CN208364689U - motor unit - Google Patents
motor unit Download PDFInfo
- Publication number
- CN208364689U CN208364689U CN201690000956.4U CN201690000956U CN208364689U CN 208364689 U CN208364689 U CN 208364689U CN 201690000956 U CN201690000956 U CN 201690000956U CN 208364689 U CN208364689 U CN 208364689U
- Authority
- CN
- China
- Prior art keywords
- gear
- rear side
- front side
- output shaft
- armature spindle
- 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.)
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Links
- 238000001514 detection method Methods 0.000 claims description 17
- 230000005389 magnetism Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 210000003464 cuspid Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/06—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes
-
- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
Abstract
The utility model provides a kind of small-sized and excellent productivity motor unit, has in shell (10): motor (20) is provided with driving gear (22) on front side of armature spindle (21)；Output shaft (30) is arranged substantially in parallel with armature spindle (21) and has driven gear (33) in the rear side relative to the front side；Multiple spur gears (41,42,43,44), it transmits rotary force from driving gear (22) to driven gear (33), multiple spur gears (41,42,43,44) respectively constitute the integrated to be made of the pinion gear (S) of the gear wheel of front side (L) and rear side, configure above-mentioned multiple spur gears (41,42,43,44) to from the front side of armature spindle (21) towards the ladder-like of the rear side of output shaft (30) in a manner of engaging adjacent gear wheel (L) and pinion gear (S).
Description
Technical field
The utility model relates to be equipped on such as anthropomorphic robot, other industrial robots, remote-operated model, production
The motor unit of industry machine, medical machine etc..
Background technique
In the past, in this invention, for example, as recorded in Patent Document 1 as, there are following servo motors, in shell
Have in body (11a, 11b): motor (13) has driving gear (motor pinion in the front side of armature spindle (rotary shaft 13a)
14)；Output shaft (25) is arranged substantially in parallel with armature spindle；And epicyclic gearing (20), by the rotation of armature spindle
Power is transmitted to output shaft, and output shaft is projected upwards in the side opposite with the driving projected direction of gear.In addition, the numerical value in parantheses
Indicate the symbol in patent document 1.
According to the conventional art, since epicyclic gearing to be packed into shell, multiple planetary gears (23) etc.
Complexity is constituted, thus it requires improving to assemblability etc..In addition, wanting to make output shaft in the projected direction with driving gear
On identical direction in situation outstanding, need that the rotary force of gear will be driven to transmit to the rear end side of epicyclic gearing its
His gear etc., it is therefore possible to so that shell is become enlargement.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2007-292200 bulletin
Utility model content
Utility model problem to be solved
The utility model is completed in view of above-mentioned previous situation, and problem is to provide a kind of small-sized and productivity
Excellent motor unit.
The method for solving problem
A means for solving the above problems are that have in shell: motor is provided on front side of armature spindle
Drive gear；Output shaft is arranged substantially in parallel with armature spindle and has driven gear in the rear side relative to front side；With
And multiple spur gears, rotary force is transmitted from driving gear to driven gear.And, which is characterized in that multiple spur gear difference
It is configured to the integrated being made of the gear wheel of front side and the pinion gear of rear side, by above-mentioned multiple spur gears with by adjacent canine tooth
Wheel and the mode of pinion gear engagement are configured to the ladder-like of the rear side from the front side of armature spindle towards output shaft.
The effect of utility model
The utility model is constituted as described above, therefore is capable of providing small-sized and excellent productivity motor unit.
Detailed description of the invention
Fig. 1 is the perspective view for indicating an example of motor unit involved in the utility model.
Fig. 2 is the in-built perspective view for indicating the motor unit.
Fig. 3 is to indicate the in-built side view.
Fig. 4 is to indicate the in-built top view.
Specific embodiment
One embodiment of the utility model is characterized in that having in shell: motor, in the front side of armature spindle
It is provided with driving gear；Output shaft is arranged substantially in parallel with armature spindle and has driven tooth in the rear side relative to front side
Wheel；Multiple spur gears transmit rotary force from driving gear to driven gear.Moreover, multiple spur gears respectively constitute as by preceding
The integrated of the pinion gear of the gear wheel of side and rear side composition, by above-mentioned multiple spur gears with by adjacent gear wheel and pinion gear
The mode of engagement is configured to the ladder-like of the rear side from the front side of armature spindle towards output shaft.
According to this constitution, the intracorporal limited space of shell can be effectively utilized and transmit rotary force, on this basis, by
In simple structure, therefore assemblability is also very good.
As other features, in order to more effectively utilize the intracorporal space of shell, will driving gear, multiple spur gears and from
Moving gear is configured to arrange from when axial unilateral observation in S font.
As other features, the rotation position of output shaft is carried out in order to smaller by rotational resistance and simple construction
Detection is provided with the magnetic rotary body with permanent magnet by the position of rear side in the ratio driven gear of output shaft, in the magnetism
The magnetic detection portion detected to the magnetic pole of magnetic rotary body is provided near rotary body.
As other features, in order to carry out stable support to output shaft, than driven gear by front side position and
Be respectively arranged with parts of bearings output shaft supported to rotate freely by the position of rear side than the driven gear, after output shaft
End side is more rearward protruded than the parts of bearings of rear side, and the rotary body that is magnetic is arranged in the protrusion.
As other features, in order to more effectively utilize the intracorporal space of shell, in the shell for leaning on rear side than magnetic rotary body
Inner surface be provided with the control base board controlled the driving power of motor, the control base board is provided with magnetic detection portion.
Embodiment
Then, preferred embodiment as characterized above is described in detail based on attached drawing.
Motor unit A has in shell 10: motor 20, and the front side of armature spindle 21 is provided with driving gear 22；
Output shaft 30 is arranged substantially in parallel with armature spindle 21 and has driven gear 33 in the rear side relative to front side；And it is more
A spur gear 41,42,43,44 transmits rotary force from driving gear 22 to driven gear 33.
In addition, in the present specification, " front side " refers to that side in the axial direction of armature spindle 21 with driving gear 22.
Shell 10 is configured to include: the housing body 11 of the hollow, rectangular box-like of front face open and with by the shell
The cover 12 that the closed mode in the opening portion of main body 11 is releasably assembled.Housing body 11 and cover 12 are respectively by closing
It is integrally formed at resin material.
Motor 20 has: cylindric shell, be fixed on the shell inner peripheral surface stator and coil (not shown), with
Rotor (not shown) that the mode of rotation is supported in stator and it is fixed on the central part of the rotor and front end side is dashed forward forwards
Armature spindle 21 out, motor 20 constitute brushless DC motor.
Moreover, in the front end side of the armature spindle 21 of the motor 20, coaxial ground stationary drive gear 22.The driving gear 22
For spur gear, engaged with the gear wheel L of aftermentioned spur gear 41.
In shell 10, armature spindle 21 of the output shaft 30 relative to motor 20 is substantially flat at spaced intervals to orthogonal direction
It configures, and is freely and rotatably supported in the inner wall of shell 10 capablely.
In the peripheral part of the output shaft 30, be successively annularly fixed with from front side output gear 31, front side parts of bearings 32,
Driven gear 33, rear side parts of bearings 34 and magnetic rotary body 35.
According to example illustrated, output gear 31 is spur gear, prominent from the front end face forward of shell 10 and expose.Root
According to example illustrated, component that the output gear 31 and output shaft 30 are integrally constituted.It, can also be with furthermore, as another example sub
The output shaft 30 of respective fission is linked with output gear 31.
Furthermore it is possible to which the form with the driven object object (not shown) of motor unit A accordingly sets the output gear 31
It is changed to the other kinds of gear such as worm gear, helical gear.
Front side parts of bearings 32 and rear side parts of bearings 34 are parts of bearings well known to ball bearing, sliding bearing etc..
Front side parts of bearings 32 is fixed on the inner surface of shell 10 via bearing bracket etc., by its inner peripheral portion rotatably freely to output
The ratio driven gear 33 of axis 30 is supported by the part of front side.Substantially samely, rear side parts of bearings 34 is via bearing bracket
Etc. the inner surface for being fixed on shell 10, by its inner peripheral portion rotatably freely to the ratio driven gear 33 of output shaft 30 by rear side
Part is supported.
Driven gear 33 is the substantially cylindric spur gear for being supported in the peripheral part of output shaft 30.The driven gear 33 with
The pinion gear S of aftermentioned spur gear 44 is engaged and is received rotary force from pinion gear S.
In addition, the symbol 60 in figure be when superfluous rotary load acts on output shaft 30 by driven gear 33 with it is defeated
The clutch apparatus of the transmission path cutting of the rotary force of shaft 30.The clutch apparatus 60 is in driven gear 33 configured with logical
The input disc and output panel etc. crossing rotary load and cutting off.
Magnetic rotary body 35 is a half portion side using radial direction as the pole N, and substantially round using another half portion side as the pole S
(in other words number of pole-pairs the is 1) permanent magnet at the two poles of the earth of plate-like.It, can be with as the other examples of the magnetism rotary body 35
Use number of pole-pairs for multiple modes.
Moreover, being fixed with by the position of rear side in the bottom of housing body 11 in the magnetic rotary body 35 than above-mentioned composition
Control base board 50.The control base board 50 is integrally provided with: driving circuit that the driving power of motor 20 is controlled, for pair
Multiple magnetic detection portions 36 etc. that magnetic rotary body 35 is detected.
Magnetic detection portion 36 is the Hall element for exporting voltage signal corresponding with the magnetic flux detected.To be rotated with magnetism
Two magnetic detection portions 36 are arranged in the opposed mode of the rear end face of body 35 in control base board 50.The two magnetic detection portions 36
The compartment of terrain that angle is 90 ° is separated in the circumferential to configure, and exports sine wave corresponding with the magnetic position of magnetic pole of rotary body 35
Signal.
In addition, each spur gear 41,42,43,44 be coaxial integrated by the gear wheel L of front side and the pinion gear of rear side
S connection and formed.Reduction ratio between armature spindle 21 and output shaft 30 correspondingly suitably sets the canine tooth of each spur gear
Take turns the outer diameter of L and pinion gear S.
Above-mentioned spur gear 41,42,43,44 is so that the side that gear wheel L adjacent in the horizontal direction and pinion gear S is engaged
Formula is configured to from the front side of armature spindle 21 towards the ladder-like of the rear side of output shaft 30.
Further, as shown in figure 4, when overlooking above-mentioned spur gear 41,42,43,44 from the axial side of armature spindle 21,
The transmission path of rotary force between driving gear 22 and driven gear 33 is configured to S oxbow.Moreover, above-mentioned spur gear
41, it 42,43,44 is freely and rotatably supported respectively via rotary shaft etc. in the inner surface of shell 10 or the shell of motor 20 etc..
If the configuration of above-mentioned spur gear 41,42,43,44 is described in detail, the spur gear near 21 side of armature spindle
41 is (upper in Fig. 4 relative to the side that armature spindle 21 and virtual plane that output gear 31 is connect are located at direction of reporting to the leadship after accomplishing a task
Side), the gear wheel L of toe lateral is engaged with driving gear 22.
Next spur gear 42 is located at than spur gear 41 more by the position (referring to Fig. 4) of side, on front side of gear wheel L with
The pinion gear S engagement of spur gear 41 (referring to Fig. 3).
Next spur gear 43 is located at than spur gear 42 more by the position of the other side (downside in Fig. 4) relative to side
Set, on front side of gear wheel L (referring to Fig. 3) is engaged with the pinion gear S of spur gear 42.
Spur gear 44 near 31 side of output gear is located relative to the another of side relative to above-mentioned virtual plane
Side (downside in Fig. 4), the gear wheel L of toe lateral is engaged with the pinion gear S of spur gear 43, and the pinion gear of the rear part side
S is engaged with driven gear 33 (referring to Fig. 3).
Motor unit A according to the above configuration, as described above, by multiple spur gears 41,42,43,44 are ladder-like and substantially S
Configure to font, concentrate above-mentioned multiple spur gears, also, the rear side of above-mentioned spur gear group configure magnetic rotary body 35,
Control base board 50 etc. with magnetic detection portion 36, therefore the sky between armature spindle 21 and output shaft 30 can be effectively utilized
Between, the space of rear side of spur gear group in shell 10 etc..
Moreover, nibbling multiple spur gears 41,42,43,44 towards identical direction gear wheel L and pinion gear S
It closes, therefore during fabrication successively assembles spur gear 44, spur gear 43, spur gear 42, spur gear 41 from rear side, production
Property is good.
In addition, being felt in a non-contact manner by magnetic detection portion 36 to the magnetic rotary body 35 with 30 one of output shaft
Know, therefore compared with using potentiometric conventional art, on the basis of reducing axial protrusion size, additionally it is possible to subtract
Small rotational resistance.
Further, by the configuration of above-mentioned driven gear 33 and magnetic rotary body 35 etc., output shaft 30 can be carried out
Stable support.
It, can also be in addition, motor 20 is configured to brushless DC motor according to above-described embodiment, but as other examples
Motor 20 is configured to the other kinds of motor such as brush motor.
In addition, there are four spur gears 41,42,43,44 for setting according to above-described embodiment, but as other examples, it can also
The quantity of spur gear is set as six or more or five or less.
In addition, use Hall element as magnetic detection portion 36 according to above-described embodiment, but as magnetic detection portion 36
Other examples, magnetic encoder, other sensor also can be used.
In addition, the quantity in magnetic detection portion 36 is set as two, but can also be revolved according to magnetism according to above-described embodiment
It turns 35 rotation position detection method etc. and the quantity in magnetic detection portion 36 is set as single or three more.
Symbol description
10 shells
20 motors
21 armature spindles
22 driving gears
30 output shafts
32 front side parts of bearings
33 driven gears
34 rear side parts of bearings
35 magnetic rotary bodies
36 magnetic detection portions
41,42,43,44 spur gear
50 control base boards
60 clutch apparatus
A motor unit
L gear wheel
S pinion gear
Claims (5)
1. a kind of motor unit, which is characterized in that
Have in shell:
Motor is provided with driving gear on front side of armature spindle；
Output shaft is set in parallel with the armature spindle and has driven gear in the rear side relative to the front side；And
Multiple spur gears transmit rotary force from the driving gear to the driven gear,
The integrated that the multiple spur gear respectively constitutes to be made of the gear wheel of front side and the pinion gear of rear side, will be above-mentioned more
A spur gear is configured to from the front side of the armature spindle towards described defeated in a manner of engaging adjacent gear wheel and pinion gear
The rear side of shaft it is ladder-like.
2. motor unit according to claim 1, which is characterized in that
By the driving gear, the multiple spur gear and the driven gear be configured to from when axial unilateral observation in S
Font arrangement.
3. motor unit according to claim 1 or 2, which is characterized in that
The driven gear described in the ratio of the output shaft is provided with the magnetic rotary body with permanent magnet by the position of rear side,
The magnetic detection portion detected to the magnetic pole of the magnetic rotary body is provided near the magnetism rotary body.
4. motor unit according to claim 3, which is characterized in that
Leaning on the position of rear side than the driven gear by the position of front side and than the driven gear, be respectively arranged with will be described
Output shaft support is the parts of bearings that rotates freely, the rear end side of the output shaft than rear side the parts of bearings more rearward
It is prominent, and the protrusion is provided with the magnetic rotary body.
5. motor unit according to claim 4, which is characterized in that
The inner surface of the shell than the magnetic rotary body by rear side is provided with the driving power progress to the motor
The control base board of control is provided with the magnetic detection portion in the control base board.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-131244 | 2015-06-30 | ||
| JP2015131244 | 2015-06-30 | ||
| PCT/JP2016/064394 WO2017002465A1 (en) | 2015-06-30 | 2016-05-13 | Motor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208364689U true CN208364689U (en) | 2019-01-11 |
Family
ID=57609481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201690000956.4U Active CN208364689U (en) | 2015-06-30 | 2016-05-13 | motor unit |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6882775B2 (en) |
| CN (1) | CN208364689U (en) |
| TW (1) | TWM536713U (en) |
| WO (1) | WO2017002465A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285303A (en) * | 2019-07-11 | 2019-09-27 | 上海洋铭数码科技有限公司 | Artificial intelligence's video camera fixing seat |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102042335B1 (en) * | 2018-02-06 | 2019-12-02 | 영남대학교 산학협력단 | Actuator Module |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2501795Y2 (en) * | 1990-11-19 | 1996-06-19 | 三菱自動車工業株式会社 | Phase controller for power transmission gear |
| JP4226893B2 (en) * | 2002-12-25 | 2009-02-18 | アスモ株式会社 | Actuator |
| JP2005048806A (en) * | 2003-07-30 | 2005-02-24 | Nohira Seisakusho:Kk | Clutch |
| JP2010098795A (en) * | 2008-10-14 | 2010-04-30 | Nidec Sankyo Corp | Actuator |
| JP2010136590A (en) * | 2008-12-08 | 2010-06-17 | Mitsuba Corp | Actuator |
| JP5993707B2 (en) * | 2012-10-22 | 2016-09-14 | 日本電産サンキョー株式会社 | Geared motor |
-
2016
- 2016-05-13 TW TW105206974U patent/TWM536713U/en unknown
- 2016-05-13 CN CN201690000956.4U patent/CN208364689U/en active Active
- 2016-05-13 JP JP2017526210A patent/JP6882775B2/en active Active
- 2016-05-13 WO PCT/JP2016/064394 patent/WO2017002465A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285303A (en) * | 2019-07-11 | 2019-09-27 | 上海洋铭数码科技有限公司 | Artificial intelligence's video camera fixing seat |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2017002465A1 (en) | 2018-04-19 |
| WO2017002465A1 (en) | 2017-01-05 |
| TWM536713U (en) | 2017-02-11 |
| JP6882775B2 (en) | 2021-06-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |