CN205248946U - Shell structure , cloud platform control motor and tripod head structure of cloud platform control motor - Google Patents
Shell structure , cloud platform control motor and tripod head structure of cloud platform control motor Download PDFInfo
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- CN205248946U CN205248946U CN201520901636.3U CN201520901636U CN205248946U CN 205248946 U CN205248946 U CN 205248946U CN 201520901636 U CN201520901636 U CN 201520901636U CN 205248946 U CN205248946 U CN 205248946U
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- motor
- potentiometer
- cradle head
- spacing
- shell structure
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Abstract
The utility model relates to a shell structure, cloud platform control motor and tripod head structure of cloud platform control motor, this shell structure can include: the motor casing, be equipped with an opening on the terminal surface of motor casing, for the motor shaft of control motor by stretch out in the motor casing, spacing arch, spacing arch coaxial in the motor betwixt mountains set up in the motor casing on the terminal surface, just spacing bellied inner wall with the outer wall of motor shaft encloses into the spacing ring to realization potentiometre spacing in to the cloud platform. Through this disclosed technical scheme, can realize the coaxial assembly between potentiometre and the motor shaft among the tripod head structure simple, high -efficiently to show the production efficiency who promotes tripod head structure.
Description
Technical field
The disclosure relates to terminal technology field, relates in particular to a kind of shell structure, cloud of cradle head control motorPlatform control motor and cradle head structure.
Background technology
Cradle head structure can carry camera head, to realize the angle control to camera head. For example,In the time that cradle head structure is applied to the aerial photography function of unmanned plane, this cradle head structure can be to shooting dress on unmanned planeCourse angle, the angle of pitch, the roll angle equal angles of putting realize accurately and controlling, and realize stable following or random angleThe shooting of degree attitude, is by the rotational angle of detecting real-time horizontal stage electric machine, and accurately controls horizontal stage electric machineRotation realizes.
In cradle head structure, be built-in with mechanical type potentiometer, potentiometer is set in the motor penetrating in cradle head structureOn axle, thereby control current angle and the rotational angle of motor by detecting, realize accurate angle control.
But there is very high wanting for the axiality between potentiometer and motor shaft in accurate angle controlAsk, coaxiality deviation is large else if, and motor shaft is subject to the horizontal pulling force of potentiometer, and rotation can have some setbacks,The detecting of potentiometer is also inaccurate.
Utility model content
The disclosure provides a kind of shell structure, cradle head control motor and cradle head structure of cradle head control motor,To solve the deficiency in correlation technique.
According to the first aspect of disclosure embodiment, provide a kind of shell structure of cradle head control motor, bagDraw together:
Motor casing, the end face of described motor casing is provided with an opening, for the motor shaft of described control motorBy stretching out in described motor casing;
Spacing preiection, described spacing preiection coaxially in described motor shaft be arranged at the described end face of motor casingUpper, and the inwall of described spacing preiection and the outer wall of described motor shaft surround spacing ring, to realize The Cloud TerraceMiddle potentiometer spacing.
Optionally, described spacing preiection is the annular gusset of being located at described opening part.
Optionally, described spacing preiection is the annular gusset of being located at described opening part.
Optionally, described spacing preiection comprises multiple position-limiting units that non-rectilinear is arranged, and adjacent spacing listBetween unit, there is gap.
Optionally, described spacing preiection is at least two arc sections being located at described opening part.
Optionally, the multiple position-limiting unit setting that is centrosymmetric around the axle center of described motor shaft.
Optionally, described motor casing and the described spacing preiection structure that is formed in one.
According to the second aspect of disclosure embodiment, a kind of cradle head control motor is provided, comprising: as above-mentionedThe shell structure of the cradle head control motor in embodiment described in any one.
