CN212644070U

CN212644070U - Motor element and handheld cloud platform

Info

Publication number: CN212644070U
Application number: CN202021406532.2U
Authority: CN
Inventors: 李海龙
Original assignee: Shenzhen Jingxing Robot Technology Co ltd
Current assignee: Shenzhen Jingxing Robot Technology Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-03-02
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a motor component, which comprises a first shell and a second shell arranged opposite to the first shell; the magnetic ring is arranged on the inner wall of the first shell; the motor stator is arranged in the inner ring of the magnetic ring; a motor shaft fixed to the bottom of the first housing; the motor shaft penetrates through the bearing assembly and is fixedly connected with the locking sleeve; the second shell is provided with a stator support protruding out of the second shell, the stator support and the second shell are integrally formed, the motor stator is sleeved on the stator support, the bearing assembly is arranged in the stator support, a cavity is arranged on one side, back to the stator support, of the second shell, and is provided with a motor driving plate, so that the strength of the motor is improved, and the whole thickness of the motor is reduced.

Description

Motor element and handheld cloud platform

Technical Field

The utility model relates to the technical field of motors, especially, relate to a motor element and handheld cloud platform.

Background

Shooting tools such as cameras are increasingly popularized in life of people, people who have certain requirements on the picture increasingly begin to use the handheld cloud deck, the picture is stabilized, and the requirements on rotation strength, reliability and impact resistance of the cloud deck motor are also increased due to the fact that the cloud deck motor used for controlling the shooting angle is arranged in the handheld cloud deck camera or the cloud deck camera carried on the unmanned aerial vehicle.

The motor structure in the handheld cloud deck is the most important part, the motor structure assembly that is adopted mostly at present is complicated, and size precision requires highly, and the motor easily produces and rocks and motor structural strength reduces to motor thickness is too high, and then causes cloud deck complete machine mechanism too big.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a motor is fixed firm and motor element and handheld cloud platform that motor thickness is little.

The utility model discloses a motor component, which comprises a first shell and a second shell arranged opposite to the first shell; the magnetic ring is arranged on the inner wall of the first shell; the motor stator is arranged in the inner ring of the magnetic ring; a motor shaft fixed to the bottom of the first housing; the motor shaft penetrates through the bearing assembly and is fixedly connected with the locking sleeve; the second shell is provided with a stator support protruding out of the second shell, the stator support and the second shell are integrally formed, the motor stator is sleeved on the stator support, the bearing assembly is arranged in the stator support, a cavity is arranged on one side, back to the stator support, of the second shell, and a motor driving plate is arranged in the cavity.

Optionally, a first reinforcing rib and a plurality of second reinforcing ribs are arranged in the cavity, the first reinforcing rib surrounds the motor shaft and is arranged at the bottom of the cavity, and the second reinforcing ribs are connected with the first reinforcing ribs and extend to the side wall of the cavity from the first reinforcing ribs.

Optionally, a plurality of fixing columns are arranged at the bottom of the cavity, the fixing columns are arranged between the first reinforcing rib and the side wall of the cavity and connected with the second reinforcing rib, and the motor driving board is fixed on the fixing columns through screws.

Optionally, the bearing assembly includes a front bearing and a rear bearing, a front bearing hole and a rear bearing hole are provided in the stator support, the rear bearing hole is located at one end close to the cavity, the front bearing hole is located at one end far away from the rear bearing hole, the front bearing hole is matched with the front bearing, and the rear bearing hole is matched with the rear bearing.

Optionally, the bearing assembly further includes a bearing inner ring, the bearing inner ring is disposed between the front bearing and the rear bearing, a bearing through hole is disposed between the front bearing hole and the rear bearing hole, the bearing inner ring is not in contact with a side wall of the bearing through hole, and two end faces of the bearing inner ring are in contact with inner rings of the front bearing and the rear bearing respectively.

Optionally, the front bearing hole and the rear bearing hole are both provided with spline grooves.

Optionally, a motor wiring board is arranged between the motor stator and the cavity, a wire passing through hole is formed in the bottom surface of the cavity, one end of the motor connecting board is connected with the motor stator, and the other end of the motor connecting board penetrates through the wire passing through hole to be connected with the motor driving board.

Optionally, the motor shaft is a hollow shaft facilitating wiring, a driving plate hole is formed in the motor driving plate, and the driving plate hole is used for allowing a motor wire to pass through.

Optionally, one side of the motor drive plate, which is far away from the motor stator, is provided with at least one pair of hall magnetic induction elements, the locking sleeve is located between the motor drive plate and the second cavity, and one end of the locking sleeve, which is close to the motor drive plate, is provided with a magnet.

The utility model also provides a handheld cloud platform, including handle and cloud platform, cloud platform portion contains course arm component, roll arm component, pitch arm component, centre gripping subassembly, still includes as foretell motor element, all is provided with motor element between handle and the course arm component, between roll arm component and the pitch arm component, between roll arm component and the centre gripping subassembly.

In the motor assembly provided by the utility model, the first shell is formed by injection molding, and one end of the motor shaft is fixedly connected with the bottom of the first shell, so that the stability of the motor shaft is improved; the stator support protrudes out of the second shell, the motor stator is sleeved on the stator support, the bearing assembly is arranged in the stator support, the motor stator is fixed and stable and cannot shake, the overall stability is improved, and meanwhile the coaxiality of the motor shaft and the motor stator is ensured; be provided with the cavity on the second casing back to the stator support, the motor drive plate is installed in the cavity, has reduced motor element's gross thickness, and the motor shaft passes bearing assembly and the lock sleeve fixed connection in the stator support, and the assembly is simple, connects compactly moreover.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive faculty.

In the drawings:

fig. 1 is a schematic view of a handheld pan/tilt head according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a motor assembly according to an embodiment of the present invention;

fig. 3 is a schematic view of a bottom view of a second housing according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a top view of a second housing of an embodiment of the invention;

fig. 5 is a schematic view of a motor stator and motor terminal block of an embodiment of the present invention;

fig. 6 is a schematic diagram of a second housing and a motor drive plate according to an embodiment of the present invention.

100, a handheld cloud deck; 110. a handle; 120. a course arm assembly; 130. a tilt arm assembly; 140. a roll arm assembly; 150. a clamping assembly; 200. a motor assembly; 210. a first housing; 220. a second housing; 230. a motor shaft; 240. a magnetic ring; 250. a motor stator; 260. a bearing assembly; 270. a locking sleeve; 221. a stator support; 261. a front bearing; 262. a rear bearing; 263. a bearing inner ring; 222. a front bearing bore; 223. a rear bearing bore; 224. a bearing through hole; 225. a cavity; 226. a first reinforcing rib; 227. a second reinforcing rib; 228. fixing a column; 300. a motor drive plate; 310. a Hall magnetic induction element; 271. a magnet; 251. a motor wiring board; 229. a wire passing through hole; 320. a drive plate aperture; 250a, a stator outlet terminal; 251a, a wiring board outlet terminal; 330. a motor connection terminal; 340. a first connection terminal; 350. a second connection terminal; 341. a first wire rod; 351. a second wire.

Detailed Description

The invention will be further described with reference to the drawings and alternative embodiments.

It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present invention may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implying any number of indicated technical features. Thus, unless otherwise specified, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1-6, the embodiment of the utility model discloses a motor element 200, apply to handheld cloud platform 100, motor element 200 includes first casing 210, motor shaft 230, magnetic ring 240, motor stator 250, second casing 220, bearing assembly 260, and lock sleeve 280, first casing 210 adopts injection moulding, the bottom at first casing 210 is fixed to the one end of motor shaft 230, because the material of motor shaft and casing is different, fixed mode can adopt to mould plastics, veneer or interference connection, make motor shaft 230 fixed firm, strengthen motor shaft 230's intensity, magnetic ring 240 overlaps on first casing 211's inner wall, after second casing 220 and first casing 210 swing joint, motor stator 250 is set up in magnetic ring 240 inner circle.

It should be noted that the motor assembly 200 of the embodiment of the present invention is not limited to the handheld pan/tilt 100, but may also be a rotating shaft structure of other devices, such as a mechanical arm, a motion camera, etc.; the handheld tripod head 100 includes a handle 110 and a tripod head (not shown), the tripod head includes a heading arm assembly 120, a roll arm assembly 140, a pitch arm assembly 130, and a clamping assembly 150, and a motor assembly 200 is disposed between the handle 110 and the heading arm assembly 120, between the roll arm assembly 140 and the pitch arm assembly 130, and between the roll arm assembly 140 and the clamping assembly 150, and the motor assembly 200 causes relative rotation between the respective assemblies.

For ease of illustration, the present embodiment is illustrated with the motor assembly 200 between the roll arm assembly 140 and the pitch arm assembly 130.

As shown in fig. 2, the second housing 220 is provided with a stator bracket 221 protruding from the second housing 220, the stator bracket 221 and the second housing 220 are integrally formed by injection molding, so as to increase the strength and stability of the motor assembly 200, the stator bracket 221 is provided with a stator mounting position for mounting the motor stator 250, and the motor stator 250 is fixedly sleeved on the stator bracket 221, so as to ensure that the connection between the motor stator 250 and the second housing 220 is stable, so that the motor does not shake, and further improve the stability; the bearing assembly 260 is arranged in the stator bracket, the second housing 220 is provided with an opening through which the motor shaft 230 passes, the motor shaft 230 passes through the bearing assembly 260 and is fixedly connected with the locking sleeve 270, the locking sleeve 280 can be fixed in a threaded, glued or interference manner, the diameter of one end of the locking sleeve 270 is larger than that of the opening, so that the first housing 210 and the second housing 220 are limited in the axial direction, the first housing 210 and the second housing 220 can rotate relatively, the first housing 210 is connected with an integrally formed roll shaft arm, and the second housing 220 is connected with an integrally formed pitch shaft arm; the second housing 220 is provided with a cavity 225 at a side facing away from the stator bracket 221, and a motor driving board is disposed in the cavity 225.

As shown in fig. 3, a cavity 225 is disposed on one side of the second housing 220 opposite to the motor stator 250, a first reinforcing rib 226 and a plurality of second reinforcing ribs 227 are disposed in the cavity 225, the first reinforcing rib 226 and the second reinforcing rib 227 are similar to the shape of a rudder, the first reinforcing rib 226 is in a circular ring shape and is disposed at the bottom of the cavity 225 around the motor shaft 230, the strength of the second housing 220 around the motor shaft 230 is enhanced, the second reinforcing rib 227 is connected with the first reinforcing rib 226, and the second reinforcing rib 227 radially extends from the side edge of the first reinforcing rib 226 to the side wall of the cavity 225, so as to enhance the strength of the whole second housing 220, and enable the operation of the motor to be more stable.

Specifically, the cavity 225 is further provided with a plurality of fixing posts 228 for fixing the motor driving board 300, the fixing posts 228 are arranged between the first reinforcing rib 226 and the side wall of the cavity 225, and are connected with the second reinforcing rib 227, so as to reinforce the strength of the fixing posts, the number of the fixing posts 228 is three, the fixing posts are distributed in a triangular shape and have stability, and the motor driving board 300 is fixed on the fixing posts 227 through screws, and is stably connected and fixed.

As shown in fig. 2 and 4, the bearing assembly 260 includes a front bearing 261 and a rear bearing 262, the stator bracket 221 is provided with a front bearing hole 261 and a rear bearing hole 262 therein, the rear bearing hole 262 is located at one end close to the cavity 225, the front bearing hole 261 is located at an end away from the rear bearing hole 223, the front bearing hole 222 is engaged with the front bearing 261, the rear bearing hole 223 is matched with the rear bearing 262, the two bearing holes are coaxially arranged, the motor stator is ensured to be coaxial when rotating around the motor shaft 230, the motor stator is more stable and cannot shake, the motor shaft 230 is simultaneously matched with the front bearing 261 and the rear bearing 262 arranged in the stator bracket 221, the rotating sensitivity is improved, and motor shaft 230 is also fixed simultaneously, improves the stability of motor shaft 230, and front bearing 261 and rear bearing 262 are far away from, have further reduced the lever arm of force of motor shaft 230, and stability strengthens greatly.

