JPS6184438A - differential transmission - Google Patents
differential transmissionInfo
- Publication number
- JPS6184438A JPS6184438A JP59207308A JP20730884A JPS6184438A JP S6184438 A JPS6184438 A JP S6184438A JP 59207308 A JP59207308 A JP 59207308A JP 20730884 A JP20730884 A JP 20730884A JP S6184438 A JPS6184438 A JP S6184438A
- Authority
- JP
- Japan
- Prior art keywords
- differential transmission
- gear
- external gear
- tooth ring
- shaped shell
- 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.)
- Pending
Links
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
- F16H49/00—Other gearings
- F16H49/001—Wave gearings, e.g. harmonic drive transmissions
-
- 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
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
-
- 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
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H2001/2881—Toothed gearings for conveying rotary motion with gears having orbital motion comprising two axially spaced central gears, i.e. ring or sun gear, engaged by at least one common orbital gear wherein one of the central gears is forming the output
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、弾性的に変形可能な薄肉鼓形殻を持つ外歯歯
車の半径方向の弾性力を利用して背隙を無くした差動変
速装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention provides a differential transmission that eliminates back clearance by utilizing the elastic force in the radial direction of an external gear having an elastically deformable thin drum-shaped shell. It is related to.
従来例の構成とその問題点
従来、歯車装置における背隙を排除するため、歯車の歯
環を弾性的に軸と結合することが提案されている。この
場合に結合は例えばＳ字形の歯車脚部によって行うこと
ができる。これによって軸と歯環とのばね式の結合が生
ずる。このような公知の処置は簡単な構造という点で優
れてはいるが、歯車かばね弾性的な材料からつくられる
という制約を伴う。歯車脚部は特別な加工を必要とする
が、まさにこのような材料では困難である。Conventional Structures and Their Problems Conventionally, in order to eliminate back gaps in gear devices, it has been proposed to elastically connect the tooth ring of the gear to the shaft. In this case, the connection can be made, for example, by an S-shaped gear leg. This results in a spring-loaded connection between the shaft and the toothed ring. Although this known arrangement is advantageous in terms of its simple construction, it is subject to the limitation that the gear wheel is made of a spring-elastic material. Gear legs require special machining, which is difficult with just such materials.
さらに、歯環と軸とをうず巻ばねを介して互いに結合す
ることも知られている。この場合には、うす巻きばねが
初張力を与えられていて、歯環用のストッパを備えてお
り、このストッパによって歯環と軸との間の一定のねじ
れ角が生ずる。しかしながら、このような構造は著しく
複雑であり、歯車装置としての標準的な製作費も著しく
大きくなる。Furthermore, it is also known to connect the tooth ring and the shaft to each other via a spiral spring. In this case, the thin helical spring is pretensioned and is provided with a stop for the tooth ring, which creates a constant helix angle between the tooth ring and the shaft. However, such a structure is extremely complex and the standard production costs for a gearing system are also significantly high.
発明の目的
本発明は、上記従来の欠点を解消するもので、簡単な構
成でパラフラノシーのない差動変速装置を得ることを目
的とする。OBJECTS OF THE INVENTION The present invention solves the above-mentioned conventional drawbacks, and aims to provide a differential transmission with a simple configuration and no paraflanosy.
発明の構成
本発明は、歯環が弾性的に変形可能な薄肉鼓形殻の両端
に配置された外歯歯車を、その半径方向の弾性力を利用
して内歯歯車に無背隙で噛み合わすことを特徴とするも
ので、バックラッシュのない差動変速装置を提供できる
。 ・実施例の説明
以下に、本発明の一実施例を第１図にもとづいて説明す
る。Structure of the Invention The present invention is a method of meshing an external gear, which has a tooth ring disposed at both ends of a thin drum-shaped shell that can be elastically deformed, with an internal gear without a back gap by using its radial elastic force. This feature makes it possible to provide a backlash-free differential transmission. -Description of Embodiment An embodiment of the present invention will be described below based on FIG. 1.
図において、１は外歯歯車３の歯環であり、弾性的に変
形可能な薄肉鼓形殻２の両端に配置されている。４と６
は内歯歯車であり、これらのうちのどちらか片方が可動
歯車であり、もう一方が固定歯車となる。７は偏心ロー
タであり、その端面に配置された入力軸８を介して原動
機により駆動される。偏心ロータ７の偏心運動は軸受６
を介して外歯歯車３に伝えられる。In the figure, reference numeral 1 indicates a tooth ring of an external gear 3, which is arranged at both ends of an elastically deformable thin hourglass shell 2. 4 and 6
are internal gears, one of which is a movable gear and the other is a fixed gear. Reference numeral 7 denotes an eccentric rotor, which is driven by a prime mover via an input shaft 8 disposed on its end face. The eccentric movement of the eccentric rotor 7 is controlled by the bearing 6.
is transmitted to the external gear 3 via.
このようにして外歯歯車３が内歯歯車４および５と噛み
合いながら偏心運動することにより、差動変速装置を構
成するものである。In this way, the external gear 3 moves eccentrically while meshing with the internal gears 4 and 5, thereby forming a differential transmission.
また、上記差動変速装置は同図に示すように、入力軸８
の中心線９を外歯歯車３と内歯歯車４および５とが噛み
合っている入方向に微少量だけ移動した後固定してやる
と、薄肉鼓形殻２はその軸直角断面において楕円形に変
形し、その際に発生する半径方向の弾性力によシ、外歯
歯車３の歯環１は内歯歯車４および６に押し付けられる
ことになり、バックラッシュを無くすることができる。Further, as shown in the figure, the differential transmission device has an input shaft 8.
When the center line 9 is moved by a small amount in the direction of engagement between the external gear 3 and the internal gears 4 and 5 and then fixed, the thin drum-shaped shell 2 is deformed into an elliptical shape in a cross section perpendicular to its axis. Due to the radial elastic force generated at this time, the tooth ring 1 of the external gear 3 is pressed against the internal gears 4 and 6, and backlash can be eliminated.
発明の効果
このように本発明によれば、非常に簡単な構成でもって
、バックラッシュの無い差動変速装置を構成することが
できる。Effects of the Invention As described above, according to the present invention, a backlash-free differential transmission can be constructed with a very simple configuration.
第１図は本発明の差動変速装置の正面断面図、第２図は
同側面図である。
１・・・・・外歯歯車の歯環、２・・・・・・外歯歯車
の薄肉鼓形殻、３・・・・・・外歯歯車、４，５・・・
・・・内歯歯車、θ・・・・・・軸受、７・・・・・・
偏心ロータ、８・・・・・・入力軸、９・・・・・・入
力軸の中心線。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第１
図
第２図FIG. 1 is a front sectional view of a differential transmission according to the present invention, and FIG. 2 is a side view of the same. 1...Tooth ring of external gear, 2...Thin drum-shaped shell of external gear, 3...External gear, 4, 5...
...Internal gear, θ...Bearing, 7...
Eccentric rotor, 8... Input shaft, 9... Center line of input shaft. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 2
Claims (1)
た外歯歯車を、その半径方向の弾性力を利用して内歯歯
車に無背隙で噛み合わすことを特徴とする差動変速装置
。A difference characterized in that an external gear disposed at both ends of a thin drum-shaped shell whose tooth ring is elastically deformable is meshed with an internal gear without a back gap by utilizing its radial elastic force. Dynamic transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59207308A JPS6184438A (en) | 1984-10-02 | 1984-10-02 | differential transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59207308A JPS6184438A (en) | 1984-10-02 | 1984-10-02 | differential transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6184438A true JPS6184438A (en) | 1986-04-30 |
Family
ID=16537617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59207308A Pending JPS6184438A (en) | 1984-10-02 | 1984-10-02 | differential transmission |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6184438A (en) |
-
1984
- 1984-10-02 JP JP59207308A patent/JPS6184438A/en active Pending
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