CN108736640A - Rotor light-weight and for the model of an airplane - Google Patents
Rotor light-weight and for the model of an airplane Download PDFInfo
- Publication number
- CN108736640A CN108736640A CN201810815443.4A CN201810815443A CN108736640A CN 108736640 A CN108736640 A CN 108736640A CN 201810815443 A CN201810815443 A CN 201810815443A CN 108736640 A CN108736640 A CN 108736640A
- Authority
- CN
- China
- Prior art keywords
- shaft
- weight
- skull
- rotor
- airplane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000003625 skull Anatomy 0.000 claims abstract description 51
- 239000003822 epoxy resin Substances 0.000 claims abstract description 6
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 11
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 241000209094 Oryza Species 0.000 description 13
- 235000007164 Oryza sativa Nutrition 0.000 description 13
- 235000009566 rice Nutrition 0.000 description 13
- 239000007787 solid Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 229910001095 light aluminium alloy Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Toys (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A kind of manufacturing cost is low, light-weight, collision resistance is strong and Mass Distribution is uniformly light-weight and is used for the rotor of the model of an airplane.Including motor skull and the shaft being fixed in the axis hole on skull, shaft is Step Shaft, the outer shaft of shaft extends outwardly and affixed with the rotor spiral of aircraft across axis hole, a plurality of annular groove is equipped at intervals on the periphery wall of outer shaft, shaft is fixed as one by seccotine and axis hole.It is by the shorter pivot design of the size used in motor in the prior art at king-size high intensity Step Shaft, connecting screw integrally formed with skull in the prior art is directly replaced with the outer shaft of Step Shaft, thoroughly overcomes the defect of connecting screw easy fracture in the prior art.Shaft is fixedly connected with skull using epoxy resin, is greatly improved the processing efficiency and efficiency of assembling of skull, rotor quality is evenly distributed available preferable flight reappearance.The weight that pivot design can be mitigated to Step Shaft at hollow shaft, then mitigates the weight of entire aircraft.
Description
Technical field
The present invention relates to a kind of motor, more particularly to the rotor of a kind of outer rotating motor on model sports aircraft.
Background technology
The motor that the model of an airplane uses is outer rotating motor, and the stator of the outer rotating motor is fixed on the fuselage of aircraft, outside
The rotor of rotating motor is fixedly connected by connecting screw with the rotor of aircraft, and rotor is sleeved on stator, and the coil of such motor is set
It sets on stator, magnetic pole is arranged on rotor, and when passing through electric current in coil, the rotor being sleeved on stator rotates and drives rotor
Rotation, to make the liftoff flight of aircraft.
In general, outer rotating motor is made of rotor, stator and the shaft that is connected between rotor and stator, rotor by skull and
Housing combination is constituted, and the magnetic pole is fixed in shell, and shell is fixed in the inside of skull, and (side towards stator is interior, court
Be to the side of rotor it is outer, similarly hereinafter), the connecting screw is arranged in the outside of skull.
Skull 2 in the prior art is made by aluminum alloy materials, and the connecting screw 21 is solid hopkinson bar, with skull 2 one
Body shapes and is located at the outside of central substrate 23 of skull 2, and axis hole 24 is equipped in 23 inside of central substrate, the axis hole 24 be blind hole and
It is coaxially set with connecting screw 21, the outer end of the shaft 4 is placed in the axis hole 24, and axis hole 24 is located in central substrate 23
Top be equipped with machine-processed rice screw hole, it is corresponding, in the shaft 4 opposite with machine-processed rice screw hole be equipped with flat position 8, using machine-processed rice screw
7 screw in machine-processed rice screw hole and tight against on the flat position 8 (shown in Figure 4), you can are fixedly connected on shaft 4 and skull 2
Together, achieve the purpose that prevent shaft 4 from loosening with skull 2.
But above structure exists following insufficient：
1) it needs to do flat position 8 in shaft 4, when being pressed into the axis hole 24, the flat position 8 in shaft 4 needs to be directed at institute axis
It is pressed into after the machine-processed rice screw hole stated, increases the difficulty that shaft 4 enters in axis hole 24.
2) due to 2 small volume of skull, when to machine-processed rice screw hole machined (i.e. the trepanning and tapping), because of operating space
Limitation, difficulty increases, to cause processing cost significantly to rise.