According to the third aspect of disclosure embodiment, a kind of cradle head structure is provided, comprising:
Support, be installed on potentiometer and cradle head control motor on printed circuit board (PCB), described cradle head control electricityMachine disposes the shell structure of the cradle head control motor as described in any one in above-described embodiment;
Wherein, a side end face of described support is provided with and can penetrates for described motor shaft and described spacing preiectionThe first installing hole; Described potentiometer is located in described support, and described in described potentiometer is provided with and can suppliesThe second installing hole that motor shaft passes, on described the second installing hole near outside the end face of described the first installing holeWeek is also provided with the spacing plug coaxially matching in described the second installing hole, with described spacing ring.
Optionally, described potentiometer is installed on the side of described printed circuit board (PCB) away from described the first installing hole,And on described printed circuit board (PCB), be positioned at described the second installing hole place and offer the assembling that is matched with described spacing ringHole.
Optionally, on described printed circuit board (PCB), comprise the some screw holes that assemble with described support, andThe aperture R of each screw hole meets:
R1+a×2≤R＜R2
Wherein, R1 is the diameter of the lead screw portion that described screw hole is corresponding, and a is that described potentiometer is mounted toMaximum displacement error amount when described printed circuit board (PCB), R2 is the straight of screw head that described screw hole is correspondingFootpath.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
From above-described embodiment, the disclosure is spacing by arranging in the shell structure at cradle head control motorProjection, and surround spacing ring by spacing preiection and motor shaft, make this spacing ring can pass through frame for movementOn cooperation, realize precisely spacing to potentiometer, thereby can guarantee electricity by simple architecture advancesHigh-axiality between arbor and potentiometer assembles, and can significantly promote the production efficiency of cradle head structure.
Should be understood that, it is only exemplary and explanatory that above general description and details are hereinafter described, can not limit the disclosure.
Brief description of the drawings
Accompanying drawing is herein merged in description and forms the part of this description, shows and meets these public affairsThe embodiment opening, and be used from and explain principle of the present disclosure with description one.
Figure 1A is the perspective view of the cradle head control motor in correlation technique.
Figure 1B is the stereochemical structure signal according to a kind of cradle head control motor shown in an exemplary embodimentFigure.
Fig. 2 is according to the decomposing schematic representation of a kind of cradle head structure shown in an exemplary embodiment.
Fig. 3 is according to the perspective view of a kind of potentiometer shown in an exemplary embodiment.
Fig. 4 is according to the cutaway view of a kind of cradle head structure shown in an exemplary embodiment.
Fig. 5 is according to the decomposing schematic representation of the another kind of cradle head structure shown in an exemplary embodiment.
Fig. 6 is the stereochemical structure signal according to the another kind of cradle head control motor shown in an exemplary embodimentFigure.
Detailed description of the invention
Here will at length describe exemplary embodiment, its sample table shows in the accompanying drawings. BelowWhen description relates to accompanying drawing, unless separately there is expression, the same numbers in different accompanying drawings represents same or analogousKey element. Embodiment described in following exemplary embodiment does not represent the institute consistent with the disclosureThere is embodiment. On the contrary, they be only with as that described in detail in appended claims, of the present disclosure oneThe example of the consistent apparatus and method in a little aspects.
For mechanical type potentiometer, the common process in correlation technique have two aspects can affect motor shaft andAxiality between potentiometer installing hole:
1, control motor and be screwed on support, potentiometer is by SMT (SurfaceMountTechnology, surface mounting technology) technique is welded on pcb board, and pcb board is screwed inOn support. The cooperation in motor shaft and potentiometer hole, has passed through " SMT paster ", " motor and support dressJoin ", 3 tolerance stack of " pcb board and support assembling ", the error of tolerance stack may be large far awayIn the error that requires of potentiometer and motor coaxle degree.
2, after the coaxial assembling of the installing hole of motor shaft and potentiometer, when by lock screw, electricity being installedWhen the pcb board of position device is fixed on support, due to the electric screw driver High Rotation Speed that production line is used, make itContact the rotary torsion that compresses the surface of PCB and produce and can be delivered to pcb board, cause pcb board and shellBetween body, produce slight shift, and and then have influence on the axiality between potentiometer and motor shaft.
In correlation technique, in order to solve the problems of the technologies described above, the settling mode of employing comprises:
Mode one, first with screw, control motor and support are locked, then will be welded with the pcb board of potentiometerBe set on motor shaft, and (or clamp with two housings up and down of support with screw locking pcb board and supportPcb board is fixed), the smooth degree then rotating by testing of electric motors axle, thereby judge motor shaft andWhether potentiometer installing hole meets axiality requirement. If it is all little and smooth and easy that motor shaft rotates the resistance of whole circle,Just think that axiality meets the demands, otherwise need to disassemble screw and adjust after the attitude of potentiometer, againLock the smooth rotation degree of screw and testing of electric motors axle; So circulation, until motor shaft and potentiometer are installedHole meets axiality requirement.
But aforesaid way obviously exists the undue workman of dependence to assemble quality, and test result also exists veryLarge artificial subjective factor, has caused that uncertain, production efficiency of production time is low, product quality is difficult toThe variety of issues such as guarantee.
In mode two, some cradle head structures, adopt magnetic coder to replace mechanical type potentiometer, avoidedAxiality requirement.
But the cost of magnetic coder is far away higher than mechanical type potentiometer on the one hand; On the other hand, due toMagnetic coder has magnetic, makes it must be away from miscellaneous parts such as compasses, thereby installation site is existedHigh requirement, thereby may need the product structure of design specialized, and little, insufficient space for volumePortioned product, even possibly cannot apply magnetic coder and (because place in any case, all may cause magneticDisturb).
Therefore, the disclosure, by the improvement to cradle head structure, is asked with the above-mentioned technology solving in correlation techniqueTopic.
Figure 1A is the perspective view of the cradle head control motor in correlation technique, as shown in Figure 1A,The shell structure of the cradle head control motor 1 in correlation technique comprises:
Motor casing 11, the end face of this motor casing 11 is provided with an opening 111, for this control motor 1Motor shaft 12 by stretching out in this motor casing 11. From Figure 1A, the end face of motor shaft 12 is D shape,The second installing hole 31 (seeing Fig. 3) on potentiometer 3 (seeing Fig. 2) in corresponding The Cloud Terrace is D tooShape, thus axiality between the two require very high, for production process has been brought great difficulty and has chosenWar.
On the basis of the shell structure of the motor of cradle head control shown in Figure 1A 1, as shown in Figure 1B, these public affairsThe shell structure of the cradle head control motor 1 of opening, further comprises:
Spacing preiection 13, this spacing preiection 13 is coaxially arranged at motor casing 11 in these motor shaft 12 groundOn end face, and the outer wall of the inwall of this spacing preiection 13 and this motor shaft 12 surrounds spacing ring 130, withRealization is spacing to potentiometer in The Cloud Terrace 3 (seeing Fig. 2). Wherein, this spacing preiection 13 and motor casing 11Can be integral type structure, but the disclosure limit this.
For the ease of understanding above-mentioned spacing preiection 13 for the installation between motor shaft 12 and potentiometer 3The impact of axiality, describes below in conjunction with the decomposing schematic representation of the cradle head structure shown in Fig. 2. As figureShown in 2, cradle head structure can comprise: cradle head control motor 1 as shown in Figure 1B, support 2 (Fig. 2In only show the latter half housing of " support "), and be installed on the current potential on printed circuit board (PCB) 4Device 3; Wherein, between all parts, be fixed installation by screw 5 grades.
As an exemplary embodiment, as shown in Figure 2, potentiometer 3 can be positioned at printed circuit board (PCB) 4Top, the printed circuit board (PCB) 4 that potentiometer 3 is installed is arranged at support 2 inside; Wherein, support 2Downside end face is provided with first installing hole 21 that can penetrate for this motor shaft 12 and this spacing preiection 13, electricityPosition device 3 is provided with second installing hole 31 that can pass for this motor shaft 12, and printed circuit board (PCB) 4 is provided withThe pilot hole 41 that can penetrate for this motor shaft 12 and this spacing preiection 13.
Meanwhile, after the potentiometer shown in Fig. 23 is overturn, as shown in Figure 3, known at potentiometer 3The second installing hole 31 on (be the end of potentiometer 3 in Fig. 2 near the end face of above-mentioned the first installing hole 21End surface) periphery is also provided with coaxial in the spacing plug 32 of this second installing hole 31.
So, as long as can guarantee the spacing ring forming on this spacing plug 32 and cradle head control motor 1130 cooperatively interact, and mutually assemble when controlling motor 1, support 2, potentiometer 3 and printed circuit board (PCB) 4Time, as shown in Figure 4, in the cradle head structure obtaining, the spacing plug 32 of potentiometer 3 bottoms can lead toCross and insert the spacing ring 130 of controlling motor 1 top, realize coordinating between potentiometer 3 and motor shaft 12.
In the above-described embodiments, on the one hand, between spacing preiection 13 and motor shaft 12, coaxially arrange, because ofAnd spacing ring 130 certainty and this electricity that form between the inwall of spacing preiection 13 and the outer wall of motor shaft 12Arbor 12 is coaxial; On the other hand, spacing plug 32 is coaxially established with the second installing hole 31 on potentiometer 3Put.
Therefore, owing to cooperatively interacting between spacing plug 32 and spacing ring 130, such as this spacing plug32 specification can just be inserted this spacing ring 130 and realize position between the two and fix, soCoaxial relation, spacing plug 32 and the second peace between spacing ring 130 and motor shaft 12 based on above-mentionedCoaxial relation between dress hole 31, must guarantee between known motor shaft 12 and the second installing hole 31Coaxial relation.
Meanwhile, due to the fit system between spacing plug 32 and spacing ring 130, be based on physical arrangementCooperation, as long as all parts meets the requirement in said structure, specification in process of production, just inevitableCan guarantee to meet motor shaft 12 and potentiometer 3 (being actually the second installing hole 31 of this potentiometer 3)Between axiality demand, and with assembling process in technique, qualification, subjective judgement, assembling public affairsThe factor such as poor has been removed association, and the screw terminal that can not be subject to High Rotation Speed causes printed circuit board (PCB) 4The impact of torsion, thereby without axiality being carried out to repeated measurement, cradle head structure being carried out to repeated disassembled and assembled,Make axiality require to become the controllable factor of producer, greatly promoted the production efficiency of cradle head structure.
In fact, show by the test in actual production process: based in correlation technique mentioned aboveThe repeatedly technical scheme of measurement, repeated disassembled and assembled, the axiality qualification rate after each assembling is only less than 50%,Thereby the product of every batch all needs, after at least 3 above dismounting, just likely to reach 90% left sideRight; And based on technical scheme of the present disclosure, the axiality qualification rate after Product Assembly almost reaches 100%,Obviously be better than the technical scheme in correlation technique.
Further, except the cradle head structure shown in Fig. 2, technical scheme of the present disclosure can also be depositedIn relevant structural change, be described in detail respectively below.
1, rigging position
In the embodiment shown in Figure 2, due to potentiometer 3 be installed on this printed circuit board (PCB) 4 away from thisOne side (being the top that potentiometer 3 is installed on printed circuit board (PCB) 4) of one installing hole 21, and motor shaft12 assemblings from bottom to top, thereby motor shaft 12 is from bottom to top successively through support 2, printed circuit board (PCB) 4After potentiometer 3, realize coordinating between this motor shaft 12 and potentiometer 3, and printed circuit board (PCB) 4Upper need to offer and be matched with this spacing ring 130 and (can supply this motor shaft 12 corresponding to the second installing hole 31 placesPenetrate with this spacing preiection 13) pilot hole 41.
For example, as shown in Figure 5, can pass through the architecture advances to potentiometer 3, it is mounted onThe bottom of printed circuit board (PCB) 4, and the bottom of this potentiometer 3 is provided with the second peace as shown in Figure 3 equallyDress hole 31 and spacing plug 32, can pass on support 2 and potentiometer 3 motor shaft 21 successivelyAfter spacing plug 32, the second installing hole 31, realize coordinating between this motor shaft 21 and potentiometer 3,And on this printed circuit board (PCB) 4, the through hole 41 shown in Fig. 2 can be set.
