JPS62140246U

JPS62140246U -

Info

Publication number: JPS62140246U
Application number: JP2882686U
Authority: JP
Priority date: 1986-02-27
Filing date: 1986-02-27
Publication date: 1987-09-04
Anticipated expiration: 2001-02-27
Also published as: JPH0533803Y2

Description

[Brief explanation of drawings]

第１図は、本考案の第１実施例に係る動力伝達
用無端ベルトにおける動力伝達用Ｖブロツクの側
面図、第２図は第１図に示された動力伝達用Ｖブ
ロツクの正面図、第３図は本考案による動力伝達
用無端ベルトが一つのプーリに掛け渡されている
部分を示す縦断面図、第４図は第３図の―線
に沿つた拡大断面図、第５図は第１図に示された
動力伝達用Ｖブロツクを示す斜視図、第６図は動
力伝達用無端ベルトの直線状に延在する部分の中
央断面（第４図の―線に沿つた断面）を拡大
して示す要部断面図、第７図は動力伝達用無端ベ
ルトのプーリに円弧状に巻き掛けられた部分にお
ける中央断面を拡大して示す要部断面図、第８図
は本考案の動力伝達用無端ベルトがプーリに巻き
掛けられた領域における無端キヤリアに作用する
曲げ応力を従来例とを比較して示す図、第９図は
本考案の第２実施例に係る動力伝達用無端ベルト
における動力伝達用Ｖブロツクの側面図、第１０
図は従来の動力伝達用無端ベルトを示す第６図に
相当する図、第１１図は従来の動力伝達用無端ベ
ルトを示す第７図に相当する図である。符号の説明、１……プーリ、２……Ｖ溝、１０
……動力伝達用無端ベルト、１１……無端キヤリ
ア、１２……動力伝達用Ｖブロツク、２０……端
面、２１……キヤリア係合面、２３……ベルト進
行方向前面、２４……突起、２５……ベルト進行
方向後面、２６……窪み、３４……突起の先端面
、３４ａ……平面部分、３４ｂ……円筒面部分、
３５……突起の外周側の面、３６……突起の内周
側の面（傾斜面）、３７……窪みの底面、３８…
…窪みの外周側の面、３９……窪みの内周側の面
（傾斜面）、α_１……突起の内周側の面（傾斜面
）と前面の垂直面とのなす角度、α_２……窪みの
内周側の面（傾斜面）と後面の垂直面とのなす角
度、ｈ_１……突起の高さ寸法、ｈ_２……窪みの深
さ寸法、ｔ_１……Ｖブロツクの外周側の板厚（柱
状部の板厚）、ｔ_２……Ｖブロツクの内周側の板
厚（板状部の板厚）。 1 is a side view of a V-block for power transmission in an endless belt for power transmission according to a first embodiment of the present invention, FIG. 2 is a front view of the V-block for power transmission shown in FIG. 1, and FIG. Figure 3 is a longitudinal cross-sectional view showing a portion of the endless belt for power transmission according to the present invention wrapped around one pulley, Figure 4 is an enlarged cross-sectional view taken along the - line in Figure 3, and Figure 5 is a cross-sectional view of the endless belt for power transmission according to the present invention. A perspective view showing the V-block for power transmission shown in Figure 1, and Figure 6 is an enlarged view of the central cross section of the linearly extending portion of the endless belt for power transmission (cross section taken along line - in Figure 4). Figure 7 is an enlarged cross-sectional view of the central part of the endless power transmission belt wound around the pulley in an arc shape, and Figure 8 is the power transmission of the present invention. A diagram showing the bending stress acting on the endless carrier in the region where the endless belt is wound around the pulley in comparison with a conventional example. Side view of transmission V-block, No. 10
The figure corresponds to FIG. 6 showing a conventional endless belt for power transmission, and FIG. 11 corresponds to FIG. 7 showing a conventional endless belt for power transmission. Explanation of symbols, 1...Pulley, 2...V groove, 10
... Endless belt for power transmission, 11 ... Endless carrier, 12 ... V block for power transmission, 20 ... End face, 21 ... Carrier engagement surface, 23 ... Front surface in the direction of belt movement, 24 ... Protrusion, 25 . . . Rear surface in the direction of belt movement, 26 . . . Recess, 34 .
35... Surface on the outer circumferential side of the protrusion, 36... Surface on the inner circumferential side (slanted surface) of the protrusion, 37... Bottom surface of the recess, 38...
...The outer circumferential surface of the recess, 39...The inner circumferential surface (slanted surface) of the recess, α ₁ ...The angle between the inner circumferential surface (slanted surface) of the protrusion and the vertical plane of the front surface, α ₂ ...Angle between the inner circumferential surface (slanted surface) of the recess and the vertical surface of the rear surface, h ₁ ...Height dimension of the projection, h ₂ ...Depth dimension of the recess, t ₁ ... of the V block Plate thickness on the outer peripheral side (thickness of the columnar part), t ₂ ...Plate thickness on the inner peripheral side of the V block (plate thickness of the plate-like part).

Claims

[Claims for Utility Model Registration] (1) An endless carrier stretched between pulleys having V grooves, and attached adjacent to each other so as to be slidable along the circumferential direction of this endless carrier, A plurality of V-blocks for power transmission are frictionally engaged with the V-groove and frictionally engaged with the endless carrier at the carrier engagement surface, and each of the V-blocks is provided on one of the front and rear surfaces in the belt traveling direction. The protrusion has a recess on the other surface, and in a region where the V block is wrapped around the pulley in an arc shape, the distal end surface of the protrusion and the recess are located at substantially the same radial position as the carrier engaging surface. In the endless belt for power transmission, the outer peripheral side surfaces of the protrusions and recesses in the V-block are perpendicular to the front and rear surfaces in the belt traveling direction, and the protrusions and recesses 1. An endless belt for power transmission, characterized in that an inner circumferential surface is an inclined surface with a recess side having a larger angle with respect to a vertical plane of the front and rear surfaces in the belt traveling direction than a protrusion side. (2) The height of the protrusion is set larger than the depth of the recess, and the tip surface of the protrusion is separated from a flat part on the outer peripheral side and a cylindrical part located on the inner peripheral side. The endless belt for power transmission according to claim 1, which has a continuous shape. (3) Utility model registration claim 1, characterized in that the protrusion is formed on the front surface in the belt traveling direction, and the depression is formed on the rear surface in the belt traveling direction.
Endless belt for power transmission as described in section. (4) The endless belt for power transmission according to claim 1, wherein the plate thickness of the V-block is thinner on the inner circumferential side than on the outer circumferential side, sandwiching the protrusions and depressions. (5) The endless belt for power transmission according to claim 4, wherein the front surface of the inner peripheral side of the V block in the belt traveling direction is shaved to reduce the plate thickness. (6) The endless belt for power transmission according to claim 4, wherein the inner circumferential rear surface of the V-block in the direction of belt movement is shaved to reduce the plate thickness.