CN208487176U - Planetary ring gear - Google Patents
Planetary ring gear Download PDFInfo
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- CN208487176U CN208487176U CN201821065443.9U CN201821065443U CN208487176U CN 208487176 U CN208487176 U CN 208487176U CN 201821065443 U CN201821065443 U CN 201821065443U CN 208487176 U CN208487176 U CN 208487176U
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- gear
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- gear ring
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Abstract
The utility model belongs to planetary reduction gear formula one-way clutch technical field, it is related to a kind of planetary ring gear, including gear ring ontology and the bushing being fixed in gear ring ontology inner hole, wherein gear ring ontology includes the tip edge portion of integrally connected, disc, and the inner hole in the tip edge portion is to disc left side extended configuration at teeth portion；Stiffening ring is arranged in the external peripheral surface of the gear ring ontology, be provided on stiffening ring central symmetry and axially through two circular-shaped notchs, stiffening ring is internal in the axial direction to be equipped with the pit being distributed uniformly and circumferentially, and gear ring ontology circumferential surface is equipped with centrosymmetric two arc cams.The gear ring is easily worked that forming, at low cost and noise is smaller when engaging with planetary gear.
Description
Technical field
The utility model belongs to planetary reduction gear formula one-way clutch technical field, is related to a kind of planetary ring gear.
Background technique
By effort for many years and grope, China's automobile industry core technology and key components and parts design and develop level
Huge breakthrough is achieved, structure design is increasingly advanced reasonable.But with the implementation of national new energy policy, energy conservation and environmental protection
It is required that increasingly raising, it is higher and higher to the discharge and power conservation requirement of automobile, it is necessary to reduce the volume and again of our deisgn products
Amount, to achieve the purpose that reduce energy-consuming.As the starter of key components and parts in car combustion engine electrical equipment and electrical system,
Volume must be reduced and reach bigger output power, and to reach this purpose, one-way clutch used in starter must be adopted
With planetary reduction gear formula one-way clutch.Its structure one end is one-way clutch mechanism, and one-way clutch mechanism is socketed on planet axis outer circle,
When planet axis rotation, one-way clutch mechanism is moved forward by inertia, and driving gear is engaged with engine ring gear, and engine is risen
Dynamic, when planet axis stops operating, isolator retreats playback under the action of compressed spring；Right end is planetary gear reducing mechanism,
Planetary gear speed reducing mechanism is made of planet axis, planetary ring gear, planetary gear, planet pin etc., and as planetary gear reducing mechanism
Key part planetary ring gear presently, there are following problems: 1, irregular structure, using metal make cold extrusion forming when internal tooth tooth
It is inconsistent to push up size, 2, heat treatment vessel it is easily-deformable, and deflection is not easily controlled；3, noise is big when engaging with planetary gear.For
This devises a kind of planetary ring gear made of nylon.
Summary of the invention
The utility model in view of the above-mentioned problems, provide a kind of planetary ring gear, the gear ring be easily worked forming, it is at low cost and with
Noise is smaller when planetary gear engages.
According to the technical solution of the utility model includes: a kind of planetary ring gear, it is characterised in that: including gear ring ontology and be fixed on
Bushing in gear ring ontology inner hole, wherein gear ring ontology includes the tip edge portion of integrally connected, disc, the inner hole in the tip edge portion
To disc left side extended configuration at teeth portion；Stiffening ring is arranged in the external peripheral surface of the gear ring ontology, is arranged on stiffening ring
Have central symmetry and axially through two circular-shaped notchs, stiffening ring is internal in the axial direction to be equipped with along the circumferential direction uniformly point
The pit of cloth, gear ring ontology circumferential surface are equipped with centrosymmetric two arc cams.
The disc left side is arranged first at gear ring ontology inner hole as a further improvement of the utility model,
Round boss, and groove is set in the end face of the first round boss；Disc right side is in the second circle of setting close at inner hole
Boss.
Bushing left side, bushing right side are born against in gear ring ontology as a further improvement of the utility model,
The axial ends face of the square groove of hole setting.
The stiffening ring extends to tip edge portion from disc right side as a further improvement of the utility model, and with
Tip edge portion forms first step between surface.
The line of the line and two arc cams of two circular-shaped notchs as a further improvement of the utility model,
Between angulation be 30 °.
The teeth portion is equipped with the involute internal tooth that profile angle is 12 ° to 25 ° as a further improvement of the utility model,
Wheel.
The teeth portion extends right to a disc left side from tip edge portion inner circumferential top as a further improvement of the utility model,
End face, and connect with the camber transition of disc left side.
The gear ring ontology is made of enhancing nylon as a further improvement of the utility model,.
The utility model has the technical effect that the utility model product can be once-forming using enhancing nylon production, and
Bushing can be embedded into injection mould gear ring ontology forming when with gear ring ontology in conjunction with, eliminate with rear pressing shaft lining process, process is few,
It is at low cost, and the coefficient of friction of part is reduced with nylon production, to reduce noise when gear engagement.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the A-A cross-sectional view of Fig. 2.
Specific embodiment
Specific embodiment of the present utility model is further described with reference to the accompanying drawing.
In Fig. 1 ~ 3, including gear ring ontology 1, tip edge portion 101, teeth portion 1011, disc 102, disc left side 1021,
First round boss 1022, triangular groove 1023, disc right side 1024, the second round boss 1025, inner hole 1026, side
Slot 1027, stiffening ring 103, first step 1031, pit 104, arc cam 106, second step 1061, notch 107, bushing
2, bushing left side 201, bushing right side 202 etc..
