one
Rise, 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 production
Management and control.What is more important, realizes the assembling of oar seat 22 and blade 21 by the connecting shaft 23 with the interference fit of oar seat 22, makes
Blade 21, oar seat 22 and connecting shaft 23 form entirety, so, compared to integrally formed blade and oar seat and its
He realizes the mode that oar seat and blade are connected, and the achieved structure of interference fit is more simple, and assembles more convenient, fast
Speed, especially production cost are 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 221a
It is connected so that the first connecting hole 221 together form T fonts hole with counter sink 223.The oar seat 22 is preferably symmetrical structure,
Multiple first connecting holes 221 are preferably symmetrical along the axis of short transverse on oar seat 22.In addition, the oar seat 224 is also
Centre bore 224 is provided with, the center line of the centre bore 224 is overlapped with oar seat 22 along the axis of short transverse, in order to follow-up
Motor driving shaft is arranged in centre bore, realizes and allows gear and the purpose of oar seat centralized positioning.In addition, the centre bore 224 can be with
It is through hole or blind hole, preferably blind hole, aesthetic property is good.
Then, referring back to Fig. 2 c, the blade 21 can within the specific limits be rotated around connecting shaft 23, to realize flight
Function.And.It should know, the upper semisection 221a of first connecting hole 221 is set to and connecting shaft by the present embodiment
23 gap of first paragraph 231 coordinates, it is therefore intended that prevents the deflection of connecting shaft 23, plays position-limiting action, separately by the of connecting shaft 23
Coordinate with lower semisection 221b gaps for three section 233, to play the guiding role, can so make smoothly the first connecting hole of insertion of connecting shaft 23
221 and second connecting hole 211 and smoothly tighten, and operate more convenient.
Then, refering to Fig. 5, the second segment 232 of the connecting shaft 23 carries annular knurl, so that the company of realization by way of pressing
Spindle 23 and the interference fit of oar seat 22.The second segment 232 and lower semisection 221b amount of interference can be in 0.1mm~0.2mm
Between.Obviously, the setting of annular knurl can strengthen bonding strength, be prevented effectively from connecting shaft 23 and come off.The preferred gold of the connecting shaft 23
Belong to material, bonding strength is high, more preferably brass or similar metal material, to prevent getting rusty.
In the above-described embodiments, described, the connecting shaft 23 sequentially passes through the upper semisection of the first connecting hole 221
After 221a, the second connecting hole 211 and the first connecting hole 221 lower semisection 221a, the connection with oar seat 22 and blade 21 is realized.
But, in other embodiments, the connecting shaft 23 it is also possible that sequentially pass through lower semisection 221b, the second connecting hole 211 and
Upper semisection 221a, to realize its connection with blade 21 and oar seat 22, referring particularly to Fig. 6 and Fig. 7.In addition to above-mentioned blade 21, institute
Stating blade runner assembly 20 includes connecting shaft 33 ' and oar seat 34, is described below only for the difference with above-described embodiment.
As shown in Figure 6 and Figure 7, the connecting shaft 33 ' has on first paragraph 331 and second segment 332, and oar seat 34
First connecting hole 341 has upper semisection 341a and lower semisection 341b, and the aperture of the upper semisection 341a is less than lower semisection 341b
Aperture.During actual assembled, connecting shaft 33 is inserted by the direction of arrow in Fig. 7, and make a part and upper half for the first paragraph 331
Section 341a gaps coordinate, and the gap of the second connecting hole 211 of another part and blade 21 coordinates, while the second segment 332 is complete
Portion is interference fitted with lower semisection 341b.In addition, the length of the second segment 332 of the connecting shaft 33 is equal to lower semisection 341b length
Degree, moreover, the length of annular knurl in the axial direction on the second segment 332 is less than the length of second segment 332.
