JPS62156647U

JPS62156647U -

Info

Publication number: JPS62156647U
Application number: JP4532986U
Authority: JP
Priority date: 1986-03-27
Filing date: 1986-03-27
Publication date: 1987-10-05

Description

[Brief explanation of the drawing]

第１図〜第１６図は本考案の第１実施例に係る
動力伝達用Ｖ型チエーンベルトを示すものであり
、第１図はチエーンベルトの長手方向に切つた要
部断面図で第２図の―線に沿つた断面図、第
２図はチエーンベルトの平面図、第３図は第２図
の側面図、第４図は第３図の―線に沿つた断
面図、第５図は第３図の―線に沿つた断面図
、第６図は中央のリンクの正面図、第７図は第６
図の側面図、第８図は両側のリンクの正面図、第
９図は第８図の側面図、第１０図はピンを構成す
る長いピン要素の正面図、第１１図は第１０図の
側面図、第１２図はピンを構成する短いピン要素
の正面図、第１３図は第１２図の側面図、第１４
図はＶ型ブロツクの正面図、第１５図は第１４図
の側面図、第１６図はＶ型ブロツクの組み付け状
態を示す要部側面図、第１７図〜第２９図は本考
案の第２実施例に係る動力伝達用Ｖ型チエーンベ
ルトを示すものであり、第１７図はチエーンベル
トの平面図、第１８図は第１７図の側面図、第１
９図は第１８図の―線に沿つた断面
図、第２０図は第１９図の―線に沿つた
断面図、第２１図はリンクの正面図、第２２図は
第２１図の側面図、第２３図はピンを構成する長
いピン要素の正面図、第２４図は第２３図の側面
図、第２５図はピンを構成する短いピン要素の正
面図、第２６図は第２５図の側面図、第２７図は
抜け止めピンの正面図、第２８図はＶ型ブロツク
の正面図、第２９図は第２８図の側面図、第３０
図はＶ型ブロツクの組み付け状態を示す要部側面
図、第３１図は本考案の動力伝達用Ｖ型チエーン
ベルトを適用した無段変速機の一例を示す要部縦
断面図、第３２図は従来の動力伝達用Ｖ型チエー
ンベルトを用いた無段変速機において両プーリ間
で芯ずれが発生した状態を示す概略外観図である
。符号の説明、３……入力プーリ、４……出力プ
ーリ（Ｖ型プーリ）、１０…動力伝達用Ｖ型チエ
ーンベルト、２０……チエーン、３０……中央の
リンク、３１……トラツク状孔、３４……端部凸
曲面（端部外周面）、３５……中央リンクの外側
面、３６……端部平面（端部外周面）、３７……
端部凸曲面（端部外周面）、４０……両側のリン
ク、４１……ピン孔、４２……中央孔、４４……
端部凸曲面（端部外周面）、４５……両側リンク
の内側面、５０……ピン、５０Ａ……長いピン要
素、５０Ｂ……短いピン要素、５５……抜け止め
ピン、６０……Ｖ型ブロツク、６１……テーパ面
、６４，６６……Ｖ型ブロツクの前後面（押面）
、６５……ストツパ面、３００……リンク、Ｃ…
…Ｖ型ブロツクとチエーン間の隙間、δ……入出
力プーリ間での最大芯ずれ量。 1 to 16 show a V-type chain belt for power transmission according to a first embodiment of the present invention, FIG. 1 is a sectional view of the main part taken in the longitudinal direction of the chain belt, and FIG. Fig. 2 is a plan view of the chain belt, Fig. 3 is a side view of Fig. 2, Fig. 4 is a sectional view taken along line - of Fig. 3, and Fig. 5 is a sectional view taken along line - of Fig. 3. Figure 3 is a cross-sectional view taken along line -, Figure 6 is a front view of the central link, and Figure 7 is a cross-sectional view of the center link.
8 is a front view of the links on both sides, FIG. 9 is a side view of FIG. 8, FIG. 10 is a front view of the long pin element constituting the pin, and FIG. 12 is a front view of a short pin element constituting the pin; FIG. 13 is a side view of FIG. 12; FIG. 14 is a side view of FIG.
The figure is a front view of the V-shaped block, Fig. 15 is a side view of Fig. 14, Fig. 16 is a side view of main parts showing the assembled state of the V-shaped block, and Figs. 17 to 29 are the second part of the present invention. 17 is a plan view of the chain belt, FIG. 18 is a side view of FIG. 17, and FIG.
Figure 9 is a sectional view taken along line - in Figure 18, Figure 20 is a sectional view taken along line - in Figure 19, Figure 21 is a front view of the link, and Figure 22 is a side view of Figure 21. , FIG. 23 is a front view of a long pin element constituting the pin, FIG. 24 is a side view of FIG. 23, FIG. 25 is a front view of a short pin element constituting the pin, and FIG. 26 is a front view of FIG. FIG. 27 is a front view of the retaining pin, FIG. 28 is a front view of the V-shaped block, FIG. 29 is a side view of FIG. 28, and FIG. 30 is a side view of the retaining pin.
The figure is a side view of the main part showing the assembled state of the V-type block, FIG. 31 is a longitudinal cross-sectional view of the main part showing an example of a continuously variable transmission to which the V-type chain belt for power transmission of the present invention is applied, and FIG. FIG. 2 is a schematic external view showing a state in which misalignment occurs between both pulleys in a continuously variable transmission using a conventional V-type chain belt for power transmission. Explanation of symbols, 3...Input pulley, 4...Output pulley (V-type pulley), 10...V-type chain belt for power transmission, 20...Chain, 30...Central link, 31...Track-shaped hole, 34... End convex curved surface (end outer circumferential surface), 35... Outer surface of central link, 36... End flat surface (end outer circumferential surface), 37...
End convex curved surface (end outer peripheral surface), 40... Links on both sides, 41... Pin hole, 42... Center hole, 44...
Convex curved surface at the end (outer peripheral surface at the end), 45... Inner surface of both side links, 50... Pin, 50A... Long pin element, 50B... Short pin element, 55... Retaining pin, 60... V Type block, 61... Tapered surface, 64, 66... Front and rear surfaces (pushing surface) of V-shaped block
, 65...stopper side, 300...link, C...
...Gap between V-shaped block and chain, δ...Maximum misalignment between input and output pulleys.

Claims

[Scope of Claim for Utility Model Registration] (1) Input to both ends of an endless chain formed by stacking a plurality of links alternately and connecting the ends of each link with pins so that they can move freely. In a V-shaped chain belt for power transmission, which is equipped with a plurality of V-shaped blocks having tapered surfaces that come into frictional contact with a pulley and an output pulley, at least the link located at the center in the chain width direction among the links is arranged in the longitudinal direction of the chain. The pin is inserted into both ends of the track-shaped hole, and the V-shaped block is inserted into the central space between the two pins,
Furthermore, the V-shaped chain belt for power transmission is characterized in that the V-shaped blocks are positioned in the longitudinal direction of the chain by contacting the outer peripheral surfaces of the ends of the front and rear links in the longitudinal direction of the chain. (2) In the V-shaped block, the chain radial length at both ends in the chain width direction is set to be larger than the chain radial dimension of the track-shaped hole, and a stopper surface is formed at the stepped portion, so that the V-shaped block The chain belt for power transmission according to claim 1, wherein the mold block is constructed so as not to slip out of the chain in the width direction. (3) The length of the track-shaped hole in the link in the chain length direction is set to a size that allows the V-shaped block to be inserted by tilting the V-shaped block with the front or rear link connected by the pin. A V-type chain belt for power transmission according to claim 1 of the patented utility model. (4) The V-type chain belt for power transmission according to claim 1, wherein the link has a convex curved outer peripheral surface at both ends thereof. (5) The V-shaped block is characterized in that the front and rear surfaces in the longitudinal direction of the chain that are in contact with the convex curved surfaces of the links are concave curved surfaces.
V-type chain belt for power transmission as described in section. (6) A request for registration of a utility model characterized in that the V-shaped block has a gap larger than the maximum misalignment between the input and output pulleys between its stopper surface and both side surfaces of the chain. range 2nd
V-type chain belt for power transmission as described in section. (7) The links on both sides of the chain have pin holes at both ends, and the V in the center.
A V-type chain belt for power transmission, characterized by having a central hole into which the end of a mold block is fitted. (8) The V-type chain belt for power transmission according to claim 1, wherein the pin is a rocker joint consisting of two pin elements. (9) The pin is a locking joint consisting of two pin elements of different lengths, and the long pin element is fitted into the pin holes of the links on both sides and fixed, and the short pin element is fixed to the pin holes of the links on both sides. The V-type chain belt for power transmission according to claim 7, which is positioned in contact with the side surfaces of both links. (10) The V-type chain for power transmission according to claim 9, wherein the short pin element has both end surfaces that contact side surfaces of the links on both sides formed into convex curved surfaces. belt. 〓(11)１１〓 The outer periphery of both ends of the link in the longitudinal direction of the chain is a plane that is approximately perpendicular to the pitch line on the outer periphery side of the pitch line of the chain, and has a convex shape on the inner periphery side of the pitch line. The V-type chain belt for power transmission according to claim 1, which is characterized by having a curved surface. (12) 12 The V-shaped block has a shape in which the front and rear surfaces in the longitudinal direction of the chain have parallel planes that are in contact with planes at both ends of the link, as set forth in claim 11 of the utility model registration claim. V-type chain belt for power transmission. (13) The pin is a locking joint consisting of two pin elements of different lengths, and the long pin element is positioned on the links on both sides by retaining pins fitted to both ends of the long pin element. The V-type chain belt for power transmission according to claim 1, wherein the short pin element is positioned by a retaining pin.