JPS59183547U - Clutch mechanism of power transmission device - Google Patents

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図乃至第３図は本考案の第１の実施例を示し、第１
図は本考案の噛合いクラッチを組込んだ変速装置の垂直
縦断面図、第２図はこの変速装置を用いた補機駆動系の
構成図、第３図はこの噛合いクラッチの断面図、第４図
はラップスプリングの斜視図、第５図Ａ乃至Ｅはクラッ
チの各領域におけるディテント機構と係合突起及び被係
合突起の位置関係を示す図、第６図は本考案の噛合いク
ラッチを組込んだ変速装置の変速特性を示すグラフ、第
７図及び第８図は第２の実施例を示し、第７図は断面図
、第８図は要部拡大図である。 １１・・・駆動軸、１２・・・フランジ（入力部材）、
１３・・・第１プーリ（出力部材）、１９・・・軸受、
３０．３０’・・・クラッチ機構ぐ３１，３１．。 ３１゜・・・遠心ウェイト、３　ｌａ、　　３１ａｔ、
　　３１ａ２・・・係合突起、３　ｌｂ、　　３　ｌｂ
ｌ、　　３　ｌｂ２・・・遠心ウェイト、３２・・・環
状中間部材、３２ａ・・・被係合突起、３２Ｃ・・・テ
ーパ面、３３．　３３．、　３３゜・・・遠心ウェイト
スプリング、３４・・・ラップスプリング、３４ａ−・
・入力端、３４ｂ−・・出力端、４０，４０．。 ４０□・・・ディテントｓｅｔ。1 to 3 show a first embodiment of the present invention.
The figure is a vertical cross-sectional view of a transmission incorporating the dog clutch of the present invention, Figure 2 is a configuration diagram of an auxiliary drive system using this transmission, and Figure 3 is a sectional view of this dog clutch. Fig. 4 is a perspective view of the wrap spring, Figs. 5 A to E are diagrams showing the positional relationship between the detent mechanism, the engaging protrusion, and the engaged protrusion in each region of the clutch, and Fig. 6 is the dog clutch of the present invention. 7 and 8 show the second embodiment, FIG. 7 is a sectional view, and FIG. 8 is an enlarged view of the main parts. 11... Drive shaft, 12... Flange (input member),
13... First pulley (output member), 19... Bearing,
30.30'...Clutch mechanism 31,31. . 31°...Centrifugal weight, 3la, 31at,
31a2...Engaging protrusion, 3 lb, 3 lb
l, 3 lb2... Centrifugal weight, 32... Annular intermediate member, 32a... Engaged projection, 32C... Tapered surface, 33. 33. , 33°...Centrifugal weight spring, 34...Wrap spring, 34a-...
- Input end, 34b--Output end, 40, 40. . 40□・・・Detent set.

Claims (1)

【実用新案登録請求の範囲】 １　人力部材１２と出力部材１３との間にラップスプリ
ング３４を介設して動力の伝達と解除を行う動力伝達装
置のクラッチ機構３０．３０′において、入力部材１２
に半径方向に移動自在に保持され、その外周に係合突起
３１ａ；３１ａ＋、　　３１ａ２を形成した遠心ウェイ
ト３１；３１１．３１□と、一端が入力部材１２に、他
端が遠心ウェイト３１；３Ｌ、３１□に弾設された遠心
ウェイトスプリング３３．３３．．３３□を設け、−万
人力部材１２の駆動軸１１に軸受１９を介して保持され
る出力部材１３にこれと周方向に相対移動可能で、かつ
内周に前記係合突起。 ３１ａ：３　ｆａｔ、　　３１ａ２と係合可能な被保合
突起３２ａを形成した環状中間部材３２を設け、前記ラ
ップスプリング３４の入力端３４ａを環状中間部材３２
に、出力端３４ｂを出力部材１３に結合し、前記両係合
突起３１ａ；３１ａｌ。 ３１ａ２；３２ａの係合時にラップスプリング３４が入
力側ドラム１２′と出力側ドラムの両方、あるいは入力
側ドラム１２′を巻締め入力部材１２から出力部材１３
へ動力を伝達し、両係合突起３１ａ；３１ａ１．　３１
ａ２；３２ａの解離時にはラップスプリング３４が弛緩
して動力の伝達が、解除されるようにしたことを特徴と
する動力伝達装置のクラッチ機構。 ２　前記環状中間部材３２の被係合突起３２ａの先端番
、こ切損防止のテーパ面３２Ｃを設けたことを特徴とす
る実用新案登録請求の範囲第１項記載の動力伝達装置の
クラッチ機構。 ３　前記遠心ウェイ）３１；３１．、　３１□に両係合
突起３１ａ；３１ａ□、　３１ａ２；３３ａの係合、解
離を規制するディテント機構４０；４０１．　４０□を
設けたことを特徴とする実用新案登録請求の範囲第１項
又は第２項記載の動力伝達装置のクラッチ機構。[Claims for Utility Model Registration] 1. In a clutch mechanism 30.30' of a power transmission device that transmits and releases power by interposing a wrap spring 34 between a human power member 12 and an output member 13, the input member 12
A centrifugal weight 31; 311.31□ is held movably in the radial direction and has engagement projections 31a; 31a+, 31a2 formed on its outer periphery; one end is connected to the input member 12, and the other end is connected to the centrifugal weight 31; 3L; Centrifugal weight spring 33.33. ．． 33□, which is movable relative to the output member 13 held on the drive shaft 11 of the universal force member 12 via a bearing 19 in the circumferential direction, and has the engagement protrusion on the inner periphery. 31a: 3 fat, an annular intermediate member 32 having a secured protrusion 32a that can be engaged with 31a2 is provided, and the input end 34a of the wrap spring 34 is connected to the annular intermediate member 32.
Then, the output end 34b is coupled to the output member 13, and both of the engaging protrusions 31a; 31al. 31a2; When 32a is engaged, the wrap spring 34 wraps both the input side drum 12' and the output side drum, or the input side drum 12', and moves from the input member 12 to the output member 13.
Transmits power to both engaging protrusions 31a; 31a1. 31
a2; A clutch mechanism for a power transmission device, characterized in that when 32a is disengaged, the wrap spring 34 is relaxed and power transmission is released. 2. A clutch mechanism for a power transmission device according to claim 1, which is a registered utility model, characterized in that the engaged protrusion 32a of the annular intermediate member 32 is provided with a tapered surface 32C for preventing breakage. 3 said centrifugal way) 31; 31. , 31□, a detent mechanism 40; 401. which restricts the engagement and disengagement of both engaging protrusions 31a; 31a□, 31a2; 33a; A clutch mechanism for a power transmission device according to claim 1 or 2 of the utility model registration claim, characterized in that a 40□ is provided.