Certainly, even if potentiometer 3 is mounted on to the bottom of printed circuit board (PCB) 4, equally can be at printing electricityOn road plate 4, offer the through hole 41 coaxial with the second installing hole 31, to pass through motor shaft 21 through this sealAfter printed circuit board 4, realize better assembling intensity.
2, the structure of spacing preiection 13
As an exemplary embodiment, spacing preiection 13 can be for being located at opening 111 places of motor casing 11Annular gusset, than as shown in Figure 1B, this spacing preiection 13 can be annular gusset.
As another exemplary embodiment, spacing preiection 13 can comprise the multiple spacing list that non-rectilinear is arrangedUnit, and there is gap between adjacent position-limiting unit. Wherein, multiple position-limiting units can be around this motor shaft 12The axle center setting that is centrosymmetric. As shown in Figure 6, this spacing preiection 13 can be for being located at motor casing for ratioAt least two arc section 13A at 11 opening 111 places and 13B, by this arc section 13A and 13BInwall and the outer wall of motor shaft 12, still can surround required spacing ring 130.
3, the varying aperture of screw hole
As shown in Fig. 2, Fig. 4 and Fig. 5, printed circuit board (PCB) 4 need to be assembled to support 2 by screw 5In, but potentiometer 3 is while being mounted to this printed circuit board (PCB) 4, may have certain displacement error, because ofAnd there is following problems: if still according to script, the screw hole 42 on printed circuit board (PCB) 4 assembles,Obviously will cause potentiometer 3 to be offset the axle center of motor shaft 12; And if needed according to the axiality of potentiometer 3Ask carry out according to, will cause screw hole 22 on screw hole on printed circuit board (PCB) 4 42 and support 2 notCorrespondence, makes screw 5 in process, cause dry to screw hole 42 edges on printed circuit board (PCB) 4 screwingRelate to, form the destruction to printed circuit board (PCB) 4, the position that has influence on potentiometer 3 is set.
Therefore,, in embodiment of the present disclosure, can also pass through the screw hole 42 on printed circuit board (PCB) 4Aperture be configured, to solve above-mentioned technical problem. For example, when bag on printed circuit board (PCB) 4While containing the some screw holes 42 that assemble with support 2, the aperture R of each screw hole 42 can meet:
R1+a×2≤R＜R2
Wherein, R1 is the diameter of the bar portion of the screw 5 of screw hole 42 correspondences, and a is that potentiometer 3 is installedMaximum displacement error amount during to printed circuit board (PCB) 4, R2 is the head of the screw 5 of screw hole 42 correspondencesThe diameter of (being cap nut).
In this embodiment, the aperture R of screw hole 42 can, on reciprocal both direction, all canHold the displacement error of potentiometer 3 in the time being mounted to printed circuit board (PCB) 4, thereby it is same to have solved potentiometer 3Contradiction between axle degree and normal screwing screw 5, avoids the axiality of potentiometer 3 to exert an influence.
Those skilled in the art, considering description and putting into practice after disclosed herein disclosing, will easily expect thisDisclosed other embodiment. The application is intended to contain any modification of the present disclosure, purposes or adaptabilityChange, these modification, purposes or adaptations are followed general principle of the present disclosure and are comprised these public affairsOpen undocumented common practise or conventional techniques means in the art. Description and embodiment only byBe considered as exemplary, true scope of the present disclosure and spirit pointed out by claim below.
Should be understood that, the disclosure is not limited to described above and illustrated in the accompanying drawings accurateStructure, and can carry out various amendments and change not departing from its scope. The scope of the present disclosure is only by instituteAttached claim limits.
Claims (11)
1. a shell structure for cradle head control motor, is characterized in that, comprising:
Motor casing, the end face of described motor casing is provided with an opening, for the motor shaft of described control motorBy stretching out in described motor casing;
Spacing preiection, described spacing preiection coaxially in described motor shaft be arranged at the described end face of motor casingUpper, and the inwall of described spacing preiection and the outer wall of described motor shaft surround spacing ring, to realize The Cloud TerraceMiddle potentiometer spacing.
2. shell structure according to claim 1, is characterized in that, described spacing preiection is for being located atThe annular gusset of described opening part.
3. shell structure according to claim 2, is characterized in that, described spacing preiection is for being located atThe annular gusset of described opening part.
4. shell structure according to claim 1, is characterized in that, described spacing preiection comprises non-Multiple position-limiting units arranged in a straight line, and there is gap between adjacent position-limiting unit.
5. shell structure according to claim 4, is characterized in that, described spacing preiection is for being located atAt least two arc sections of described opening part.
6. shell structure according to claim 4, is characterized in that, multiple position-limiting units are around describedThe setting that is centrosymmetric of the axle center of motor shaft.
7. shell structure according to claim 1, is characterized in that, described motor casing and described limitThe position projection structure that is formed in one.
8. a cradle head control motor, is characterized in that, comprising: as any one institute in claim 1-7The shell structure of the cradle head control motor of stating.
9. a cradle head structure, is characterized in that, comprising:
Support, be installed on potentiometer and cradle head control motor on printed circuit board (PCB), described cradle head control electricityMachine disposes the shell structure of the cradle head control motor as described in any one in claim 1-7;
Wherein, a side end face of described support is provided with and can penetrates for described motor shaft and described spacing preiectionThe first installing hole; Described potentiometer is located in described support, and described in described potentiometer is provided with and can suppliesThe second installing hole that motor shaft passes, on described the second installing hole near outside the end face of described the first installing holeWeek is also provided with the spacing plug coaxially matching in described the second installing hole, with described spacing ring.
10. cradle head structure according to claim 9, is characterized in that, described potentiometer is installed onDescribed printed circuit board (PCB) is away from a side of described the first installing hole, and described in being positioned on described printed circuit board (PCB)The second installing hole place offers the pilot hole that is matched with described spacing ring.
11. cradle head structures according to claim 9, is characterized in that, on described printed circuit board (PCB)Comprise the some screw holes that assemble with described support, and the aperture R of each screw hole meets:
R1+a×2≤R＜R2
Wherein, R1 is the diameter of the lead screw portion that described screw hole is corresponding, and a is that described potentiometer is mounted toMaximum displacement error amount when described printed circuit board (PCB), R2 is the straight of screw head that described screw hole is correspondingFootpath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520901636.3U CN205248946U (en) | 2015-11-12 | 2015-11-12 | Shell structure , cloud platform control motor and tripod head structure of cloud platform control motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520901636.3U CN205248946U (en) | 2015-11-12 | 2015-11-12 | Shell structure , cloud platform control motor and tripod head structure of cloud platform control motor |
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| CN205248946U true CN205248946U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520901636.3U Active CN205248946U (en) | 2015-11-12 | 2015-11-12 | Shell structure , cloud platform control motor and tripod head structure of cloud platform control motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305693A (en) * | 2015-11-12 | 2016-02-03 | 小米科技有限责任公司 | Shell structure of pan-tilt control motor, pan-tilt control motor and pan-tilt structure |
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2015
- 2015-11-12 CN CN201520901636.3U patent/CN205248946U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305693A (en) * | 2015-11-12 | 2016-02-03 | 小米科技有限责任公司 | Shell structure of pan-tilt control motor, pan-tilt control motor and pan-tilt structure |
| CN105305693B (en) * | 2015-11-12 | 2018-10-30 | 小米科技有限责任公司 | Shell structure, cradle head control motor and the cradle head structure of cradle head control motor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Shell structure of pan-tilt control motor, pan-tilt control motor and pan-tilt structure Effective date of registration: 20180209 Granted publication date: 20160518 Pledgee: Silicon Valley Bank Co., Ltd. Pledgor: BEIJING FEIMI TECHNOLOGY CO., LTD. Registration number: 2018310000004 |