CN207265807U - DC speed-reducing - Google Patents
DC speed-reducing Download PDFInfo
- Publication number
- CN207265807U CN207265807U CN201720906112.2U CN201720906112U CN207265807U CN 207265807 U CN207265807 U CN 207265807U CN 201720906112 U CN201720906112 U CN 201720906112U CN 207265807 U CN207265807 U CN 207265807U
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- CN
- China
- Prior art keywords
- axle center
- rotor
- speed
- gear set
- reducing
- 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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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
DC speed-reducing provided by the utility model, it includes casing, and the stator positioned at casing internal, rotor, gear set, the gear plate for installing gear set and axle center；Rotor includes body and auxiliary rod is stretched out from body, and body is fixedly connected with auxiliary rod；Axle center is fixed in casing, and stator is fixed in casing, and body, the auxiliary rod of rotor are sheathed on axle center, and between axle center and stator, gear set coordinates the body of rotor with auxiliary rod；When motor operates, the body of rotor is around axis rotation, while the auxiliary rod of rotor drives gear set to rotate to export power.Rotor, which rotates, directly drives gear set to rotate, and axle center remains stationary, and fixed support is played in axle center, and bearing need not be set up on such axle center, then the radial direction in axle center can be set relatively thin, so from overall radially reduced certain width.Said from length direction, gear set, stator, rotor are put into a casing.DC speed-reducing longitudinal length is greatly reduced.
Description
Technical field
It the utility model is related to motor field, more particularly to a kind of DC speed-reducing.
Background technology
Since existing DC speed-reducing is formed by independent gear-box and independent motor combination, assembling process is processed
In, first by gear-box, motor, each complete independently produces, and is then again assembled two independent sectors, assembles generally with more
A screw fixes assembling.
The operation principle of such direct current generator is：Fixed and supported using bearing, rotor and axle center and gear synchronous operation come
Gear-box operating is driven, axis rotation drives rotor to rotate so as to drive gear-box to operate.Since axis rotation drives rotor to turn
It is dynamic, it is therefore desirable to add bearing in two ends of rotor, the structure of step, the either design of staircase structural model is presented in axle center at this time
Or production technology is all more complicated while also cost is higher.Moreover, the fixation between rotor and axle center is also required to manually carry out
Viscose glue.
In addition, the overall volume that the axle center of bearing and step also results in DC speed-reducing becomes larger, applied to intelligence
When the structure that electronic lock, microrobot, this needs of shared bicycle electronic lock minimize, larger volume is unfavorable for intelligence
The miniaturization of the products such as electronic lock, microrobot, shared bicycle electronic lock.
Utility model content
The purpose of the technical program embodiment is to provide a kind of DC speed-reducing of small high precision machining.
The utility model provides a kind of DC speed-reducing, it includes casing, and stator positioned at the casing internal,
Rotor, gear set, the gear plate for installing gear set and axle center；
The rotor includes body and auxiliary rod is stretched out from the body, and the body is fixedly connected with auxiliary rod,
The gear plate is equipped with the more sprockets for being used to install gear；
The axle center is fixed in the casing, and the stator is fixed in the casing, the body of the rotor, auxiliary
Rod set is arranged on the axle center, and between axle center and stator, the gear set coordinates the body of the rotor with the auxiliary rod；
When motor operates, the body of the rotor is around axis rotation, while the auxiliary rod of the rotor drives gear set to turn
Move to export power.
Further, the outer surface of the auxiliary rod is toothed around, and the gear teeth are engaged with the gear set, and the gear teeth rotate
The gear set is driven to rotate.
Further, the rotor body is structure as a whole with the auxiliary rod.
Further, the axle center coordinates section to be set to first segment, the axle center and the auxiliary rod with the rotor body
Cooperation section is second segment, and the first segment is equal with the radial section radius of second segment, so that the longitudinal surface in axle center is smooth.
Further, further include upper mounted plate and bottom plate, bottom plate is fixed on the bottom of the casing, it is described on
Fixed plate is fixed with the gear plate, and the stator is installed between the upper and lower fixing plate.
Further, two sides of fixed plate are bent to form downwards downward opening lower groove, under described
Two sides of fixed plate are bent to form opening up upper groove upward, and the upper groove and the recessed channel opening are opposite
A storage space is formed to house the stator.
