JPH058366Y2 - - Google Patents
Info
- Publication number
- JPH058366Y2 JPH058366Y2 JP1985057640U JP5764085U JPH058366Y2 JP H058366 Y2 JPH058366 Y2 JP H058366Y2 JP 1985057640 U JP1985057640 U JP 1985057640U JP 5764085 U JP5764085 U JP 5764085U JP H058366 Y2 JPH058366 Y2 JP H058366Y2
- Authority
- JP
- Japan
- Prior art keywords
- protrusion
- boss
- rim
- elastic member
- gear
- 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.)
- Expired - Lifetime
Links
Landscapes
- Gears, Cams (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、歯車に関し、更に詳しくは、トルク
の変動を吸収する手段を備えた歯車に関する。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a gear, and more particularly to a gear equipped with means for absorbing torque fluctuations.
（従来の技術）
駆動トルクの伝達に歯車を用いた機械装置にお
いて、駆動源側又は従動側にトルクの変動がある
場合に、該トルクの変動を吸収するための手段を
付された歯車が使用されている。(Prior Art) In a mechanical device that uses gears to transmit driving torque, when there is a torque fluctuation on the drive source side or driven side, a gear equipped with a means for absorbing the torque fluctuation is used. has been done.
第２図に示すものは、この種の歯車の一例であ
つて、図示しない駆動軸を挿入されるボス１と歯
部４を付されたリム３との間に、ゴム様弾性材料
をもつて環状体に形成された弾性部材６が介挿さ
れている。 The gear shown in FIG. 2 is an example of this type of gear, and has a rubber-like elastic material between a boss 1 into which a drive shaft (not shown) is inserted and a rim 3 provided with teeth 4. An elastic member 6 formed into an annular body is inserted.
弾性部材６に過大なトルクが付加されて弾性部
材６が破損されるのを防止するために、図上に点
線により示すように、係止用突起２を備えた突出
部７がボス１に付され、係止用突起２と当接する
係止用凹所５がリム３側に設けられている。 In order to prevent the elastic member 6 from being damaged due to excessive torque being applied to the elastic member 6, a protrusion 7 having a locking protrusion 2 is attached to the boss 1, as shown by the dotted line in the figure. A locking recess 5 that comes into contact with the locking projection 2 is provided on the rim 3 side.
（考案が解決しようとする問題点）
上記の歯車を使用した機械装置において、駆動
源又は従動側にトルクの変動があつた場合には、
弾性部材６がトルクの変動を吸収して他方への影
響を防止するが、歯車がはす歯歯車或は傘歯車で
あつて軸方向の荷重を付加される装置である場合
には、弾性部材６が軸方向の剪断応力により損傷
されるおそれが残されている。(Problem to be solved by the invention) In the mechanical device using the above gears, if there is a fluctuation in torque on the drive source or driven side,
The elastic member 6 absorbs torque fluctuations and prevents them from affecting the other torque, but if the gear is a helical gear or bevel gear and is a device to which an axial load is applied, the elastic member 6 6 remains at risk of being damaged by axial shear stress.
本考案は、軸方向荷重を課される歯車における
上記した問題点を解消して、軸方向負荷にも耐え
る構造を備えた歯車を提示することを目的とする
ものである。 It is an object of the present invention to solve the above-described problems in gears that are subjected to axial loads and to provide a gear that has a structure that can withstand axial loads.
（問題点を解決するための手段）
本考案は、上記した従来技術による弾性部材付
歯車における問題点に鑑み、前記リムに前記突出
部の前記弾性部材と反対側に径方向内方に拡張し
たフランジ部を備え、前記フランジ部と前記突出
部の相対する面に狭まれた環状空間を形成し、低
摩擦性及び弾性を備えた合成樹脂材料製の摺動部
材を前記環状空間内に介挿するものである。(Means for Solving the Problems) In view of the problems with the gears with elastic members according to the prior art described above, the present invention provides a structure in which the protruding portion of the rim is expanded radially inward on the opposite side of the elastic member. a flange portion, a narrow annular space formed between opposing surfaces of the flange portion and the protruding portion, and a sliding member made of a synthetic resin material having low friction and elasticity inserted into the annular space; It is something to do.
（作用）
上記した構成を備える歯車においては、トルク
の変動が弾性部材によつて吸収され、軸方向荷重
が摺動部材により支えられる。(Function) In the gear having the above configuration, torque fluctuations are absorbed by the elastic member, and axial loads are supported by the sliding member.
（実施例）
第１図の実施例にあつては、互いに同芯に組合
されるボス１及びリム３の間に、ゴム様弾性材料
により環状体に成形された弾性部材６が介挿さ
れ、更に、ボス１及びリム３に付されたフランジ
８の相対する面に挟まれた環状空間１１内にフツ
素樹脂材料をもつて略ドーナツ形状に形成された
摺動部材１３が挿入されている。(Embodiment) In the embodiment shown in FIG. 1, an elastic member 6 formed into an annular body made of a rubber-like elastic material is inserted between the boss 1 and the rim 3 which are assembled concentrically with each other. Further, a sliding member 13 made of a fluororesin material and formed into a substantially donut shape is inserted into an annular space 11 sandwiched between opposing surfaces of the boss 1 and the flange 8 attached to the rim 3.
（考案の効果）
本考案の歯車が、上記したように、ボスとリム
の間にゴム様弾性材製の弾性部材を介挿され、更
に、前記リムに前記突出部の前記弾性部材と反対
側に径方向内方に拡張したフランジ部を備え、前
記フランジ部と前記突出部の相対する面に狭まれ
た環状空間を形成し、低摩擦性及び弾性を備えた
合成樹脂材料製の摺動部材を前記環状空間内に介
挿した構成を備えていることにより、駆動源及び
従動側の一方に生起されたトルクの変動を弾性部
材が吸収して他方への伝達を阻止し、軸方向に付
加される荷重を摺動部材が支えて剪断応力による
弾性部材の損傷を防止する。(Effects of the Invention) As described above, the gear of the present invention has an elastic member made of a rubber-like elastic material inserted between the boss and the rim, and further includes an elastic member on the rim on the side of the protrusion opposite to the elastic member. a sliding member made of a synthetic resin material having low friction and elasticity, comprising a flange portion expanding radially inward, forming a narrow annular space between opposing surfaces of the flange portion and the protruding portion; is inserted into the annular space, the elastic member absorbs fluctuations in torque generated on one of the drive source and the driven side, prevents transmission to the other, and prevents the torque from being transmitted to the other side. The sliding member supports the applied load to prevent damage to the elastic member due to shear stress.
第１図は、本考案の実施例の断面図、第２図
は、従来技術による歯車の断面図である。
１……ボス、２……係止用突起、３……リム、
４……歯車、５……係止用凹所、６……弾性部
材、１１……環状空間、１３……摺動部材。
FIG. 1 is a sectional view of an embodiment of the present invention, and FIG. 2 is a sectional view of a gear according to the prior art. 1... Boss, 2... Locking protrusion, 3... Rim,
4... Gear, 5... Locking recess, 6... Elastic member, 11... Annular space, 13... Sliding member.
Claims (1)
出部７を備えたボス１、歯部を付され前記係止用
突起２と当接する係止用凹所５を設けられ前記ボ
ス１と同心に組合わされたリム３、及び前記ボス
１と前記リム３の間に介挿され前記突出部７の側
方に位置するようにゴム状弾性材製弾性部材６を
有する歯車において、前記リム３に前記突出部７
に対し前記弾性部材６と反対側に径方向内方に拡
張したフランジ部８を備え、前記フランジ部８と
前記突出部７の相対する面に挟まれた環状空間１
１を形成し、低摩擦性及び弾性を備えた合成樹脂
材料製の摺動部材１３を前記環状空間１１内に介
挿したことを特徴とする歯車。 A boss 1 is provided with a protrusion 7 that is provided with a locking protrusion 2 and projects outward in the radial direction, and the boss 1 is provided with a locking recess 5 that is provided with teeth and comes into contact with the locking protrusion 2. A gear having a rim 3 concentrically assembled with the boss 1 and the rim 3, and an elastic member 6 made of a rubber-like elastic material inserted between the boss 1 and the rim 3 and located on the side of the protrusion 7, 3, the protrusion 7
An annular space 1 is provided with a flange portion 8 expanding radially inward on the opposite side from the elastic member 6, and is sandwiched between opposing surfaces of the flange portion 8 and the protrusion portion 7.
1, and a sliding member 13 made of a synthetic resin material having low friction and elasticity is inserted into the annular space 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985057640U JPH058366Y2 (en) | 1985-04-18 | 1985-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985057640U JPH058366Y2 (en) | 1985-04-18 | 1985-04-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61173852U JPS61173852U (en) | 1986-10-29 |
| JPH058366Y2 true JPH058366Y2 (en) | 1993-03-02 |
Family
ID=30582354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985057640U Expired - Lifetime JPH058366Y2 (en) | 1985-04-18 | 1985-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH058366Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7735165B2 (en) * | 2021-11-25 | 2025-09-08 | Nok株式会社 | Helical gear |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5179256U (en) * | 1974-12-17 | 1976-06-23 | ||
| JPS59164864U (en) * | 1983-04-19 | 1984-11-05 | 三菱電機株式会社 | gear drive |
-
1985
- 1985-04-18 JP JP1985057640U patent/JPH058366Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61173852U (en) | 1986-10-29 |
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