CN208397619U - A kind of electric machine structure of holder - Google Patents
A kind of electric machine structure of holder Download PDFInfo
- Publication number
- CN208397619U CN208397619U CN201820962335.5U CN201820962335U CN208397619U CN 208397619 U CN208397619 U CN 208397619U CN 201820962335 U CN201820962335 U CN 201820962335U CN 208397619 U CN208397619 U CN 208397619U
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- shaft
- electric machine
- machine structure
- rotation section
- driving motor
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Abstract
The utility model provides a kind of electric machine structure of holder, shaft including fixed part and rotation section and connecting portion and rotation section, the inside of fixed part is equipped with for the perforative axle track of shaft and the installation cavity being connected with axle track, rolling bearing compatible with shaft is equipped in axle track, the first end of shaft protrudes into installation cavity body, and the second end of shaft is fixedly connected with rotation section；Driving motor is equipped in installation cavity body, the external close-fitting of the first end of shaft has transmission gear, and the output shaft of driving motor is connected with the worm screw being meshed with transmission gear.Based on above structure, worm screw and transmission gear form speed reducer structure, driving motor realizes the indirect driving to shaft by the deceleration mechanism, compared with the prior art, the electric machine structure of the holder has many advantages, such as that electric efficiency is high, load capacity is big, circuit is simple, design cost is low, power consumption is small, cruise duration is long, small in size, light-weight.
Description
Technical field
The utility model relates to holder technical field more particularly to a kind of electric machine structures of holder.
Background technique
Holder is the support equipment of installation, fixed video camera, it, which is divided into, fixes and two kinds of electric platform.Fixed holder is applicable in
In the little situation of image pickup scope, the level of adjustable video camera and the angle of pitching after video camera are installed on fixed holder
Degree, as long as locking adjustment mechanism after reaching best operating attitude.Electric platform is suitable for taking the photograph on a large scale
Picture, it can expand the angular field of view of video camera.The high speed posture of electric platform is realized by operating motor, motor
Receive the signal from controller and accurately runs positioning.
Existing electric platform is substantially all in such a way that brushless motor directly drives, and such mode is with no speed reducer
Structure, low efficiency, control circuit cost is relative complex, and design cost is high, and power consumption is high, and cruise duration is short, motor weight weight, volume
The disadvantages of big.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of electric machine structure of holder, slowed down using worm and gear
Mechanism, with electric efficiency is high, load capacity is big, circuit is simple, design cost is low, power consumption is small, cruise duration is long, volume
The advantages that small, light-weight.
Based on this, the utility model provides a kind of electric machine structure of holder, including fixed part and rotation section and connection
The shaft of the fixed part and the rotation section, the inside of the fixed part be equipped with for the perforative axle track of the shaft and with institute
It states the installation cavity that axle track is connected, is equipped with rolling bearing compatible with the shaft in the axle track, the of the shaft
One end is protruded into the installation cavity body, and the second end of the shaft is fixedly connected with the rotation section；
Driving motor is equipped in the installation cavity body, the external close-fitting of the first end of the shaft has transmission gear, described
The output shaft of driving motor is connected with the worm screw being meshed with the transmission gear.
Preferably, the fixed part is equipped with recess and dismountable cover board away from the side of the rotation section,
The cover board covers the recess and forms the installation cavity, and the lateral surface of the cover board is equipped with driving circuit and signal circuit,
The driving circuit is electrically connected by power supply line with the driving motor, and the signal circuit draws the signal for being used for transmission signal
Line.
Preferably, the shaft is hollow shaft, is internally provided with the hollow cavity passed through for the signal wire.
Preferably, the reaction magnetic ring that can be rotated together with the shaft is equipped in the installation cavity body, it is described
Reaction magnetic ring is located at the first end of the shaft, and the inside of the reaction magnetic ring is equipped with and is connected with the hollow cavity, supplies
The channel that the signal wire passes through.
Preferably, the inner wall of the axle track is equipped with annular convex platform, and the rolling bearing is set as two, described in two
Rolling bearing is lived apart the two sides of the annular convex platform.
Preferably, the driving motor is brush motor.
Implement the utility model embodiment, has the following beneficial effects:
The utility model provides a kind of electric machine structure of holder, including fixed part and rotation section and connecting portion with turn
The shaft in dynamic portion, the inside of fixed part are equipped with for the perforative axle track of shaft and the installation cavity being connected with axle track, in axle track
Equipped with rolling bearing compatible with shaft, the first end of shaft is protruded into installation cavity body, and the second end of shaft and rotation section are solid
Fixed connection, rotation section can be rotated by shaft relative to fixed part as a result,.On this basis, driving electricity is equipped in installation cavity body
Machine, the external close-fitting of the first end of shaft have a transmission gear, and the output shaft of driving motor is connected with to be meshed with transmission gear
Worm screw, thus, worm screw and transmission gear have formed deceleration mechanism, and driving motor is realized by the deceleration mechanism to the indirect of shaft
Driving.Based on this, on the one hand, the electric machine structure uses gear-driven indirect drive manner, compares with previous directly driving,
Reduce the components such as coil windings, to simplify the control circuit of driving motor, reduces the design cost of holder；Another party
Face, deceleration mechanism are improved greatly transmission ratio, avoid stage-geared, reduce structure diastema, to improve
The efficiency and load capacity of motor allow driving motor smaller lighter more energy efficient, and then reduce the volume of holder, reduce
The weight of holder, extends the cruise duration of holder.
Detailed description of the invention
Fig. 1 is the explosive view of the electric machine structure of the holder of the utility model embodiment.
Fig. 2 is the sectional view of the electric machine structure of the holder of the utility model embodiment.
Fig. 3 is the enlarged drawing in the region I in Fig. 2.
Description of symbols:
1, fixed part, 11, convex mouth, 12, limited block, the 13, second ring rib, 2, rotation section, 21, first annular raised line,
3, shaft, 31, clamping bump, 32, protrusion, 4, rolling bearing, 5, driving motor, 6, transmission gear, 7, worm screw, 8, induction magnetic
Ring, 9, cover board, 10, driving circuit, 20, signal circuit, 30, power supply line, 40, signal wire.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1 to Figure 2, the utility model embodiment provides a kind of electric machine structure of holder, mainly includes fixed part 1
With the shaft 3 of rotation section 2 and connecting portion 1 and rotation section 2, the inside of fixed part 1 be equipped with for the perforative axle track of shaft 3 with
And the installation cavity being connected with axle track, axle track is interior to be equipped with rolling bearing 4 compatible with shaft 3, and the first end of shaft 3 protrudes into
In installation cavity body, the second end of shaft 3 is fixedly connected with rotation section 2, and rotation section 2 can be by shaft 3 relative to fixed part as a result,
1 rotation.On this basis, driving motor 5 is equipped in installation cavity body, the external close-fitting of the first end of shaft 3 has transmission gear 6,
The output shaft of driving motor 5 is connected with the worm screw 7 being meshed with transmission gear 6, it is preferred that the number of teeth of worm screw 7 is much smaller than transmission
The number of teeth of gear 6, thus, worm screw 7 and transmission gear 6 constitute deceleration mechanism, and driving motor 5 passes through deceleration mechanism realization pair
The indirect driving of shaft 3.
Based on above structure, on the one hand, the electric machine structure uses gear-driven indirect drive manner, with previous direct
Driving is compared, and the components such as coil windings are reduced, to simplify the control circuit of driving motor 5, reduces the design of holder
Cost；On the other hand, transmission ratio is improved greatly in deceleration mechanism, avoids stage-geared, reduces structure diastema,
To improve the efficiency and load capacity of motor, allow driving motor 5 smaller lighter more energy efficient, and then reduce holder
Volume, reduce the weight of holder, extend the cruise duration of holder.
Further, as shown in Figure 2 to Figure 3, the second end of shaft 3 is equipped with the clamping bump 31 of annular, and rotation section 2 is equipped with
Notch towards fixed part 1 groove, the bottom wall of groove equipped with the axis hole being caught in for clamping bump 31, clamping bump 31 as a result,
It is clamped with axis hole and realizes being fixedly connected for shaft 3 and rotation section 2.Fixed part 1 is equipped with the convex mouth in the groove for protruding into rotation section 2
11, the inside of convex mouth 11 is formed for the perforative axle track of shaft 3.In order to enable shaft 3 to stop revolving immediately in extreme angles position
Turn, the open edge of convex mouth 11 is equipped with limited block 12, and the outside of shaft 3 is equipped with corresponding with limited block 12 raised 32, when turning
When axis 3 rotates to extreme position, driving motor 5 is shut down, and at the same time, limited block 12 blocks the protrusion 32 of shaft 3, prevents shaft
3 further rotate drive driving motor 5, to play the role of protecting driving motor 5.In addition, rotation section 2 and solid in order to prevent
Determine the gap between portion 1 and be involved in sundries, the notch edges of groove are equipped with first annular raised line 21, and fixed part 1 is towards rotation section 2
Surface is equipped with second ring rib 13 corresponding with first annular raised line 21, and the second ring rib 13 and first annular raised line
21 dislocation.
Still further, as shown in Fig. 2, being rotated to keep the rotation of shaft 3 more smooth and better support rotating portion 2
Bearing 4 is set as two, and the inner wall of axle track is equipped with annular convex platform, the two sides of two separation annular convex platform of rolling bearings 4.In order into one
Step reduces the volume and weight of holder, the preferred brush motor of driving motor 5, such as low cost, the hollow-cup motor of small size etc..
Further, as shown in Fig. 2, fixed part 1 is equipped with recess and dismountable cover board away from the side of rotation section 2
9, cover board 9 covers recess and forms installation cavity, and as a result, by disassembly cover board 9, user can be to the intracorporal driving motor of installation cavity
5, transmission gear 6 and reaction magnetic ring 8 are overhauled or are replaced, simple to operate.It is driven in addition, the lateral surface of cover board 9 is equipped with
Dynamic circuit 10 and signal circuit 20, driving circuit 10 are electrically connected by power supply line 30 with driving motor 5；Signal circuit 20, which is drawn, to be used
In the signal wire 40 of transmission signal, for the ease of the arrangement of signal wire 40, while the inner space of holder is made full use of, shaft 3
Using hollow shaft, it is internally provided with the hollow cavity passed through for signal wire 40.It can be with shaft in addition, being additionally provided in installation cavity body
3 reaction magnetic rings 8 rotated together with, reaction magnetic ring 8 are located at the first end of shaft 3, for detecting the rotation angle of shaft 3, also,
The inside of reaction magnetic ring 8 is equipped with the channel being connected with hollow cavity, which is equally used for passing through for signal wire 40.
To sum up, the utility model provides a kind of electric machine structure of holder, including fixed part 1, rotation section 2 and hollow turn
Axis 3, the inside of fixed part 1 are equipped with installation cavity, are equipped with driving motor 5, the external close-fitting of the first end of shaft 3 in installation cavity body
There is transmission gear 6, the output shaft of driving motor 5 is connected with the worm screw 7 being meshed with transmission gear 6, worm screw 7 and transmission gear 6
Deceleration mechanism is formed, driving motor 5 realizes the indirect driving to shaft 3 by the deceleration mechanism, also, signal circuit 20 is drawn
Signal wire 40 be arranged in the hollow cavity of shaft 3.Compared with the prior art, the electric machine structure has electric efficiency high, negative
The advantages that loading capability is big, circuit is simple, design cost is low, power consumption is small, cruise duration is long, small in size, light-weight.
It should be understood that various information are described in the utility model using term " first ", " second " etc., but these
Information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from this
In the case where utility model range, " first " information can also be referred to as " second " information, and similar, " second " information can also be with
Referred to as " first " information.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvement and deformations can also be made, these improve and become
Shape is also considered as the protection scope of the utility model.
Claims (6)
1. a kind of electric machine structure of holder, which is characterized in that including fixed part and rotation section and the connection fixed part and institute
State the shaft of rotation section, the inside of the fixed part is equipped with for the shaft perforative axle track and is connected with the axle track
Cavity is installed, is equipped with rolling bearing compatible with the shaft in the axle track, the first end of the shaft protrudes into the peace
It behave affectedly in vivo, the second end of the shaft is fixedly connected with the rotation section；
Driving motor is equipped in the installation cavity body, the external close-fitting of the first end of the shaft has transmission gear, the driving
The output shaft of motor is connected with the worm screw being meshed with the transmission gear.
2. the electric machine structure of holder according to claim 1, which is characterized in that the fixed part is away from the rotation section
Side is equipped with recess and dismountable cover board, and the cover board covers the recess and forms the installation cavity, the cover board
Lateral surface is equipped with driving circuit and signal circuit, and the driving circuit is electrically connected by power supply line with the driving motor, described
Signal circuit draws the signal wire for being used for transmission signal.
3. the electric machine structure of holder according to claim 2, which is characterized in that the shaft be hollow shaft, inside set
There is the hollow cavity passed through for the signal wire.
4. the electric machine structure of holder according to claim 3, which is characterized in that being equipped in the installation cavity body can be with institute
The reaction magnetic ring that shaft rotates together with is stated, the reaction magnetic ring is located at the first end of the shaft, and the reaction magnetic ring is interior
Portion is equipped with the channel for being connected, passing through for the signal wire with the hollow cavity.
5. the electric machine structure of holder according to claim 1, which is characterized in that the inner wall of the axle track is equipped with convex annular
Platform, the rolling bearing are set as two, and two rolling bearings are lived apart the two sides of the annular convex platform.
6. the electric machine structure of holder according to claim 1, which is characterized in that the driving motor is brush motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820962335.5U CN208397619U (en) | 2018-06-21 | 2018-06-21 | A kind of electric machine structure of holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820962335.5U CN208397619U (en) | 2018-06-21 | 2018-06-21 | A kind of electric machine structure of holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208397619U true CN208397619U (en) | 2019-01-18 |
Family
ID=65132927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820962335.5U Active CN208397619U (en) | 2018-06-21 | 2018-06-21 | A kind of electric machine structure of holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208397619U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533912A (en) * | 2018-06-21 | 2018-09-14 | 桂林飞宇科技股份有限公司 | A kind of electric machine structure of holder |
| CN110553122A (en) * | 2019-09-20 | 2019-12-10 | 谭晶 | photographic cloud platform |
| CN108533912B (en) * | 2018-06-21 | 2024-06-04 | 桂林飞宇科技股份有限公司 | Motor structure of tripod head |
-
2018
- 2018-06-21 CN CN201820962335.5U patent/CN208397619U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533912A (en) * | 2018-06-21 | 2018-09-14 | 桂林飞宇科技股份有限公司 | A kind of electric machine structure of holder |
| CN108533912B (en) * | 2018-06-21 | 2024-06-04 | 桂林飞宇科技股份有限公司 | Motor structure of tripod head |
| CN110553122A (en) * | 2019-09-20 | 2019-12-10 | 谭晶 | photographic cloud platform |
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