Wherein, if being assembled in the way of connecting shaft 23 sequentially passes through upper semisection, the second connecting hole and lower semisection, it will connect
When spindle 23 is pressed into the first connecting hole 221, the connecting shaft 23 will not produce axial force to upper end of the oar seat 22 away from motor 30,
Oar seat upper end is prevented to be deformed and compress the root of blade 22, the flexibility reduction for rotating blade.Specifically, with even
Spindle 23 is sequentially passed through in the assembling mode of lower semisection, the second connecting hole and upper semisection, the second segment 332 of the connecting shaft 33 '
When being interference fitted with the lower semisection 341b of oar seat 34, the power of axial direction will be applied close to the bottom of motor to oar seat 34, oar can be made
34 bottoms of seat produce certain deformation, so that the distance between the upper and lower end parts of oar seat 34 diminishes, blade 21 is rotated not
Flexible.
And then, after the assembling of blade and oar seat is completed, both just can be packed to shipment, afterwards, user is receiving together
When, only blade runner assembly 20 need to mutually be assembled with corresponding motor 30, just can realize the rotation system of Portable unmanned machine
Assembling, finally, on the linking arm that all rotation systems are arranged on to Portable unmanned machine, you can complete the group of Portable unmanned machine
Dress, in this way, simplify the assembling process of user, once and blade 21 damage, as long as blade runner assembly 20 is overall
Removed from motor 30, you can realize the replacing of blade 21, it is very convenient.Illustrate the Portable unmanned machine of another embodiment below
Single rotation system 40, refer to Fig. 8 a to Fig. 9.
Fig. 8 a are the decomposition texture of single rotation system 40 on the Portable unmanned machine of one embodiment of the invention offer, Fig. 8 b
It is the structure after the assembling of rotation system 40 shown in Fig. 8 a, Fig. 8 c are the sectional structures of rotation system 10 shown in Fig. 8 b, and Fig. 9 is this hair
The schematic diagram for the motor 30 that a bright embodiment is provided.The rotation system 40 includes above-mentioned blade runner assembly 20, motor 30
And fastener 50.In described below, narration, but following embodiment party are simplified using oar seat 22 and connecting shaft 23 as signal
Formula is equally applicable to oar seat 34 and connecting shaft 33.
As shown in figure 9, the motor 30 includes housing 31 and drive shaft 32, the drive shaft 32 is arranged on housing 31 simultaneously
It is connected with housing 31, and two screwed holes 33, the quantity of screwed hole 33 and the quantity phase of blade 21 is provided with the housing 31
Unanimously.
With reference to Fig. 8 a to Fig. 8 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, and makes oar seat 22
Above each first connecting hole 221 screwed hole 33 corresponding with housing 31 aligns；
Afterwards, the direction indicated by arrow S, respectively inserts a fastener 50 in a connecting shaft 23, and makes tight
One end that firmware 50 stretches out connecting shaft 23 is screwed in a corresponding screwed hole 33；
Afterwards, all fasteners 50 are locked with corresponding screwed hole 33, and make all fasteners 50 also at least with oar seat
22 are combined, and realize being connected for blade runner assembly 20 and motor 30 with this, you can obtain the rotation system 40.
In one embodiment, the fastener 50 has active section and a head 51 being connected with the active section, should
Head 51 assembling when can be contained in oar seat 22 counter sink 223 in so that limit oar seat 22 displacement and by oar seat 22 and electricity
Machine 30 is connected.In another embodiment, the connecting shaft 23 is hollow structure and is provided with internal thread, is inserted in fastener 50
After connecting shaft 23, fastener 50 is threadedly coupled with connecting shaft 23, on the other hand make fastener 50 and screw thread on motor
Hole 33 is connected.
The head 51 of the fastener 50 includes but is not limited to plush copper or tack, preferably tack, aesthetic property
It is good.On the head 51 set grooved hole (non-label), such as yi word pattern or cross slotted eye, in order to external tool by
The slotted eye is dismantled or clinch fastener 50.
Specifically, the fastener 50 includes one section of external screw thread and one section of smooth section, (smooth section herein, is not
What is understood on literal has smooth surface, it is, the present invention does not limit the surface appearance of smooth section, such as may also set up
Raised or groove etc.), the head 51 is connected with one section of smooth section, during actual assembled, one section of external screw thread at least with
The screw thread of screwed hole 33 coordinates, and one section of smooth section can coordinate or close-fitting with the gap of connecting shaft 23.One section of outer spiral shell
The specification of line can be M2, but coarse thread or closely-pitched all can, as long as can firmly lock.In order to coordinate with M2 external screw thread,
It is diameter 1.7mm internal thread that the aperture of at least described screwed hole 33 is optional.
When actual use, the motor 30 drives oar seat 22 to rotate by its drive shaft 32, and drives simultaneously on oar seat 22
Two blades 21 rotate, moreover, the housing 31 of the motor 30 also concomitant rotation.Wherein, the drive shaft 32 and centre bore 224
Can be realized with close-fitting it is connected, and the oar seat 22 bottom surface fitted with the upper surface of housing 31.First connecting hole 221
Ultimate range between upper semisection 221a and lower semisection 221b is more than or equal to the length of connecting shaft 23, so that the company after assembling
Spindle 23 without departing from oar seat 22 close to motor 30 one side.
Further, as shown in Figure 10, the embodiment of the present invention additionally provides a kind of Portable unmanned machine 60, and it includes rolling over
Folded fuselage 61 and multiple rotation systems, each rotation system includes a blade runner assembly 20 and a motor 30.
The plurality of rotation system is provided at circumferentially spaced along fuselage 61, and the electric machine casing of each rotation system and one can
The linking arm 62 of folding rotates connection.Every linking arm 62 is connected with fuselage 61 in telescopic manner, i.e., linking arm 62 can
To make the motion closer or far from fuselage 61.When the linking arm 62 is made close to the motion of fuselage 61, it can reduce portable
The size of unmanned plane 60, it is easy to carry and transport；When the linking arm 62 makees the motion away from fuselage 61, it is possible to achieve flight
Function.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, not
Be 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 company
Connect the upper and lower between half section of hole), it is clear that groove herein is used for movement of the spacing blade on connecting shaft axial direction, it is ensured that blade
Do not fall out, still, on the premise of connecting shaft and oar seat interference fit, other can realize that connecting shaft is flexibly connected with blade
And the mode that blade will not drop from connecting shaft is able to ensure that, also it is applicable to the assembling of the blade and oar seat of the present invention.Separately
Outside, blade runner assembly of the invention is particularly suitable for use in rotor folding unmanned plane.
In summary, assembled for the ease of user, and be easy to user to change the blade damaged, by Portable unmanned machine
Before shipment, blade and oar seat can be assembled together by the present invention beforehand through the manufacturing side (such as factory), so, can be with
Packaging 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 important
It is the assembling of oar seat and blade to be realized by the connecting shaft with oar seat interference fit so that blade, oar seat and connecting shaft are formed
Entirety, so, compared to integrally formed blade and oar seat and other realize the mode that oar seat and blade are connected, mistake
The structure being full of achieved by coordinating is more simple, and assembling is more convenient, quick, and especially 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 hair
Any change, modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Scope.
Claims (10)
1. a kind of blade runner assembly, for Portable unmanned machine, it is characterised in that described including oar seat, blade and connecting shaft
Blade is movably arranged on the oar seat, and the oar seat is provided with the first connecting hole of insertion, and the blade is provided with insertion
Second connecting hole, the connecting shaft is arranged in first connecting hole and second connecting hole；Wherein, the connecting shaft and institute
The first connecting hole is stated to be interference fitted and be connected interporal lacuna cooperation with described second.
2. blade runner assembly as claimed in claim 1, it is characterised in that first connecting hole has upper semisection and use
In the lower semisection close to motor, second connecting hole is located between the upper semisection and the lower semisection, and the connection
Axle matches somebody with somebody to merge with the upper semisection gap to be interference fitted with the lower semisection.
3. blade runner assembly as claimed in claim 2, it is characterised in that the connecting shaft at least has first paragraph and the
Two sections；A part for the first paragraph coordinates with the upper semisection gap, and another part is connected interporal lacuna cooperation with described second；
The second segment is provided with annular knurl, and the second segment is all interference fitted with the lower semisection, and the length of the second segment
Less than or equal to the length of the lower semisection.
4. blade runner assembly as claimed in claim 3, it is characterised in that the aperture of the upper semisection is less than the lower semisection
Aperture, the connecting shaft sequentially passes through the lower semisection, the second connecting hole and upper semisection；
Or, the diameter of the first paragraph is more than or equal to the diameter of the second segment, and the connecting shaft sequentially pass through it is described
Upper semisection, the second connecting hole and lower semisection, the connecting shaft also have the 3rd section be connected with the second segment, the described 3rd
Section coordinates with the lower semisection gap.
5. the blade runner assembly as described in claim 3 or 4, it is characterised in that the annular knurl is along connecting shaft axial direction
Length is less than or equal to the length of the second segment.
6. the blade runner assembly as any one of claim 1-4, it is characterised in that be additionally provided with the oar seat non-
The centre bore of insertion, and the connecting shaft is for hollow structure and/or with internal thread.
7. the blade runner assembly as any one of claim 1-4, it is characterised in that the quantity of the connecting shaft is many
A blade is arranged with root, every connecting shaft；The oar seat is symmetrical structure, and first connecting hole is multiple, Duo Gesuo
The first connecting hole is stated to be symmetricly set on the oar seat.
8. a kind of rotation system, it is characterised in that the blade including motor and as any one of claim 1-7 is rotated
Component, in addition to the fastener being arranged in the connecting shaft；
Wherein, the motor includes housing and drive shaft, and the drive shaft is fixed on the housing, and the driving shaft extension
The one end and oar seat for going out the housing are connected；Screwed hole, one end of the fastener and the spiral shell are provided with the housing
Pit screw thread coordinates, and the other end is at least combined with oar seat.
9. a kind of Portable unmanned machine, it is characterised in that including rotation system as claimed in claim 8 and folding machine
Body, the rotation system is multiple, and multiple rotation systems are connected with the fuselage.
10. a kind of assemble method of rotation system as claimed in claim 8, it is characterised in that including：
The connecting shaft is inserted to the first connecting hole of the oar seat and the second connecting hole of the blade, and makes the connection
Axle and first connecting hole are interference fitted, and be connecteds interporal lacuna with described second and coordinated；And
The drive shaft of the motor is inserted into the centre bore of the oar seat and is connected, and the housing of the motor is described with insertion
The fastener of connecting shaft is fixedly connected, and the fastener is at least combined with oar seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710392383.5A CN107187591A (en) | 2017-05-27 | 2017-05-27 | Portable unmanned machine, blade runner assembly, rotation system and its assemble method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710392383.5A CN107187591A (en) | 2017-05-27 | 2017-05-27 | Portable unmanned machine, blade runner assembly, rotation system and its assemble method |
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| CN107187591A true CN107187591A (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710392383.5A Pending CN107187591A (en) | 2017-05-27 | 2017-05-27 | Portable unmanned machine, blade runner assembly, rotation system and its assemble method |
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| CN (1) | CN107187591A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107985585A (en) * | 2017-12-27 | 2018-05-04 | 深圳市道通智能航空技术有限公司 | A kind of propeller, Power Component and unmanned plane |
| CN108928484A (en) * | 2018-07-17 | 2018-12-04 | 西安羚控电子科技有限公司 | A kind of heavy duty detergent unmanned plane folds blade and fixing oar folder |
| CN109606645A (en) * | 2018-12-28 | 2019-04-12 | 成都纵横大鹏无人机科技有限公司 | Paddle blade structure and unmanned plane |
| CN109641653A (en) * | 2017-12-26 | 2019-04-16 | 深圳市大疆创新科技有限公司 | Rotor system and unmanned vehicle |
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