Furthermore, spline grooves are formed in the side edges of the front bearing hole 222 and the rear bearing hole 223 and are uniformly distributed, so that the assembling requirements of the front bearing 261 and the rear bearing 271 are reduced, the structural stability is guaranteed, and the good product rate of the bearing assembly is improved; of course, other key slots may be provided, such as flat keys, and the front bearing 261 and the rear bearing 262 may be assembled in other manners, such as snap fit or interference fit.

Further, a smooth bearing through hole 224 is provided between the front bearing hole 222 and the rear bearing hole 223, a bearing inner ring 263 is arranged between the front bearing 261 and the rear bearing 262, the diameter of the bearing inner ring 263 is smaller than that of the front bearing 261 and the rear bearing 262, the bearing inner ring 263 is sleeved in the inner rings of the front bearing 261 and the rear bearing 262, two end faces of the bearing inner ring 263 are respectively contacted with the inner rings of the front bearing 261 and the rear bearing 262, the bearing inner ring 263 is not contacted with the side wall of the bearing through hole 224, the motor shaft 230 rotates to drive the bearing inner ring 263, the front bearing 261 and the rear bearing 262 to synchronously rotate, the motor shaft 230 is locked by the locking sleeve 270, and the bearing inner ring 224 is arranged between the front bearing 261 and the rear bearing 262 so that the locking sleeve 270 can also lock the inner rings of the front bearing 261 and the rear bearing 262, and the motor structure is more firm and stable.

As shown in fig. 5 and 6, at least one pair of hall magnetic induction elements 310 is disposed on one side of the motor drive plate 300 away from the motor stator 250, the locking sleeve 270 is located between the motor drive plate 300 and the cavity 225, a magnet 271 is disposed at one end of the locking sleeve 270 close to the motor drive plate 300, the magnet 271 interacts with the hall magnetic induction elements 310 to convert magnetic force into an electrical signal for driving induction rotation, the locking sleeve 270 is provided with a central hole, the magnet 271 is a ring magnet, and the ring magnet and the locking sleeve 270 are fixed by gluing and interference connection.

As shown in fig. 5, a motor connection board 251 is disposed between the motor stator 250 and the cavity 225, a wire through hole 229 is disposed on the bottom surface of the cavity 225, the motor connection board 251 is a flexible board and made of a rigid-flex board, one end of the motor connection board 251 is connected to the motor stator 250, the other end of the motor connection board 251 passes through the wire through hole 229 to be connected to the motor driving board 300, a stator outlet 250a disposed on an enameled copper wire of the motor stator 250 is electrically connected to the motor connection board 251 to transmit an electrical signal of the motor stator 250, the motor connection board 251 is disposed with a board outlet 251a, the board outlet 251a passes through the wire through hole 229, the motor driving board 300 is disposed on the same side of the hall magnetic induction element 310 and is disposed with a motor connection terminal 330, an interface of the board outlet 251a is connected to the motor connection terminal 330 to transmit an, the electric signal between the motor stator 250 and the motor driving board 300 is transmitted in a wiring manner guided by the motor wiring board 251, thereby reducing the overall thickness of the motor structure.

As shown in fig. 6, the motor shaft 230 is a metal hollow shaft, the motor driving plate is provided with a driving plate hole 320, the motor driving plate 300 is provided with a first connection terminal 340 on one side of the hall magnetic induction element 310, an electric signal at one end of the pan/tilt head can sequentially pass through a hollow hole (not shown in the figure) of the motor shaft 230, a center hole (not shown in the figure) of the locking sleeve 270, a center hole (not shown in the figure) of the magnet 271 and the driving plate hole 320 of the motor driving plate 300 through a first wire 341 on one side of the motor housing, and is finally connected with the first connection terminal 340 and transmits the electric signal, so as to facilitate the passing of an electric connection line, reduce the anti-torsion force generated by the.

Furthermore, the motor driving board 300 is provided with a second connection terminal 350 on one side of the hall magnetic induction element 310, and the second connection terminal 350 transmits the electric signal of one end of the cradle head and the electric signal of the motor driving board 300 to the other end of the cradle head by connecting a second wire 351.

The foregoing is a more detailed description of the present invention, taken in conjunction with specific alternative embodiments, and it is not intended that the present invention be limited to the specific details set forth herein. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. An electric machine assembly, comprising:

a first housing;

a second housing disposed opposite to the first housing;

the magnetic ring is arranged on the inner wall of the first shell;

the motor stator is arranged in the inner ring of the magnetic ring;

the motor shaft is fixed at the bottom of the first shell;

the motor shaft penetrates through the bearing assembly and is fixedly connected with the locking sleeve;

the second shell is provided with a stator support protruding out of the second shell, the stator support and the second shell are integrally formed, the motor stator is sleeved on the stator support, the bearing assembly is arranged in the stator support, a cavity is arranged on one side, back to the stator support, of the second shell, and a motor driving plate is arranged in the cavity.

2. The motor assembly of claim 1 wherein a first reinforcing rib is disposed within the cavity and a plurality of second reinforcing ribs are disposed at the bottom of the cavity around the motor shaft, the second reinforcing ribs being connected to the first reinforcing rib and extending from the first reinforcing rib to the side wall of the cavity.

3. The motor assembly of claim 2, wherein a plurality of fixing posts are disposed at a bottom of the cavity, the fixing posts are disposed between the first reinforcing rib and the sidewall of the cavity and connected to the second reinforcing rib, and the motor driving board is fixed to the fixing posts by screws.

4. The motor assembly of claim 1, wherein the bearing assembly comprises a front bearing and a rear bearing, wherein the stator frame defines a front bearing aperture and a rear bearing aperture, wherein the rear bearing aperture is positioned proximate to an end of the cavity, wherein the front bearing aperture is positioned distal to the rear bearing aperture, wherein the front bearing aperture is engaged with the front bearing, and wherein the rear bearing aperture is engaged with the rear bearing.

5. The motor assembly of claim 4, wherein the bearing assembly further comprises a bearing inner ring, the bearing inner ring is arranged between the front bearing and the rear bearing, a bearing through hole is arranged between the front bearing hole and the rear bearing hole, the bearing inner ring is not in contact with the side wall of the bearing through hole, and two end faces of the bearing inner ring are in contact with the inner rings of the front bearing and the rear bearing respectively.

6. The motor assembly of claim 5 wherein said front bearing bore and said rear bearing bore are each provided with a splined groove.

7. The motor assembly as claimed in any one of claims 1 to 6, wherein a motor terminal plate is disposed between the motor stator and the cavity, a wire passing through hole is disposed on a bottom surface of the cavity, and one end of the motor terminal plate is connected to the motor stator and the other end thereof passes through the wire passing through hole and is connected to the motor driving plate.

8. The motor assembly of claim 7 wherein the motor shaft is a hollow shaft for easy routing, and the motor drive plate has drive plate holes disposed therein for passing motor wires therethrough.

9. The motor assembly of claim 8, wherein said motor drive plate is provided with at least a pair of hall effect magnetic sensing elements on a side thereof remote from said motor stator, said locking collar being positioned between said motor drive plate and said second housing, said locking collar being provided with a magnet on an end thereof adjacent to said motor drive plate.

10. A hand-held head comprising a handle and a head, the head comprising a course arm assembly, a roll arm assembly, a pitch arm assembly, a clamp assembly and a motor assembly as claimed in any one of claims 1 to 9, the motor assembly being disposed between the handle and the course arm assembly, between the roll arm assembly and the pitch arm assembly and between the roll arm assembly and the clamp assembly.