CN205936943U - One -way planet gear of starter - Google Patents
One -way planet gear of starter Download PDFInfo
- Publication number
- CN205936943U CN205936943U CN201620500356.6U CN201620500356U CN205936943U CN 205936943 U CN205936943 U CN 205936943U CN 201620500356 U CN201620500356 U CN 201620500356U CN 205936943 U CN205936943 U CN 205936943U
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- China
- Prior art keywords
- roller
- spring
- planetary reduction
- reduction gear
- starter
- Prior art date
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- 239000007858 starting material Substances 0.000 title claims abstract description 33
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model provides a pair of one -way planet gear of starter belongs to internal -combustion engine starter technical field, mainly solves prior art's isolator fault rate height, the not compact problem of starter the whole structure. Including non -return device and decelerator, decelerator is planetary gear reducer, and including planet gear ring gear and deceleration drive axle, its characteristics are: the non -return device of cover on the planet gear ring gear includes non -return device body and friction brake device, the non -return device body is the tube -shape, and its inner wall is provided with a plurality of recesses, and its outer wall is provided with a plurality of ka tai that are used for the location, friction brake device is including the spring and the roller that are located the recess, spring one end is supported on the recess lateral wall, and the other end is through the spring holder or directly withstand the roller, the bottom system slope shape of recess, the distance between its and the planet gear ring gear outer wall forms the gradual change clearance, the deceleration drive axle is provided with the spiral spline who is connected with the transmission shaft.
Description
Technical field
This utility model belongs to starter motor for internal combustion engine technical field and in particular to a kind of unidirectional planetary reduction gear of starter
Device.
Background technology
With the development of starter motor for internal combustion engine technology, by direct-drive type starter to retarding starter, no matter eccentric speed reduction knot
Structure, or the starter of planetary reduction gear structure.Reducing gear is axial arranged successively on same starter motor with isolator, plays
Reduce rotating speed and increase moment of torsion and the purpose of one-way transmission torque startup electromotor.Existing frequently-used roller type one way device fault rate
Height, and starter complete machine structure is not compact, length is difficult to shorten, and part vehicle cannot use, therefore, starter small-sized
Change, lightweight, high-performance, long-life are following industry development directions.
Content of the invention
The purpose of this utility model is that solution prior art starter length is longer, and structure is not compact, isolator fault
The high problem of rate, provides a kind of that planetary reducer is overlapping with isolator device, merges into a kind of list of overall starter
To planetary reduction gear.
This utility model adopts the technical scheme that for solving above-mentioned technical problem：
A kind of unidirectional planetary reduction gear of starter, including non-return device and deceleration device, described deceleration device is planet
Gear reduction unit, including planetary reduction gear ring gear and retardation gear moving axis, is characterized in：Described non-return device include No. one unidirectional
Deceleration device housing and friction stopping device；A described single retarded device case is cylindrical in shape, and its inwall is provided with some one
Number groove；A described single retarded device case is enclosed within a planetary reduction gear ring gear；Described friction stopping device bag
Include the spring in a groove and roller；Described spring one end is against in a recess sidewall, and the other end passes through spring base
Or directly withstand roller；Ramped shaped is made in the bottom of a number groove, and it is and a planetary reduction gear annular gear outer-wall between
Distance forms gradual change gap.
When described spring is flat spring, spring base is flat spring seat；
When described spring is two coil springs, spring base is circle spring abutment；
Described flat spring seat is provided with the flat spring chuck placing flat spring, and makes and roller cooperation with the face of roller-contact
Arc surface；Described round spring abutment is provided with the round spring chuck placing coil spring, and equally makes with the face of roller-contact and join with roller
The arc surface closing.
Described retardation gear moving axis is provided with helical spline；Starter motor drive shaft passes through helical spline with retardation gear moving axis even
Connect.
Described spring and roller may be located on No. two springs rollings being provided with No. two planetary reduction gear annular gear outer-walls
In post groove；
Described roller can also be positioned in the roller slot of roller positioner, and roller positioner is integrally positioned over three
Number between single retarded device case inwall and a planetary reduction gear annular gear outer-wall；Described No. three single retarded device cases
Inwall average mark be furnished with some spaces for accommodating roller, the outer wall of the bottom in this space and planetary reduction gear ring gear it
Between formed enough to the gradual change gap of blocking roller；Torsionspring one end is fixed on roller positioner, and the other end is fixed on
On No. three single retarded device cases, torsionspring should keep the trend of opening after being installed in place, and makes whole rollers be in blocking
Position.
Or, a kind of unidirectional planetary reduction gear of starter, including non-return device and deceleration device, described deceleration device is
Planetary reducer, including No. two planetary reduction gear ring gears, is characterized in：Described non-return device includes No. two single retardeds
Device case and friction stopping device；Described No. two single retarded device cases are cylindrical in shape, and it is enclosed within No. two planetary reduction gears
On gear ring；Some No. two grooves are provided with the outer wall of described No. two planetary reduction gear ring gears；
Described friction stopping device includes spring and roller in No. two grooves；Described spring one end be against No. two recessed
In groove sidewall, the other end passes through spring base or directly withstands roller；Ramped shaped is made in the bottom of No. two grooves, and it is unidirectional with No. two
The distance between deceleration device inner walls form gradual change gap.
Or, a kind of unidirectional planetary reduction gear of starter, including planetary reducer and non-return device, it is characterized in：
Described non-return device includes No. three single retarded device cases, planetary reduction gear ring gear, a roller；No. three single retarded dresses
Encloser body is enclosed within outside described planetary reduction gear ring gear；Described non-return device also includes roller positioner and torsionspring；Institute
State roller to be located in the roller slot on roller positioner, and be placed in No. three single retarded device cases with roller positioner
Inwall and the outer wall of planetary reduction gear ring gear between gap in, wherein：The inwall of No. three single retarded device cases is put down
It is distributed with some spaces for accommodating roller, between the outer wall of the bottom in this space and planetary reduction gear ring gear, form foot
With the gradual change gap blocking roller；Described torsionspring one end is fixed on roller positioner, and the other end is fixed on No. three
On single retarded device case, torsionspring should keep, after being installed in place, the trend of opening, and makes whole rollers be in the position blocked
Put.
This utility model compared with prior art, has the advantages that：
Because this utility model is using overlapping with non-return device by planetary reducer, merge into a kind of overall starter
Unidirectional planetary reduction gear, makes starter compact conformation, contraction in length, and changes the force structure of one-way clutch, reduces
Fault rate, solves starter miniaturization, lightweight, high-performance, the bottleneck of long-life development.
Brief description
Fig. 1 is arranged on the structural representation of single retarded device case inwall for this utility model flexible roller groove；
Fig. 2 is the side view of structure shown in Fig. 1；
Fig. 3 is flat spring structural representation of the present utility model；
Fig. 4 is the top view of structure shown in Fig. 3；
Fig. 5 is flat spring seat sectional view of the present utility model；
Fig. 6 is coil spring structural representation of the present utility model；
Fig. 7 is the top view of structure shown in Fig. 6；
Fig. 8 is the sectional view of round spring abutment of the present utility model；
Fig. 9 is arranged on the structural representation of planetary reduction gear annular gear outer-wall for this utility model flexible roller groove；
Figure 10 adopts the structural representation of roller positioner for this utility model.
In figure：No. 1 planetary reduction gear ring gears；No. bis- planetary reduction gear ring gears of 1a；2 springs；2a is flat
Spring；2a-1 flat spring seat；2a-2 arc surface；2a-3 flat spring chuck；2b coil spring；2b-1 justifies spring abutment；2b-3—
Circle spring chuck；3 rollers；No. 4 single retarded device cases；No. bis- single retarded device cases of 4a；No. tri- lists of 4b
To deceleration device housing；No. 5 grooves；No. bis- grooves of 5a；6 helical splines；7 retardation gear moving axis；8 roller positioning
Device；9 torsionsprings.
Specific embodiment
Embodiment one (flexible roller groove is arranged on single retarded device case inwall)：
As shown in figure 1, a kind of unidirectional planetary reduction gear of starter, including non-return device and deceleration device, described deceleration
Device is planetary reducer, including planetary reduction gear ring gear 1 and retardation gear moving axis 7, is characterized in：Described non-return device
Including a single retarded device case 4 and friction stopping device；A described single retarded device case 4 is cylindrical in shape, in it
Wall is provided with some grooves 5；A described single retarded device case 4 is enclosed within a planetary reduction gear ring gear 1；Institute
State friction stopping device and include the spring 2 in a groove 5 and roller 3；Described spring 2 one end is against groove 5 side
On wall, the other end passes through spring base or directly withstands roller 3；Ramped shaped is made in the bottom of a number groove 5, and it is with a planet
The distance between decelerator ring gear 1 outer wall forms gradual change gap.