3) it after shaft 4 is pressed into axis hole 24, needs the gluing on machine-processed rice screw 7 and then is tightened on the machine-processed rice screw 7
In machine-processed rice screw hole, assembly work is caused to increase.
4) usually it can be caused surprisingly to fall because of some reasons during flight since the model of an airplane 300 is aircraft
It falls or is collided with other objects, and the connecting screw 21 being connected in the prior art with rotor 200 is with 2 integral structure of skull and by aluminium
Alloy material is made (using light aluminum alloy to manufacture skull 2, one being to mitigate the overall weight of the aircraft, and two are
In order to reduce the load of rotor 1 when rotated), when there is accidental falling or collision phenomenon, connecting screw 21 is easily split off
And it is detached with skull 2 and causes entire aircraft damage.
5) due to the setting of the flat position 8 in shaft 4, machine-processed rice screw 7 hole and machine-processed rice screw 7 on skull 2, cause entirely to turn
The Mass Distribution of son 1 is planar uneven in 1 institute of rotor, dynamic balancing value can be caused bigger than normal, to influence flight reappearance.
Invention content
That the technical problem to be solved in the present invention is to provide a kind of manufacturing costs is low, light-weight, collision resistance is strong and quality
Light-weight and for the model of an airplane the rotor being evenly distributed.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
Light-weight and for the model of an airplane the rotor of the present invention, including be connected to skull on the outside of electric machine casing and
The shaft being fixed in the axis hole in the central substrate of the skull, skull outside are equipped with the company that can be fixedly connected with the rotor of aircraft
Connect screw rod, it is characterised in that：The shaft is Step Shaft, and the connecting screw is the outer shaft of the shaft, which passes through institute
Axis hole is stated to extend outwardly, the end of outer shaft be equipped with can be affixed with the rotor spiral of the aircraft external screw thread, with the axis
A plurality of annular groove is equipped at intervals on the periphery wall of the outer shaft in the corresponding region in hole, the shaft is by being filled in the annular groove
In seccotine fix as one with the axis hole.
The shaft is made by steel and is the hollow shaft with hollow channel；The skull is by aluminum alloy materials institute
System.
The outer shaft diameter is more than the diameter of the inner shaft of shaft, is equipped with and extends radially outward with inner shaft joint in outer shaft
And annular convex platform of the holding in the annular chuck on the inside of the axis hole.
The section configuration of shaft at the annular convex platform is waist-hole type, is equipped with axially inward in the annular chuck
Extend and is adapted to the fixture block for clamping and constraining shaft rotation with annular convex platform.
The annular groove is axially continuous helix groove or for intermittent annulus wire casing in an axial direction.
The annular groove is 3-6 items.
The section configuration of the annular groove is " V " shape, semicircle or rectangle.
The interior diameter of the hollow channel is the 1/2-1/3 of the overall diameter of outer shaft (41).
The depth of the annular groove is the 1/20-1/10 of shaft diameter.
The glue power glue is bicomponent epoxy resin, single component epoxy or anaerobic adhesive.
The present invention by the shorter pivot design of the size used in motor in the prior art at king-size high-strength alloy (such as
Titanium alloy etc.) or steel Step Shaft, directly replace connection integrally formed with skull in the prior art with the outer shaft of Step Shaft
Screw rod (the also referred to as aluminium column of skull), thoroughly overcomes the connecting screw easy fracture made in the prior art by aluminium alloy as a result,
Defect.Meanwhile cancelling the structure that flat position is set in shaft and shaft and skull are fixed using machine-processed rice screw, it uses instead
Mode of the setting filled with epoxy resin, shaft is fixedly connected with skull in shaft, which is greatly improved adding for skull
Work efficiency rate and efficiency of assembling, and can ensure that rotor quality is being to be evenly distributed on symmetrical direction with axis, it is preferable to obtain
Flight reappearance (accuracy and flying speed of such as stationarity, direction).
For the present invention further by pivot design at the hollow shaft with hollow channel, which can mitigate the weight of Step Shaft again
Amount then mitigates the load of the weight and rotor rotation of the entire model of an airplane.The configuration of the present invention is simple, manufacturing cost are low, fill
It is few with working hour, it can be widely applied in the outer rotating motor of model.
Description of the drawings
Fig. 1 is the rotor appearance schematic diagram of the present invention.
Fig. 2 is the axial sectional side elevation of the rotor assembled in Fig. 1.
Fig. 3 is the decomposition diagram of Fig. 1.