As shown in Fig. 1 ~ 3, the utility model is as shown, a kind of planetary ring gear includes gear ring ontology 1 and bushing 2, tooth
Circle ontology 1 is disk-shaped part, it includes 102 2 part of tip edge portion 101 and disc, 102 periphery of tip edge portion 101 and disc
Equipped with stiffening ring 103, stiffening ring 103 extends to tip edge portion 101 from disc right side 1024 and forms with 101 end of tip edge portion
First step 1031, upper and lower central symmetry are equipped with the circular-shaped notch 107 of front and back perforation, internal in the axial direction to be equipped with circumferentially
The equally distributed circular ring shape pit 104 that several are open to first step 1031 in direction, outer circle are equipped with centrosymmetric circular arc
Shape boss 106 is used for radial positioning, and arc cam 106 extends simultaneously from disc right side 1024 to 1031 direction of first step
A second step 1061 is formed with 103 outer circle of stiffening ring, arc cam 106 and the angle of circular-shaped notch 107 are 30 °.
To inner circumferential extended configuration at teeth portion 1011, it is that 12 ° to 25 ° involute internal gears are used that teeth portion 1011, which is equipped with profile angle, in tip edge portion 101
It is engaged in planet tooth, teeth portion 1011 extends right to disc left side 1021 and Cheng Yuan from tip edge portion 101 inner circumferential top
Arc connection, disc left side 1021 are being equipped with the first round boss 1022,1022 end of the first round boss close at inner hole
Face is equipped with the friction that a triangular groove 1023 to the right is used to store grease reduction and planet axial end, disc right side
1024 are being equipped with second round boss 1025, disc 102, round boss 1022 and the second round boss close at inner hole
1025 disjunctor centers are equipped with inner hole 1026, and cylindrical square groove 1027 is equipped among inner hole 1026, is equipped in cylindrical square groove 1027
One bushing 2.Bushing 2 is cover parts, and outer circle is socketed in the inner hole of cylindrical square groove 1027, the inner hole of cylindrical square groove 1027
For smooth, cylindrical peripheral surface, bushing left side 201 offsets with 1027 left side of cylindrical square groove, bushing right side 202 and cylinder side
1027 right side of slot offsets, and bushing 2 is first put into injection mould when processing, then injection molded gear ring ontology 1 makes bushing 2 and gear ring
Ontology 1 is incorporated in one, and such bushing 2 is not forced the gear ring ontology 1 that falls off.
Since the gear ring ontology 1 in planetary ring gear is equipped with centrosymmetric arc cam 106, if using made of metal
Make, could complete by multiple manufacturing procedure, complex process is at high cost, and uses this structure can one with the production of enhancing nylon
Secondary forming, and bushing 2 can be embedded into injection mould and be combined when gear ring ontology 1 is shaped with gear ring ontology 1, eliminate and served as a contrast with rear pressing shaft
2 processes, process is few, at low cost, and reduces the coefficient of friction of part with nylon production, thus making an uproar when reducing gear engagement
Sound.
Claims (8)
1. a kind of planetary ring gear, it is characterised in that: including gear ring ontology (1) and the bushing being fixed in gear ring ontology (1) inner hole
(2), wherein gear ring ontology (1) includes the tip edge portion (101) of integrally connected, disc (102), the tip edge portion (101) it is interior
Hole is to disc left side (1021) extended configuration at teeth portion (1011)；The external peripheral surface setting of the gear ring ontology (1) adds
Strong circle (103), be provided on stiffening ring (103) central symmetry and axially through two circular-shaped notchs (107), stiffening ring
(103) internal in the axial direction to be equipped with the pit (104) being distributed uniformly and circumferentially, gear ring ontology (1) circumferential surface is equipped with
Centrosymmetric two arc cams (106).
2. planetary ring gear as described in claim 1, it is characterised in that: the disc left side (1021) is close to gear ring ontology
(1) the first round boss (1022) are set at inner hole, and groove (1023) is set in the end face of the first round boss (1022)；Circle
The second round boss (1025) are being arranged close at inner hole in disk body right side (1024).
3. planetary ring gear as described in claim 1, it is characterised in that: bushing left side (201), bushing right side (202) point
It is not resisted against the axial ends face of the square groove (1027) of gear ring ontology (1) inner hole setting.
4. planetary ring gear as described in claim 1, it is characterised in that: the stiffening ring (103) is from disc right side
(1024) it extends to tip edge portion (101), and forms first step (1031) between tip edge portion (101) surface.
5. planetary ring gear as described in claim 1, it is characterised in that: the line and two circles of two circular-shaped notchs (107)
Angulation is 30 ° between the line of arc boss (106).
6. planetary ring gear as described in claim 1, it is characterised in that: it is 12 ° to 25 ° that the teeth portion (1011), which is equipped with profile angle,
Involute internal gear.
7. planetary ring gear as described in claim 1, it is characterised in that: the teeth portion (1011) is from tip edge portion (101) inner circumferential top
End extends right to disc left side (1021), and connect with disc left side (1021) camber transition.
8. planetary ring gear as described in claim 1, it is characterised in that: the gear ring ontology (1) is made of enhancing nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821065443.9U CN208487176U (en) | 2018-07-05 | 2018-07-05 | Planetary ring gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821065443.9U CN208487176U (en) | 2018-07-05 | 2018-07-05 | Planetary ring gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208487176U true CN208487176U (en) | 2019-02-12 |
Family
ID=65249829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821065443.9U Active CN208487176U (en) | 2018-07-05 | 2018-07-05 | Planetary ring gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208487176U (en) |
-
2018
- 2018-07-05 CN CN201821065443.9U patent/CN208487176U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |