JPS62153445U

JPS62153445U -

Info

Publication number: JPS62153445U
Application number: JP4209786U
Authority: JP
Priority date: 1986-03-21
Filing date: 1986-03-21
Publication date: 1987-09-29

Description

[Brief explanation of the drawing]

第１図〜第１７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が一つのプーリに掛け
渡されている状態を抽出して示す要部側面図、第
２図は第１図の―線に沿つた断面図、第３図
はチエーンベルトの要部斜視図、第４図は中央の
リンクの正面図、第５図は第４図の側面図、第６
図はブツシユを固定した両側のリンクの正面図、
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
ブツシユの正面図、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Ｖ型ブロツクの側面
図、第１６図はチエーンベルトの組み付け状態を
示す要部分解斜視図、第１７図はチエーンベルト
の作用を説明するための図、第１８図および第１
９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１８図はチ
エーンベルトの要部斜視図、第１９図はＶ型ブロ
ツクの斜視図、第２０図は本考案の第３実施例に
係る動力伝達用Ｖ型チエーンベルトを示す第２図
に相当する断面図、第２１図および第２２図は本
考案の第４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２１図は第２図に相
当する断面図、第２２図はＶ型ブロツクの斜視図
、第２３図〜第２５図は本考案の第５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２３図は第２図に相当する断面図、第２４
図は凸部を一体成形した両側のリンクの正面図、
第２５図は第２４図の側面図、第２６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２７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（Ｖ型プーリ）
、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……ピン孔、４０
・４００……両側のリンク、５０……ブツシユ（
凸部）、５１……ピン孔、６０……ピン、６１…
…ピン要素、７０・１７０・２７０・３７０・４
７０……Ｖ型ブロツク、７１……テーパ面、７２
・２７２……両側の柱状部、７３・３７３・４７
３……梁部、７４・２７４……チエーン孔、７５
……凹部、７６……ピン溝、１７６……抜け止め
部、４５０……中空円筒状凸部（凸部）、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。 Figures 1 to 17 show a V-type chain belt for power transmission according to the first embodiment of the present invention, and Figure 1 shows a state in which the chain belt is stretched around one pulley. 2 is a cross-sectional view taken along the line - in FIG. 1, 3 is a perspective view of the main part of the chain belt, 4 is a front view of the central link, and 5 is a cross-sectional view of the chain belt. Side view of Fig. 4, No. 6
The figure is a front view of the links on both sides with the bushing fixed.
Figure 7 is a side view of Figure 6, Figure 8 is a front view of the links on both sides, Figure 9 is a side view of Figure 8, Figure 10 is a front view of the bushing, Figure 11 is the front view of Figure 10. A side view, FIG. 12 is a front view of the pin elements constituting the pin,
13 is a side view of FIG. 12, FIG. 14 is a front view of the V-shaped block, FIG. 15 is a side view of the V-shaped block, and FIG. 16 is an exploded perspective view of main parts showing the assembled state of the chain belt. Figure 17 is a diagram for explaining the action of the chain belt, Figure 18 and Figure 1.
Fig. 9 shows a V-shaped chain belt for power transmission according to a second embodiment of the present invention, Fig. 18 is a perspective view of the main parts of the chain belt, Fig. 19 is a perspective view of the V-shaped block, and Fig. 20 is a perspective view of the main part of the chain belt. The figure is a sectional view corresponding to FIG. 2 showing a V-type chain belt for power transmission according to a third embodiment of the present invention, and FIGS. 21 and 22 are V-type chain belts for power transmission according to a fourth embodiment of the present invention. 21 is a sectional view corresponding to FIG. 2, FIG. 22 is a perspective view of a V-shaped block, and FIGS. 23 to 25 are according to a fifth embodiment of the present invention. This shows a V-type chain belt for power transmission, and FIG. 23 is a sectional view corresponding to FIG. 2, and FIG. 24 is a cross-sectional view corresponding to FIG.
The figure is a front view of the links on both sides with integrally molded protrusions.
Fig. 25 is a side view of Fig. 24, Fig. 26 is a vertical cross-sectional view of essential parts 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. 27 is a conventional power transmission system. FIG. 2 is a schematic external view showing a state in which misalignment occurs between both pulleys in a continuously variable transmission using a V-type chain belt. Explanation of symbols, 3...Input pulley (V-type pulley)
, 4... Output pulley (V-type pulley), 10... V-type chain belt for power transmission, 20... Chain, 30... Center link, 31... Pin hole, 40
・400...Links on both sides, 50...Butsuyu (
convex portion), 51... pin hole, 60... pin, 61...
...Pin element, 70, 170, 270, 370, 4
70...V-shaped block, 71...Tapered surface, 72
・272...Columnar part on both sides, 73.373.47
3...Beam part, 74/274...Chain hole, 75
... Recessed part, 76 ... Pin groove, 176 ... Retaining part, 450 ... Hollow cylindrical convex part (convex part), C ...
Gap between V-shaped block and chain, δ...Maximum misalignment between input and output pulleys.

Claims

[Claims for Utility Model Registration] (1) A plurality of links having pin holes at both ends are stacked alternately, and pins are inserted into the pin holes of each link to connect them so that they can move jointly to form an endless shape. The chain is provided with a plurality of V-shaped blocks, each of which has a columnar section on both sides having a tapered surface that makes frictional contact with a pair of V-shaped pulleys, and a beam section that spans both columnar sections, and has a chain hole for accommodating the chain. In the attached V-shaped chain belt for power transmission, a convex portion protruding outward in the width direction is formed on the links on both sides located at the outermost side in the width direction of the chain, and the V-shaped block is formed between adjacent convex portions. A V-type chain belt for power transmission, characterized by rotatably arranged columnar parts. (2) The V-type chain belt for power transmission according to claim 1, wherein the convex portion of the link is located concentrically with at least one of the pin holes. (3) The power transmission device according to claim 2 of the utility model registration claim, wherein the convex portion of the link has a hollow cylindrical shape having a pin hole in the center thereof into which the pin is inserted. V-shaped chain belt. (4) The power transmission device according to claim 3 of the utility model registration claim, wherein the convex portion of the link is a bushing press-fitted into a bushing hole having a diameter larger than the pin hole formed in the link. V-shaped chain belt. (5) The V-type chain belt for power transmission according to claim 3, wherein the convex portion of the link is integrally formed with the link. (6) The V-type chain belt for power transmission according to claim 1, wherein the pin is a locking joint. (7) The V-shaped chain belt for power transmission according to claim 1, wherein two V-shaped blocks are arranged between the adjacent pins. (8) The V-shaped chain belt for power transmission according to claim 3, wherein the V-shaped block is characterized in that the columnar portion corresponding to the convex portion is a semi-cylindrical concave portion. . (9) The power transmission V according to claim 8, wherein the V-shaped block is provided with a semi-cylindrical pin groove penetrating into the concave portion of the one columnar portion. Type chain belt. (10) The V-shaped block is provided with a semi-cylindrical pin groove penetrating into the recess in one of the columnar parts, and a pin that can fit into the pin groove of the adjacent V-shaped block in the other columnar part. The V-type chain belt for power transmission according to claim 8, which is characterized by being provided with a retaining portion. (11) 11 The V-shaped block is provided with a columnar part at the center in the width direction, and has two chain holes between the center columnar part and the columnar parts on both sides,
The V-type chain belt for power transmission according to claim 3, wherein the pin has a three-point support structure. (12) 12 The power transmission device according to claim 3 of the utility model registration claim, wherein the V-shaped block has the beam portion only on either the inner circumferential side or the outer circumferential side. V-shaped chain belt. (13) The V-shaped block has a bent line on the front and rear surfaces in the belt traveling direction that is approximately on the same line as the pitch line of the chain, the outer circumferential side of the bent line is a parallel plane, and the inner circumferential side of the bent line is the tip. The V-type chain belt for power transmission according to claim 7, characterized in that the V-type chain belt for power transmission is formed with a tapered surface that becomes thinner as the plate thickness increases. (14) The V-shaped block is characterized in that a gap larger than the maximum misalignment between the V-shaped pulleys is set with respect to the chain, and the two are configured to be able to slide relative to each other in the width direction. A V-type chain belt for power transmission according to claim 1 of the utility model registration claim.