Further, the casing includes housing and cover board with an opening, the stator, rotor, gear set, installation
The gear plate of gear set and axle center are contained in housing, opening described in the cover plate for sealing.Further, fixed plate
With the column that the several coils for the spacing stator and iron core are respectively set in bottom plate.
Further, the deck side edge is additionally provided with lug, perforate on the lug.
Further, output shaft is further included, the output shaft is installed on the cover board, the output shaft and the gear set
Coordinate, output shaft described in the gear set drive is rotated to export power.
Above-mentioned DC speed-reducing rotor includes body and auxiliary rod, and body is fixedly connected with auxiliary rod, and rotor rotates straight
Tape splicing moving gear group rotates, and axle center remains stationary, and fixed support is played in axle center, and axis need not be set up on such axle center
Hold, then the radial direction in axle center can be set relatively thin, so from overall radially reduced certain width.From length direction
Say, gear set, stator, rotor are put into a casing, thickness, the thickness of motor housing of gear-box, while two can be saved
The connection structure that person fixes also is saved, and DC speed-reducing longitudinal length is greatly reduced.So as on the whole so that direct current slows down
The volume of motor greatly reduces, while simple in structure, easy to process, improves machining accuracy.
Furtherly, after only rotor body is fixedly connected with auxiliary rod, axle center is fixed on casing, and axle center need not
During rotation, axle center could be realized and play a supportive role, and axle center can just be done relatively thin, and only relatively thin and when not starting to rotate, axle center
Both ends need not set bearing again, gear set, stator, rotor could be finally put into a casing, at the same reduce direct current deceleration
Motor width radially and longitudinally and length.
Brief description of the drawings
, below will be to attached needed in embodiment in order to illustrate more clearly of the technical solution of the technical program
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model, for
For those of ordinary skill in the art, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the profile for the DC speed-reducing that the utility model embodiment provides.
Fig. 2 is the profile of another angle for the DC speed-reducing that the utility model embodiment provides.
Fig. 3 is the structure decomposition figure of the DC speed-reducing of the utility model embodiment.
Embodiment
Below in conjunction with the attached drawing in the technical program embodiment, the technical solution in the technical program embodiment is carried out
Clearly and completely describing, it is clear that described embodiment is only the technical program part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the technical program, those of ordinary skill in the art are without creative efforts
All other embodiments obtained, shall fall within the protection scope of the present invention.
DC speed-reducing is applied to this needs of intelligent electronic lock, microrobot, shared bicycle electronic lock etc.
During the structure of miniaturization, when the small volume of DC speed-reducing, be conducive to the miniaturized structure of integral product.Miniaturization is logical
The size for reducing internal structure can be often used, but such as gear-box, motor volume diminish can influence the stabilization of DC speed-reducing
Property and accuracy.How to ensure, in the case where not influencing stability and accuracy, to realize the miniaturization of DC speed-reducing, just
It is that the technical program solves the problems, such as.The technical program sets about being improved from DC speed-reducing internal structure.
Referring to Fig. 1, the technical program provides a kind of DC speed-reducing, it includes casing 10, and positioned at casing 10
Internal stator 20, rotor 30, gear set 40, the gear plate 50 for installing gear set 40 and axle center 60.
Incorporated by reference to 2 and Fig. 3, rotor 30 includes body 31 and the auxiliary rod 32 stretched out from body 31.Axle center 60 is fixed
In in casing 10, stator 20 is fixed in casing 10, and body 31, the auxiliary rod 32 of rotor 30 are sheathed on axle center 60, rotor 30
Between axle center 60 and stator 20, gear set 40 coordinates body 31 with auxiliary rod 32.When motor operates, the body 31 of rotor 30
Rotated around axle center 60, while the auxiliary rod 32 of rotor 30 drives gear set 40 to rotate to export power.The outer surface of auxiliary rod 32
The gear teeth equipped with the formation along 32 length extending direction of auxiliary rod, the gear teeth are engaged with gear set 40, gear teeth rotation driven gear group
40 rotate.
It should be noted that the body 31 and auxiliary rod 32 of rotor 30, centre offers through hole, in order to axle center 60
Pass through.In this diagram, through hole does not do label.Body 31 is consistent with the through-hole aperture of auxiliary rod 32, and slightly larger than axle center 60
Outside diameter.
Above-mentioned DC speed-reducing rotor 30 includes body 31 and auxiliary rod 32, and body 31 is fixedly connected with auxiliary rod 32,
Rotor 30, which rotates, directly drives gear set 40 to rotate, and axle center 60 remains stationary, and fixed support is played in axle center 60, that
Bearing need not be set up on axle center 60, then the radial direction in axle center 60 can be set relatively thin, so from overall radially reduced one
Fixed width.Said from length direction, gear set 40, stator 20, rotor 30 are put into a casing 10.Save gear-box
The thickness of thickness, motor housing, while the two connection structure fixed also is saved, and it is longitudinally long that DC speed-reducing is greatly reduced
Degree.
Furtherly, after only 30 body 31 of rotor is fixedly connected with auxiliary rod 32, axle center 60 is fixed on casing 10
On, when axle center 60 need not rotate, axle center 60 could be realized and play a supportive role, and axle center 60 can just be done relatively thin, and it is only relatively thin and
When not starting to rotate, the both ends in axle center 60 need not set bearing again, finally gear set 40, stator 20, rotor 30 could be put into one
In a casing 10, while reduce DC speed-reducing width radially and longitudinally and length.
Hereinafter, incorporated by reference to 2 and Fig. 3, DC speed-reducing described in the present embodiment is described further.
The outer surface of auxiliary rod 32 is toothed around, and the gear teeth are engaged with the gear set 40, gear teeth rotation driven gear group 40
Rotate.In the present embodiment, 40 structure of gear set is roller gear, planetary gear etc..
More rooted tooth wheel posts 51 are set on gear plate 50, and direct geared is installed on sprocket 51.The number of gear set 40
Set with size according to actual demand.
The body 31 of rotor 30 is structure as a whole with auxiliary rod 32.Preferably, body 31 is integrated injection with auxiliary rod 32
Molding structure.Integrally formed structure, saves connection structure between body 31 and auxiliary rod 32, saves number of assembling steps, saves
Cost-saving, improves production efficiency.
Axle center 60 coordinates section to be set to first segment with 30 body 31 of rotor, and axle center 60 coordinates section to be second segment with auxiliary rod 32,
First segment is equal with the radial section radius of second segment, so that the longitudinal surface in axle center 60 is smooth.Since axle center 60 subtracts in direct current
Be fixed state in the speed motor course of work, only play a supportive role, then the premise bar that axle center 60 is consolidated in holding structure
Under part, 60 radial section radius of axle center can be reduced as far as possible, that is to say, that axle center 60 can be refined as far as possible.First segment and
Two sections of radial section radiuses are equal, and the longitudinal surface in axle center 60 smoothly transits, the outer surface of first segment, the outer surface of second segment with
Axle center 60 is in parallel state, and 60 surface of axle center avoids the occurrence of step-like structure, then avoids the processing cost in increase axle center 60.
In another embodiment, DC speed-reducing further includes upper mounted plate 71 and bottom plate 72, and bottom plate 72 is solid
Due to the bottom of casing 10, upper mounted plate 71 is fixed with gear plate 50, and stator 20 is installed in upper mounted plate 71, bottom plate 72
Between.
Stator 20 is made of iron core and coil, and 20 slot number of stator is 3 multiple, 3 grooves, 6 grooves ... etc..
Two sides of upper mounted plate 71 are bent to form downwards downward opening lower groove, two sides of bottom plate 72
Side is bent to form opening up upper groove upward, and upper groove and the opposite storage space that formed of recessed channel opening are determined with housing
Son 20.
The setting of upper mounted plate 71 and bottom plate 72, effectively can be contained in fovea superior by the iron core of stator 20 and coil
In the storage space of groove and lower groove composition.
Respectively set in fixed plate 71 and bottom plate 72 several coils for the spacing stator 20 and
The column of iron core.
In another embodiment, the casing 10 of DC speed-reducing includes housing 110 and cover board 120 with an opening,
Stator 20, rotor 30, gear set 40, the gear plate 50 for installing gear set 40 and axle center 60 are contained in housing 110, cover board 120
The opening of sealing.During assembling, according to structure by axle center 60, stator 20, rotor 30, gear set 40, install gear set 40 gear
Plate 50 and axle center 60 load housing 110, shorten compared to independent gear-box and motor entire length.
In addition, 120 side of cover board is additionally provided with lug 122, perforate on lug 122.Easy to DC speed-reducing and other knots
The fixation of structure.
DC speed-reducing further includes output shaft 80, and output shaft 80 is installed on cover board 120, and output shaft 80 is matched somebody with somebody with gear set 40
Close, gear set 40 drives output shaft 80 to rotate to export power.
To sum up, the rotor for the DC speed-reducing that the present embodiment is provided, axle center processing cost are low, assembling production technology letter
Single, batch production is efficient, precision is high, stability is good.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those of ordinary skill in the art are when understanding：Its
It can still modify to the technical solution described in foregoing embodiments, or which part technical characteristic is equal
Replace；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technical side
The spirit and scope of case.
Claims (10)
- A kind of 1. DC speed-reducing, it is characterised in that including casing, and stator, rotor, tooth positioned at the casing internal Wheel group, the gear plate for installing gear set and axle center；The rotor includes body and the auxiliary stretched out from the body Bar, the body are fixedly connected with auxiliary rod, and the gear plate is equipped with the more sprockets for being used to install gear；The axle center is consolidated Due in the casing, the stator is fixed in the casing, and body, the auxiliary rod of the rotor are sheathed on the axle center, Between axle center and stator, the gear set coordinates the body of the rotor with the auxiliary rod；When motor operates, described turn The body of son is around axis rotation, while the auxiliary rod of the rotor drives gear set to rotate to export power.
- 2. DC speed-reducing as claimed in claim 1, it is characterised in that the outer surface of the auxiliary rod is toothed around, institute State the gear teeth to engage with the gear set, the gear teeth, which rotate, drives the gear set to rotate.
- 3. DC speed-reducing as claimed in claim 1, it is characterised in that the rotor body is integrated with the auxiliary rod Structure.
- 4. DC speed-reducing as claimed in claim 1, it is characterised in that the axle center coordinates section to set with the rotor body For first segment, the axle center and the auxiliary rod coordinate section to be second segment, the radial section radius of the first segment and second segment It is equal, so that the longitudinal surface in axle center is smooth.
- 5. such as claim 1-4 any one of them DC speed-reducings, it is characterised in that further include upper mounted plate and lower fixation Plate, bottom plate are fixed on the bottom of the casing, and fixed plate is fixed with the gear plate, and the stator is installed on institute State between upper and lower fixing plate.
- 6. DC speed-reducing as claimed in claim 5, it is characterised in that two sides of fixed plate are curved downwards Folding forms downward opening lower groove, and two sides of the bottom plate are bent to form opening up upper groove upward, The upper groove and the recessed channel opening form a storage space to house the stator relatively.
- 7. DC speed-reducing as claimed in claim 6, it is characterised in that in fixed plate and bottom plate respectively The column of the several coils for the spacing stator and iron core is set.
- 8. DC speed-reducing as claimed in claim 6, it is characterised in that the casing include with one opening housing and Cover board, the stator, rotor, gear set, the gear plate for installing gear set and axle center are contained in housing, the cover plate for sealing The opening.
- 9. DC speed-reducing as claimed in claim 8, it is characterised in that the deck side edge is additionally provided with lug, described convex Perforate on ear.
- 10. DC speed-reducing as claimed in claim 8, it is characterised in that further include output shaft, the output shaft is installed on The cover board, the output shaft coordinate with the gear set, and output shaft described in the gear set drive is rotated to export power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720906112.2U CN207265807U (en) | 2017-07-25 | 2017-07-25 | DC speed-reducing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720906112.2U CN207265807U (en) | 2017-07-25 | 2017-07-25 | DC speed-reducing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207265807U true CN207265807U (en) | 2018-04-20 |
Family
ID=61927399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720906112.2U Expired - Fee Related CN207265807U (en) | 2017-07-25 | 2017-07-25 | DC speed-reducing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207265807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196456A (en) * | 2017-07-25 | 2017-09-22 | 深圳市诺微特电机有限公司 | DC speed-reducing |
-
2017
- 2017-07-25 CN CN201720906112.2U patent/CN207265807U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196456A (en) * | 2017-07-25 | 2017-09-22 | 深圳市诺微特电机有限公司 | DC speed-reducing |
| CN107196456B (en) * | 2017-07-25 | 2024-04-30 | 深圳市一诺微特电机有限公司 | DC speed reducing motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180420 Termination date: 20210725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |