CN204592078U - Planetary gear speed-reduction formula overrunning clutch - Google Patents
Planetary gear speed-reduction formula overrunning clutch Download PDFInfo
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- CN204592078U CN204592078U CN201520262070.4U CN201520262070U CN204592078U CN 204592078 U CN204592078 U CN 204592078U CN 201520262070 U CN201520262070 U CN 201520262070U CN 204592078 U CN204592078 U CN 204592078U
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- planet axis
- ring
- planetary gear
- hollow cylinder
- planet
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- 238000012856 packing Methods 0.000 claims abstract description 15
- 239000007858 starting material Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
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Abstract
The utility model relates to Clutch Technology field, specifically a kind of planetary gear speed-reduction formula overrunning clutch, comprise planet axis, the planet axis left end diameter of axle is equipped with one-way clutch mechanism assembly, planet axis right-hand member is provided with planetary gear reducing mechanism, and planet axis is rotated under planetary gear reducing mechanism drives; Compress Spring, locating cover, back-up ring and Steel Cable Baffle Ring is disposed with in planet axis, corresponding to the left side of one-way clutch mechanism assembly, described Steel Cable Baffle Ring is spacing fixing by the annular protrusion of planet axis end, Compress Spring one end holds out against on locating cover, and the other end holds out against on one-way clutch mechanism assembly; Described one-way clutch mechanism assembly comprises fixed cover, packing ring, actuation gear, leaf spring, case, roller, sleeve, hollow cylinder, packing ring, axle bush, and described muff is located in planet axis, and hollow cylinder is supported on described axle bush.This overrunning clutch compact dimensions, volume are little, lightweight and transmission torque is large, low production cost.
Description
Technical field
The utility model relates to Clutch Technology field, specifically a kind of planetary gear speed-reduction formula overrunning clutch.
Background technique
At present, the reduction gearing mechanism that common starter motor for internal combustion engine one-way element uses is fixed axis gear reducing transmission structure, and the slippage of one-way element promotes slippage by linkage mechanism, and volume is large, and Heavy Weight, cost is high.In order to closely follow the development of internal-combustion engine electrical equipment and electrical industry technology and supporting needs, adapting to the development trend that volume is little, weight will be light, devising a kind of planetary gear speed-reduction formula overrunning clutch.
Summary of the invention
The utility model, for the problems referred to above, provides a kind of planetary gear speed-reduction formula overrunning clutch, and this overrunning clutch compact dimensions, volume are little, lightweight and transmission torque is large, low production cost.
According to the technical solution of the utility model: a kind of planetary gear speed-reduction formula overrunning clutch, it is characterized in that: comprise planet axis, the planet axis left end diameter of axle is equipped with one-way clutch mechanism assembly, planet axis right-hand member is provided with planetary gear reducing mechanism, and planet axis is rotated under planetary gear reducing mechanism drives, Compress Spring, locating cover, back-up ring and Steel Cable Baffle Ring is disposed with in planet axis, corresponding to the left side of one-way clutch mechanism assembly, described Steel Cable Baffle Ring is spacing fixing by the annular protrusion of planet axis end, Compress Spring one end holds out against on locating cover, and the other end holds out against on one-way clutch mechanism assembly, described one-way clutch mechanism assembly comprises fixed cover, packing ring, actuation gear, leaf spring, case, roller, sleeve, hollow cylinder, packing ring, axle bush, described muff is located in planet axis, hollow cylinder is supported on described axle bush, the involute splines that sleeve inner ring is formed is meshed with the involute splines that planet axis is formed, case is fixedly connected on sleeve, actuation gear rotates and is arranged at hollow cylinder diameter of axle surface, and the involute splines that actuation gear inner ring is formed is meshed with the involute splines that hollow cylinder diameter of axle surface is formed, actuation gear front end is fixed on hollow cylinder by fixed cover is spacing, described actuation gear rear end is provided with leaf spring successively, packing ring, packing ring rear end is spacing fixing by the step that hollow cylinder is formed.
As further improvement of the utility model, described planetary gear reducing mechanism comprises ring gear, planetary pinion, planet pin and input shaft, end flanges is provided with on the right side of described planet axis, uniformly on described end flanges be provided with several planet pins, each described planet pin is all rotationally connected a planetary pinion, described planetary pinion is meshed with the toothed region of ring gear and the tooth-shape structure of input shaft end simultaneously, described input shaft rotates and is arranged at planet axis end flanges center position, and the power intake of input shaft connects starter armature axle.
As further improvement of the utility model, described hollow cylinder front inner diameter is greater than the external diameter of locating cover shell portion, holding space is formed between the cylinder inboard wall of hollow cylinder and Compress Spring, when one-way clutch mechanism assembly travels forward in planet axis, the cylindrical portions of locating cover stretches into described holding space, and described holding space the inner is provided with the first packing ring.
As further improvement of the utility model, in the enclosed space formed between described case and sleeve, be provided with roller.
As further improvement of the utility model, described sleeve right-hand member is spacing fixing by the shaft shoulder of planet axis, is provided with shaft block ring between ring gear and shaft shoulder right side.
Technique effect of the present utility model is: the utility model product is owing to have employed planetary gear speed-reduction drive mechanism, and the general fixed axis gear gearing down of planetary gear speed-reduction velocity ratio has the large advantage of transmitting torque.The compressive force that therefore can overcome Compress Spring makes one-way clutch mechanism move forward by inertia to engage with engine ring gear, eliminate linkage mechanism, and planetary gear speed-reduction drive mechanism inputs shaft axis and exports shaft axis, and its structure is more radial than fixed axis gear reducing transmission structure little many on the same axis, therefore can reach little, the lightweight and object that transmitting torque is large of compact dimensions, volume, reduce cost of production simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
In Fig. 1, comprise Steel Cable Baffle Ring 1, back-up ring 2, locating cover 3, Compress Spring 4, one-way clutch mechanism assembly 5, fixed cover 5-1, the first packing ring 5-2, actuation gear 5-3, leaf spring 5-4, case 5-5, roller 5-6, sleeve 5-7, hollow cylinder 5-8, packing ring 5-9, axle bush 5-10, holding space 5-11, ring gear 6, planetary pinion 7, planet pin 8, input shaft 9, planet axis 10, the shaft shoulder 11, shaft block ring 12 etc.
As shown in Figure 1, embodiment of the present utility model is as follows: Steel Cable Baffle Ring 1 is ring-shape accessory, and first disc and back-up ring 2 inner headed face offset, and second disc and planet axis 10 circular groove face offset.Back-up ring 2 is cover parts, cylindrical is smooth, cylindrical peripheral surface, endoporus is two cylindrical holes differed in size, the step end face in two holes becomes circular arc to connect with front aperture surface, arc-shaped surface and Steel Cable Baffle Ring 1 first half arc surface offset, rear end inner hole sleeve is connected to cylindrical place, planet axis 10 front end, and bottom right side and locating cover 3, outerplanar offsets.Locating cover 3 is barrel-shaped part, and bottom outerplanar and back-up ring 2 left side offset, and bottom plane and Compress Spring 4 end face offset, and bottom left end, inner hole sleeve is connected to cylindrical place, planet axis 10 front end, and the large inner hole sleeve of right-hand member is connected to Compress Spring 4 cylindrical.Compress Spring 4 is cylindrical helical spring, and cylindrical is socketed on the large endoporus of locating cover 3, and inner hole sleeve is connected to planet axis 10 cylindrical place, and left side and locating cover 3 bottom plane offset, and in right side and one-way clutch mechanism assembly 5, the first packing ring 5-2 end face offsets.One-way clutch mechanism assembly 5 is roller wedge contact formula one-way clutch mechanism, it is socketed on planet axis 10 cylindrical place, sleeve 5-7 place is used for transferring power for involute splines connects, make one-way clutch mechanism assembly 5 freely slippage forward along planet axis 10 axle center, occur that in order to prevent actuation gear 5-3 and engine ring gear apical tooth damages actuation gear 5-3, actuation gear 5-3 endoporus and sleeve 5-7 step by straight splined and in right side is provided with leaf spring 5-4, when actuation gear is subject to axial impact force can after move buffering.Ring gear 6 is die casting circle class part, cylindrical two semicircle towers setting up and down, rotate for being bumped into starter casing constraint ring gear 6, inner bore of step place, the ring gear 6 endoporus left side is socketed on planet axis 10 cylindrical, right side inner bore of step is provided with involute gear, this involute gear is meshed with three that are socketed on planet stent or four planetary pinions 7, and bottom boss plane and planet axis 10 right-hand member fin left side offset, and left side and shaft block ring 12 plane offset and realize axial constraint.Planetary pinion 7 is cover parts, have three or four compositions, Excircle machining has involute gear, while be meshed with internal gear on the right of ring gear 6 endoporus, while be meshed with the outer Knucle-gear of input shaft 9, inner hole sleeve is connected to planet pin 8 cylindrical, star pin 8 axle center rotation of can detouring like this, can revolve round the sun around planet axis 10 axle center again, left side and the right plane of planet axis 10 right-hand member fin offset.Planet pin 8 is Cylinder Parts, and cylindrical has a large young waiter in a wineshop or an inn step, and small stair cylindrical is socketed on the right of planet axis 10 in fin cylindrical hole and planetary pinion 7 endoporus, and two step connecting end surfaces and planetary pinion 7 right side offset.Input shaft 9 front end Excircle machining has involute gear and is meshed with planetary pinion 7, and rear end connects starter armature axle input power.Planet axis 10 is longaxones parts, first and second step of left end is smooth, cylindrical peripheral surface, second step cylindrical respectively with back-up ring 2 endoporus, the little endoporus of locating cover 3, the endoporus socket of Compress Spring 4 endoporus and one-way clutch mechanism assembly 5, a circular groove is opened in front end, a Steel Cable Baffle Ring 1 is bumped into for axial constraint in groove, 3rd step Excircle machining has involute splines, involute splines and one-way clutch mechanism assembly 5 sleeve 5-7 place involute splines are connected for transferring power, 4th step cylindrical is socketed on inner bore of step place, ring gear 6 left side, front end has a back-up ring square groove, a shaft block ring is bumped into for axial constraint in groove, right-hand member designs a fin, three or four cylindrical holes are had in the middle part of fin, planet pin 8 is socketed in hole, composition planet stent, left side and ring gear 6 bottom boss plane offset, right side and planetary pinion 7 left side offset.
As shown in Figure 1, the working principle of the utility model product is as follows: planet axis 10 left end is one-way clutch mechanism, one-way clutch mechanism is socketed on planet axis 10 cylindrical, when planet axis 10 rotates, one-way clutch mechanism moves forward by inertia, and actuation gear 5-3 engages with engine ring gear, and motor is started, when planet axis 10 stops operating, one-way element retreats playback under the effect of Compress Spring 4; Right-hand member is planetary gear reducing mechanism, and ring gear 6 is fixed on starter casing, and planet axis 10 right-hand member arranges ring fin.Ring fin end face is circumferentially uniformly distributed three or four smooth cylindrical holes, in hole, socket 3 or four planet pins 8 form planet stent, planet stent can rotate around planet axis 10 axle center and be socketed with planetary pinion, planetary pinion is while be meshed with internal gear on the right of ring gear 6 endoporus, while be meshed with the outer Knucle-gear of input shaft 9, such planetary pinion can detour the axle center rotation of star pin, can revolve round the sun around planet axis axle center again, input shaft 9 front end involute gear is also meshed with planetary pinion, and rear end connects starter armature axle input power.Because the fixed axis gear gearing down that planetary gear speed-reduction velocity ratio is general has the large advantage of transmitting torque.The compressive force that therefore can overcome Compress Spring 4 makes one-way clutch mechanism move forward by inertia to engage with engine ring gear, eliminate linkage mechanism, and planetary gear speed-reduction drive mechanism inputs shaft axis and exports shaft axis, and its structure is more radial than fixed axis gear reducing transmission structure little many on the same axis, therefore can reach little, the lightweight and object that transmitting torque is large of compact dimensions, volume, reduce cost of production simultaneously.
Claims (5)
1. a planetary gear speed-reduction formula overrunning clutch, it is characterized in that: comprise planet axis (10), planet axis (10) the left end diameter of axle is equipped with one-way clutch mechanism assembly (5), planet axis (10) right-hand member is provided with planetary gear reducing mechanism, and planet axis (10) is rotated under planetary gear reducing mechanism drives, planet axis (10) is upper, be disposed with Compress Spring (4), locating cover (3), back-up ring (2) and Steel Cable Baffle Ring (1) corresponding to the left side of one-way clutch mechanism assembly (5), described Steel Cable Baffle Ring (1) is spacing fixing by the annular protrusion of planet axis (10) end, Compress Spring (4) one end holds out against on locating cover (3), and the other end holds out against on one-way clutch mechanism assembly (5), described one-way clutch mechanism assembly (5) comprises fixed cover (5-1), packing ring (5-2), actuation gear (5-3), leaf spring (5-4), case (5-5), roller (5-6), sleeve (5-7), hollow cylinder (5-8), packing ring (5-9), axle bush (5-10), described axle bush (5-10) is sheathed in planet axis (10), hollow cylinder (5-8) is supported on described axle bush (5-10), the involute splines that sleeve (5-7) inner ring is formed is meshed with the upper involute splines formed of planet axis (10), case (5-5) is fixedly connected on sleeve (5-7), actuation gear (5-3) rotates and is arranged at hollow cylinder (5-8) diameter of axle surface, and the involute splines that actuation gear (5-3) inner ring is formed is meshed with the involute splines that hollow cylinder (5-8) diameter of axle surface is formed, actuation gear (5-3) front end is fixed on hollow cylinder (5-8) by fixed cover (5-1) is spacing, described actuation gear (5-3) rear end is provided with leaf spring (5-4) successively, packing ring (5-9), packing ring (5-9) rear end is spacing fixing by the upper step formed of hollow cylinder (5-8).
2. according to planetary gear speed-reduction formula overrunning clutch according to claim 1, it is characterized in that: described planetary gear reducing mechanism comprises ring gear (6), planetary pinion (7), planet pin (8) and input shaft (9), described planet axis (10) right side is provided with end flanges, uniformly on described end flanges be provided with several planet pins (8), each described planet pin (8) is all rotationally connected a planetary pinion (7), described planetary pinion (7) is meshed with the toothed region of ring gear (6) and the tooth-shape structure of input shaft (9) end simultaneously, described input shaft (9) rotates and is arranged at planet axis (10) end flanges center position, and the power intake of input shaft (9) connects starter armature axle.
3. according to planetary gear speed-reduction formula overrunning clutch according to claim 1, it is characterized in that: described hollow cylinder (5-8) front inner diameter is greater than the external diameter of locating cover (3) shell portion, holding space (5-11) is formed between the cylinder inboard wall of hollow cylinder (5-8) and Compress Spring (4), when one-way clutch mechanism assembly (5) travels forward in planet axis (10), the cylindrical portions of locating cover (3) stretches into described holding space (5-11), and described holding space (5-11) the inner is provided with the first packing ring (5-2).
4. according to planetary gear speed-reduction formula overrunning clutch according to claim 1, it is characterized in that: in the enclosed space formed between described case (5-5) and sleeve (5-7), be provided with roller (5-6).
5. according to planetary gear speed-reduction formula overrunning clutch according to claim 1, it is characterized in that: described sleeve (5-7) right-hand member is spacing fixing by the shaft shoulder (11) of planet axis (10), is provided with shaft block ring (12) between ring gear (6) and the shaft shoulder (11) right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520262070.4U CN204592078U (en) | 2015-04-27 | 2015-04-27 | Planetary gear speed-reduction formula overrunning clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520262070.4U CN204592078U (en) | 2015-04-27 | 2015-04-27 | Planetary gear speed-reduction formula overrunning clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204592078U true CN204592078U (en) | 2015-08-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520262070.4U Withdrawn - After Issue CN204592078U (en) | 2015-04-27 | 2015-04-27 | Planetary gear speed-reduction formula overrunning clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204592078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791399A (en) * | 2015-04-27 | 2015-07-22 | 无锡市神力齿轮冷挤有限公司 | Planetary gear reducing type one-way clutch |
-
2015
- 2015-04-27 CN CN201520262070.4U patent/CN204592078U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791399A (en) * | 2015-04-27 | 2015-07-22 | 无锡市神力齿轮冷挤有限公司 | Planetary gear reducing type one-way clutch |
| CN104791399B (en) * | 2015-04-27 | 2017-06-09 | 无锡市神力齿轮冷挤有限公司 | Planetary gear speed-reduction formula one-way clutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150826 Effective date of abandoning: 20170609 |