Fig. 4 is the axial sectional view of rotor in the prior art.
Fig. 5 is the schematic diagram of the model of an airplane.
Reference numeral is as follows：
Rotor 1, skull 2, connecting screw 21, skull main body 22, central substrate 23, axis hole 24, annular chuck 25, fixture block
26, shell 3, magnet 31, shaft 4, outer shaft 41, inner shaft 42, annular convex platform 43, hollow channel 44, annular groove 45, stator 5, line
Circle 51, bottom cover 6, machine-processed rice screw 7, flat position 8, motor 100, rotor 200, the model of an airplane 300.
Specific implementation mode
As shown in Figure 1,3, using the present invention light-weight and for the model of an airplane rotor assemble motor 100 by
Rotor 1, shaft 4, stator 5 and bottom cover 6 are constituted, and rotor 1 is made of skull 2 and shell 3, and several magnet 31 are housed in shell 3,
Coil 51 is wound on stator 5, shaft 4 is connected between rotor 1 and stator 5.
Present invention is generally directed to the connections between the skull 2 and the shaft 4 of motor 100 of 100 rotor 1 of motor in the prior art
The improvement that structure carries out, the advantageous effect generated are simplified connection structures, reduce manufacturing cost, improve 1 drop resistant of rotor and resist
Collision energy and raising 1 axial symmetry Mass Distribution situation of rotor.
Below in conjunction with attached drawing, the present invention is described in detail.
1, skull 2
As shown in Figure 1, 2, skull 2 is made of aluminum alloy materials, is made of two parts, is skull main body 22 and position respectively
In the central substrate 23 of 22 center portion of skull main body.
1) skull main body 22
The periphery of skull main body 22 is fixedly connected by screw with the shell 3 of rotor 1.
2) central substrate 23
Central substrate 23 and 22 part of skull main body are integrally formed, axis hole 24 are equipped in the center of central substrate 23, at this
The inner peripheral of axis hole 24 is set there are one annular chuck 25 inwardly in the axial direction, and the external profile diameter of annular chuck 25 is more than axis
The diameter in hole 24, annular chuck 25 have that certain (specific thickness is big according to product stress to the thickness that enhances 2 intensity of skull
It is small to determine), set that there are two the fixture blocks 26 axially extended in annular chuck 25, the section configuration of fixture block 26 is less than semicircle
Arch (i.e. one section of circular arc and the circular arc to string enclose the shape constituted).
2, shaft 4
Shaft 4 is by stainless steel, titanium or the made Step Shaft of other steel alloys.
Step Shaft is divided into outer shaft 41 and inner shaft 42, and the diameter of outer shaft 41 is more than the diameter of inner shaft 42 also, in outer shaft 41
End periphery wall is equipped with external screw thread, and outer shaft 41 can be affixed with the rotor 200 of aircraft 300 across axis hole 24.
The present invention substitutes connecting screw integrally formed with skull 2 and for solid aluminum column in the prior art by outer shaft 41
21, not only play the role of connecting rotor 200, but also the resistance to deformation of the rotor 1 and the ability of Resisting fractre can be effectively improved, improves this turn
The intensity of son 1.
Shaft 4 moves axially outward in order to prevent, is equipped with and extends radially outward with 42 joint of inner shaft in outer shaft 41
And annular convex platform 43 of the holding in the annular chuck 25.In addition, the setting of annular chuck 25 and annular convex platform 43, for assembly
When by shaft 4 indentation axis hole 24 provide one limit reference platform, solve dress axis degree of difficulty.
Shaft 4 rotates freely after assembling around axis in order to prevent, and the annular convex platform 43, which is arranged to section configuration, is
(waist-hole type refers to that two straight line long sides by being symmetrically arranged and two circular arc short sides enclose the closure figure constituted to waist-hole type
Shape) boss, when by outer shaft 41 be inserted into axis hole 24 in when, the circular arc portion holding of the annular convex platform 43 is in the annular chuck 25
On, the straight portion of annular convex platform 43 between the fixture block 26 described in two, make as a result, the shaft assembled 4 both by
It is free to move axially constraint, is also rotated freely constraint by circumferential.
In order to mitigate the weight of shaft 4, the hollow shaft that the present invention is designed as shaft 4 to have hollow channel 44.
In order to make to fix as one between shaft 4 and skull 2, shaft 4 is further prevented to be rotated in axis hole 24, in shaft
It is located on the periphery wall of the outer shaft 41 in axis hole 24 on 4, it is axially spaced to be equipped with a plurality of annular groove 45, it is then, recessed in annular
Seccotine (such as epoxy resin, bicomponent epoxy resin, single component epoxy or anaerobic adhesive) is filled in slot 45, when assembly,
Shaft 4 is pressed into axis hole 24 after seccotine consolidation, you can the shaft 4 is fastened in axis hole 24, that is, by shaft 4 and head
Lid 2 fixes as one.
Annular groove 45 can be axially continuous helix groove, or intermittent annulus wire casing in an axial direction, and annular is recessed
The number of turns of slot 45 is 3-6 items, and for particular number depending on the length of shaft 4, the present invention is preferably 4.
The section configuration of annular groove 45 is " V " shape, semicircle or rectangle, and the structure is easy to process, need to only be set shaft 4
In the annular groove 45 that can be set easily on lathe.
Since the seccotine in annular groove 45 and its is symmetrical arranged on 4 circumferencial direction of shaft, so, using the structure
Rotor 1 be that symmetrical direction improves quality and is evenly distributed with axis.
In order to keep the intensity of shaft 4, the depth of annular groove 45 to be not easy too deep, the about 1/20- of 41 diameter of outer shaft
1/10.
In order to make shaft 4 that can have preferable intensity and have thickness easy to process, it can also mitigate its weight, it is described
The interior diameter of hollow channel 44 is the 1/2-1/3 of the overall diameter of outer shaft 41.
The present invention has the following advantages compared with prior art：
1) shaft 4 and the processing of skull 2 can be made to become simplified as.
2) shaft 4 and the assembly degree of difficulty of skull 2 can be made to reduce.
3) it is integrally formed after shaft 4 and skull 2 can be made to assemble, improves the intensity of skull 2, reduce broken risk；Together
When also ensure the mass balance problem of rotor 1 circumferentially.
4) steel or titanium shaft 4 of hollow channel 44 are used, both can guarantee that it has preferable intensity, meanwhile, rotor 1
Overall weight is basically unchanged or is reduced (shaft 4 in the prior art is solid shafting).
The outer diameter of the shaft 4 of the rotor 1 of the present invention can do it is more relatively crude, in this way, just optional larger axis
(bearing is arranged on stator) is held, bearing size increases, and opposite crashworthiness hit intensity also increases, and increases entire electricity again as a result,
The crash-worthiness of machine.
Rotor in the prior art, connecting screw 21 are solid aluminum column, 2 one of the connecting screw 21 and skull at
Shape, and its shaft 4 is provided in the blind hole (i.e. 24 in axis hole, shown in Figure 4) on the central substrate 23 of skull 2 Nei,
Blind hole is coaxially set with connecting screw 21, and diameter is less than the diameter of connecting screw 21, and therefore, which is limited to connect
The thickness of screw rod 21 and thinner, a diameter of 5mm of usual connecting screw 21 that is compelled to do.
Claims (10)
1. rotor a kind of light-weight and for the model of an airplane, including it is connected to the skull (2) of motor (100) hull outside
With the shaft (4) in the axis hole (24) that is fixed in the central substrate (23) of the skull (2), be equipped on the outside of skull (2) can with fly
The connecting screw (21) that the rotor (200) of machine (300) is fixedly connected, it is characterised in that：The shaft (4) is Step Shaft, described
Connecting screw (21) is the outer shaft (41) of the shaft (4), which extends outwardly across the axis hole (24), in outer shaft
(41) end be equipped with can be affixed with rotor (200) spiral of the aircraft (300) external screw thread, with the axis hole (24) phase
A plurality of annular groove (45) is equipped at intervals on the periphery wall of the outer shaft (41) of corresponding region, the shaft (4) is by being filled in this
Seccotine in annular groove (45) fixes as one with the axis hole (24).
2. rotor according to claim 1 light-weight and for the model of an airplane, it is characterised in that：The shaft
(4) made by steel and be the hollow shaft with hollow channel (44)；The skull (2) is made by aluminum alloy materials.
3. rotor according to claim 2 light-weight and for the model of an airplane, it is characterised in that：The outer shaft
(41) diameter is more than the diameter of the inner shaft (42) of shaft (4), is equipped with radially in outer shaft (41) and inner shaft (42) joint
Extension and annular convex platform (43) of the holding in the annular chuck (25) on the inside of the axis hole (24).
4. rotor according to claim 3 light-weight and for the model of an airplane, it is characterised in that：The convex annular
The section configuration of shaft (4) at platform (43) be waist-hole type, in the annular chuck (25) be equipped with it is inwardly in the axial direction and
The fixture block (26) for clamping and constraining shaft (4) rotation is adapted to annular convex platform (43).
5. rotor according to claim 4 light-weight and for the model of an airplane, it is characterised in that：The annular is recessed
Slot (45) is axially continuous helix groove or for intermittent annulus wire casing in an axial direction.
6. rotor according to claim 5 light-weight and for the model of an airplane, it is characterised in that：The annular is recessed
Slot (45) is 3-6 items.
7. rotor according to claim 6 light-weight and for the model of an airplane, it is characterised in that：The annular is recessed
The section configuration of slot (45) is " V " shape, semicircle or rectangle.
8. rotor according to claim 2 light-weight and for the model of an airplane, it is characterised in that：It is described hollow logical
The interior diameter in road (44) is the 1/2-1/3 of the overall diameter of outer shaft (41).
9. rotor according to claim 1 light-weight and for the model of an airplane, it is characterised in that：The annular is recessed
The depth of slot (45) is the 1/20-1/10 of shaft (4) diameter.
10. rotor according to claim 1 light-weight and for the model of an airplane, it is characterised in that：The glue power
Glue is bicomponent epoxy resin, single component epoxy or anaerobic adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810815443.4A CN108736640B (en) | 2018-07-24 | 2018-07-24 | Motor rotor for model aircraft with light weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810815443.4A CN108736640B (en) | 2018-07-24 | 2018-07-24 | Motor rotor for model aircraft with light weight |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108736640A true CN108736640A (en) | 2018-11-02 |
| CN108736640B CN108736640B (en) | 2024-08-20 |
Family
ID=63927339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810815443.4A Active CN108736640B (en) | 2018-07-24 | 2018-07-24 | Motor rotor for model aircraft with light weight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108736640B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201315543Y (en) * | 2008-10-23 | 2009-09-23 | 常州华尊铁路电气机械有限公司 | Stepping motor without gaps along axial direction |
| CN204145122U (en) * | 2014-10-10 | 2015-02-04 | 广东威灵电机制造有限公司 | Rotor and there is the motor of this rotor |
| CN104836354A (en) * | 2015-05-10 | 2015-08-12 | 余姚市爱优特电机有限公司 | Brushless motor assembly structure |
| CN206468591U (en) * | 2017-02-17 | 2017-09-05 | 台山市科信特电机有限公司 | A kind of condensation fan |
| CN208424077U (en) * | 2018-07-24 | 2019-01-22 | 深圳市三碧精密技术有限公司 | Rotor that is high-intensitive and being used for the model of an airplane |
-
2018
- 2018-07-24 CN CN201810815443.4A patent/CN108736640B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201315543Y (en) * | 2008-10-23 | 2009-09-23 | 常州华尊铁路电气机械有限公司 | Stepping motor without gaps along axial direction |
| CN204145122U (en) * | 2014-10-10 | 2015-02-04 | 广东威灵电机制造有限公司 | Rotor and there is the motor of this rotor |
| CN104836354A (en) * | 2015-05-10 | 2015-08-12 | 余姚市爱优特电机有限公司 | Brushless motor assembly structure |
| CN206468591U (en) * | 2017-02-17 | 2017-09-05 | 台山市科信特电机有限公司 | A kind of condensation fan |
| CN208424077U (en) * | 2018-07-24 | 2019-01-22 | 深圳市三碧精密技术有限公司 | Rotor that is high-intensitive and being used for the model of an airplane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108736640B (en) | 2024-08-20 |
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Effective date of registration: 20240723 Address after: Room 305, Building 5, Zone 1, Yongfeng Community, Xixiang Street, Bao'an District, Shenzhen City, Guangdong Province 518000 Applicant after: Shenzhen Huoshen Innovation Technology Co.,Ltd. Country or region after: China Address before: Room 302, Building C, Yongjianhong Science and Technology Park, No. 99 Yanshan Avenue, Yanchuan Community, Yanluo Street, Bao'an District, Shenzhen City, Guangdong Province 518000 Applicant before: SHENZHEN SANBI PRECISION TECHNOLOGY Co.,Ltd. Country or region before: China |
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