As shown in Figure 3 and Figure 4, when described spring 2 is flat spring 2a, spring base is flat spring seat 2a-1；
As shown in Figure 6 and Figure 7, when described spring 2 is two coil spring 2b, spring base is circle spring abutment 2b-1；
As shown in figure 5, described flat spring seat 2a-1 is provided with flat spring chuck 2a-3 placing flat spring 2a, and and roller-contact
Face make with roller 3 cooperation arc surface 2a-2；As shown in figure 8, described round spring abutment 2b-1 is provided with places coil spring 2b's
Circle spring chuck 2b-3, and equally make the arc surface 2a-2 with roller 3 cooperation with the face of roller-contact.
As shown in Fig. 2 described retardation gear moving axis 7 is provided with helical spline 6；Starter motor drive shaft pass through helical spline 6 with
Retardation gear moving axis 7 connects；
Embodiment two (flexible roller groove is arranged on planetary reduction gear annular gear outer-wall)：
As shown in figure 9, a kind of unidirectional planetary reduction gear of starter, including non-return device and deceleration device, described deceleration
Device is planetary reducer, including No. two planetary reduction gear ring gear 1a, is characterized in：Described non-return device includes No. two
Single retarded device case 4a and friction stopping device；Described No. two single retarded device case 4a are cylindrical in shape, and it is enclosed within No. two
On planetary reduction gear ring gear 1a；Some No. two groove 5a are provided with the outer wall of described No. two planetary reduction gear ring gear 1a；
Described friction stopping device includes spring 2 and roller 3 in No. two groove 5a；Described spring 2 one end is against
On No. two groove 5a side walls, the other end passes through spring base or directly withstands roller 3；Ramped shaped is made in the bottom of No. two groove 5a,
The distance between itself and No. two single retarded device case 4a inwalls form gradual change gap.
Embodiment three (non-return device adopts roller positioner)：
As shown in Figure 10, the unidirectional planetary reduction gear of a kind of starter, including planetary reducer and non-return device, it is special
Putting is：Described non-return device includes No. three single retarded device case 4b, planetary reduction gear ring gear 1, a roller 3；No. three
Single retarded device case 4b is enclosed within outside described planetary reduction gear ring gear 1；Described non-return device also includes roller positioner 8
And torsionspring 9；Described roller 3 is located in the roller slot on roller positioner 8, and is placed in three with roller positioner 8
In gap between the inwall of number single retarded device case 4b and the outer wall of planetary reduction gear ring gear 1, wherein：No. three unidirectional
The inwall average mark of deceleration device housing 4b is furnished with some spaces for accommodating roller 3, the bottom in this space and planetary reduction gear
Form the gradual change gap enough to block roller 3 between the outer wall of device ring gear 1；Described torsionspring 9 one end is fixed on roller
On positioner 8, the other end is fixed on No. three single retarded device case 4b, and torsionspring 9 should keep after being installed in place opening
Open trend, make whole rollers 3 be in the position blocked.
Roller positioner 8 adopts metal material or plastic material manufacture.
Embodiment one operation principle：
During utility model works, retardation gear moving axis 7 is connected with starter driving shaft by helical spline 6, works as deceleration
During drive shaft 7 rotation, a planetary reduction gear ring gear 1 is rotated clockwise, and a single retarded device case 4 is motionless,
In the narrow gap that roller 3 is squeezed into a groove 5 in the presence of spring 2 auxiliary and frictional force (less than the diametrical position of roller 3)
A number planetary reduction gear ring gear 1 is by the stuck braking of roller 3, now, retardation gear moving axis 7 rotary transfer motor torque.
When retardation gear moving axis 7 back rotates, planetary gear drives a planetary reduction gear ring gear 1 counterclockwise to revolve
Turn, a single retarded device case 4 is motionless, and roller 3 extrusion spring 2 in the presence of frictional force rolls to the width of a groove 5
In gap (more than the diametrical position of roller 3) now, the braking of planetary reduction gear ring gear 1 is released from, with planetary gear rotation,
It is in clutch state, torque can not pass to motor.Embodiment two and three is similar with embodiment one, repeats no more.
Claims (4)
1. the unidirectional planetary reduction gear of a kind of starter, including non-return device and deceleration device, described deceleration device is planet tooth
Wheel decelerator, including planetary reduction gear ring gear (1) and retardation gear moving axis (7), is characterized in that：Described non-return device includes No. one
Single retarded device case (4) and friction stopping device；A described single retarded device case (4) is cylindrical in shape, and its inwall sets
It is equipped with some grooves (5)；A described single retarded device case (4) is enclosed within a planetary reduction gear ring gear (1)；
Described friction stopping device includes spring (2) and roller (3) in a groove (5)；Described spring (2) one end is against one
On number groove (5) side wall, the other end passes through spring base or directly withstands roller (3)；Slope is made in the bottom of a number groove (5)
Shape, the distance between itself and planetary reduction gear ring gear (1) outer wall form gradual change gap；
When described spring (2) is flat spring (2a), spring base is flat spring seat (2a-1)；
When described spring (2) is two coil spring (2b), spring base is circle spring abutment (2b-1)；
Described flat spring seat (2a-1) is provided with the flat spring chuck (2a-3) placing flat spring (2a), and makes with the face of roller-contact
The arc surface (2a-2) coordinating with roller (3)；Described round spring abutment (2b-1) is provided with the round spring chuck placing coil spring (2b)
(2b-3), and with the face of roller-contact equally make the arc surface (2a-2) coordinating with roller (3)；
Described retardation gear moving axis (7) is provided with helical spline (6)；Starter motor drive shaft passes through helical spline (6) and deceleration
Axle (7) connects.
2. the unidirectional planetary reduction gear of a kind of starter, including non-return device and deceleration device, described deceleration device is planet tooth
Wheel decelerator, including No. two planetary reduction gear ring gears (1a), is characterized in that：Described non-return device includes No. two single retarded dresses
Encloser body (4a) and friction stopping device；Described No. two single retarded device cases (4a) are cylindrical in shape, and it is enclosed within No. two planets and subtracts
On fast device ring gear (1a)；Some No. two grooves (5a) are provided with the outer wall of described No. two planetary reduction gear ring gears (1a)；
Described friction stopping device includes spring (2) and roller (3) in No. two grooves (5a)；Described spring (2) one end
It is against on No. two groove (5a) side walls, the other end passes through spring base or directly withstands roller (3)；The bottom system of No. two grooves (5a)
Ramp-like, the distance between itself and No. two single retarded device case (4a) inwalls form gradual change gap.
3. a kind of unidirectional planetary reduction gear of starter, including planetary reducer and non-return device, is characterized in that：Described unidirectional
Device includes No. three single retarded device cases (4b), planetary reduction gear ring gear (1), a roller (3)；No. three single retardeds
Device case (4b) is enclosed within described planetary reduction gear ring gear (1) outward；Described non-return device also include roller positioner (8) and
Torsionspring (9)；Described roller (3) is located in the roller slot on roller positioner (8), and with roller positioner (8) peace
It is placed in the gap between the inwall of No. three single retarded device cases (4b) and the outer wall of planetary reduction gear ring gear (1), its
In：The inwall average mark of No. three single retarded device cases (4b) is furnished with some spaces for accommodating roller (3), this space
Form the gradual change gap enough to block roller (3) between the outer wall of bottom and planetary reduction gear ring gear (1)；Described torsion bullet
Spring (9) one end is fixed on roller positioner (8), and the other end is fixed on No. three single retarded device cases (4b), reverses
Spring (9) should keep, after being installed in place, the trend of opening, and makes whole rollers (3) be in the position blocked.
4., according to the unidirectional planetary reduction gear of the starter described in claim 3, it is characterized in that：Roller positioner (8) adopts
Metal material or plastic material manufacture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620500356.6U CN205936943U (en) | 2016-05-26 | 2016-05-26 | One -way planet gear of starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620500356.6U CN205936943U (en) | 2016-05-26 | 2016-05-26 | One -way planet gear of starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205936943U true CN205936943U (en) | 2017-02-08 |
Family
ID=57931592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620500356.6U Expired - Fee Related CN205936943U (en) | 2016-05-26 | 2016-05-26 | One -way planet gear of starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205936943U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840389A (en) * | 2016-05-26 | 2016-08-10 | 朔州市三通亿达汽车电器有限责任公司 | One-way planetary speed reducer for starter |
| CN110439938A (en) * | 2018-05-02 | 2019-11-12 | 佳能株式会社 | One-way clutch and sheet carrying device |
-
2016
- 2016-05-26 CN CN201620500356.6U patent/CN205936943U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840389A (en) * | 2016-05-26 | 2016-08-10 | 朔州市三通亿达汽车电器有限责任公司 | One-way planetary speed reducer for starter |
| CN110439938A (en) * | 2018-05-02 | 2019-11-12 | 佳能株式会社 | One-way clutch and sheet carrying device |
| CN110439938B (en) * | 2018-05-02 | 2021-06-08 | 佳能株式会社 | One-way clutch and sheet conveying apparatus |
| US11268581B2 (en) | 2018-05-02 | 2022-03-08 | Canon Kabushiki Kaisha | One-way clutch and sheet conveyance apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |