JPH0399231U

JPH0399231U -

Info

Publication number: JPH0399231U
Application number: JP11823090U
Authority: JP
Priority date: 1989-11-15
Filing date: 1990-11-09
Publication date: 1991-10-16
Anticipated expiration: 2005-11-09
Also published as: JP2506243Y2

Description

[Brief explanation of drawings]

第１図および第２図はこの考案による弾性カツ
プリングの第１の実施例を示し、第１図は第２図
の−線に沿つて見た縦断面図、第２図は第１
図の−線に沿つて見た横断面図、第３図はト
ランスミツシヨンとデフアレンシヤルとをプロペ
ラシヤフトで連結した状態を示す概略説明図、第
４図はこの考案による弾性カツプリングの第２の
実施例を示す断面図、第５図および第６図はこの
考案による弾性カツプリングの第３の実施例を示
し、第５図は第６図の−線に沿つて見た縦断
面図、第６図は第５図の−線に沿つて見た横
断面図、第７図〜第１０図はこの考案による弾性
カツプリングの第４の実施例を示し、第７図は左
側面図、第８図は右側面図、第９図は第１０図に
示すものの−線に沿つて見た横断面図、第１
０図は第８図の−線に沿つて見た縦断面図、
第１１図はこの考案による弾性カツプリングの第
５の実施例を示す縦断面図、第１２図はこの考案
による弾性カツプリングの第６の実施例を示す縦
断面図、第１３図はこの考案による弾性カツプリ
ングの第７の実施例を示す縦断面図、第１４図〜
第１６図はこの考案による弾性カツプリングの第
８の実施例を示し、第１４図は左側面図、第１５
図は右側面図、第１６図は第１５図に示すものの
−線に沿つて見た縦断面図、第１７図および
第１８図は第１４図〜第１６図に示す弾性カツプ
リングのゴムブツシユの他の実施例を示す説明図
、第１９図は弾性カツプリングが設けられていな
い状態のプロペラシヤフトとデフアレンシヤルと
の間の等価モデル図、第２０図および第２１図は
この考案による弾性カツプリングの第９の実施例
を示し、第２０図は全体を示す図、第２１図は第
２０図に示すものの部分拡大斜視図、第２２図お
よび第２３図は第２０図に示すゴムストツパーの
他の実施例を示す斜視図である。３０……プロペラシヤフト、３１……トランス
ミツシヨン、３２……デフアレンシヤル、３３，
３４……ユニバーサルジヨイント、１１１，１４
１，１７０……第１のフランジ、１１１ａ，１２
３，１２６ａ，１４１ａ，１５１ａ，１７０ａ，
１７６，１７８，１９２……孔、１１１ｂ，１１
７，１２６ｂ，１４１ｂ，１４７，１４８，１５
１，１７４，１７５，１８０ａ，１８７……突部
、１１２，１４２……第１のストツパー部、１１
３，１４３，１７３……第２のフランジ、１１４
，１４４……第２のストツパー部、１１５……ジ
ヤーナル軸受、１１６，１２６，１７２……スト
ツパー、１１６ａ，１４７ａ……ねじ穴、１１８
……潤滑材用の孔、１１９……潤滑材、１２０…
…蓋部材、１２１……給油用の孔、１２２，１５
０，１８９……凹溝、１２４……スリーブ、１２
５，１５２，１５５，２０５，１８１，１８３，
１８６，２１２，２１３，２１７，２１８……ゴ
ム性弾性部材、１２５ａ，１５７ａ，１５８ａ，
１５９ａ……突起、１２７，１２８……スラスト
軸受、１２９……押え板、１３０，１６０，２９
６……スナツプリング、１３１，１５８，１９４
……ウエーブワツシヤー、１４５，１７１……ゴ
ムブツシユ、１４６，２０１……ＤＵブツシユ、
１４９，１８８……キー溝、１５３，１７７……
凹所、１５４……内側スリーブ、１５６……外側
スリーブ、１５７，１９３……ＤＵスラストワツ
シヤー、１５９，１９５……ワツシヤー、１７９
，１８４……外缶、１８０，２１１，２１６……
内缶、１８２，２１４，２１５……ゴム部、１８
５……ストツパー部、１９０……突出部、１９１
……段部、２００……オイルシール、２２０……
ピン、２５０……ゴムストツパー、２５１……凹
凸。 1 and 2 show a first embodiment of the elastic coupling according to this invention, FIG. 1 is a longitudinal sectional view taken along the line - in FIG. 2, and FIG.
3 is a schematic explanatory diagram showing a state in which the transmission and differential are connected by a propeller shaft, and FIG. 4 is a cross-sectional view taken along the - line in the figure. 5 and 6 show a third embodiment of the elastic coupling according to the invention, FIG. 5 is a longitudinal sectional view taken along the line - in FIG. 6, and FIG. 6 is a cross-sectional view taken along line - in FIG. 5, FIGS. 7 to 10 show a fourth embodiment of the elastic coupling according to this invention, FIG. 7 is a left side view, and FIG. Figure 9 is a right side view, Figure 9 is a cross-sectional view taken along the - line of Figure 10;
Figure 0 is a longitudinal cross-sectional view taken along the - line in Figure 8;
FIG. 11 is a longitudinal sectional view showing a fifth embodiment of the elastic coupling according to this invention, FIG. 12 is a longitudinal sectional view showing a sixth embodiment of the elastic coupling according to this invention, and FIG. 13 is a longitudinal sectional view showing the elastic coupling according to this invention. Vertical sectional view showing the seventh embodiment of the coupling, FIG. 14~
Fig. 16 shows an eighth embodiment of the elastic coupling according to this invention, Fig. 14 is a left side view, and Fig. 15 is a left side view.
The figure is a right side view, FIG. 16 is a vertical cross-sectional view of the thing shown in FIG. 15, taken along the - line, and FIGS. 17 and 18 are the rubber bushings of the elastic coupling shown in FIGS. 14 to 16. 19 is an equivalent model diagram between a propeller shaft and a differential without an elastic coupling, and FIGS. 20 and 21 are diagrams showing an example of an elastic coupling according to this invention. FIG. 20 is a diagram showing the whole, FIG. 21 is a partially enlarged perspective view of the rubber stopper shown in FIG. 20, and FIGS. 22 and 23 are other embodiments of the rubber stopper shown in FIG. 20. FIG. 30...Propeller shaft, 31...Transmission, 32...Differential, 33,
34... Universal joint, 111, 14
1,170...first flange, 111a, 12
3, 126a, 141a, 151a, 170a,
176, 178, 192... hole, 111b, 11
7, 126b, 141b, 147, 148, 15
1,174,175,180a,187...Protrusion, 112,142...First stopper part, 11
3,143,173...second flange, 114
, 144... Second stopper part, 115... Journal bearing, 116, 126, 172... Stopper, 116a, 147a... Screw hole, 118
...Lubricant hole, 119...Lubricant, 120...
... Lid member, 121 ... Oil supply hole, 122, 15
0,189...Concave groove, 124...Sleeve, 12
5,152,155,205,181,183,
186, 212, 213, 217, 218...Rubber elastic member, 125a, 157a, 158a,
159a... Protrusion, 127, 128... Thrust bearing, 129... Holding plate, 130, 160, 29
6...Snat Spring, 131, 158, 194
...Wave washers, 145,171...Rubber buttons, 146,201...DU buttons,
149,188...Keyway, 153,177...
Recess, 154... Inner sleeve, 156... Outer sleeve, 157, 193... DU thrust washer, 159, 195... Washer, 179
,184... Outer can, 180,211,216...
Inner can, 182, 214, 215...Rubber part, 18
5...Stopper part, 190...Protrusion part, 191
...Stepped portion, 200...Oil seal, 220...
Pin, 250...Rubber stopper, 251...Irregularities.

Claims

[Scope of Claim for Utility Model Registration] (1) An elastic coupling provided between a differential and a propeller shaft of an automobile, etc., to integrally connect the two and absorb rotational fluctuations, the elastic coupling is connected to the propeller shaft side, rotates integrally with the propeller shaft, and is provided with a hole 111a that penetrates in the axial direction of the propeller shaft at the center of rotation, and further has a hole 111a that penetrates the propeller shaft in the axial direction of the propeller shaft at the periphery of the hole 111a. A first flange 11 provided with a protrusion 111b projecting in the axial direction, and provided with a plurality of stoppers 116 at predetermined intervals on the peripheral edge of one side surface to form a first stopper part 112.
1, which is connected to the differential side, rotates together with the differential, and has a hole 1 at the center of rotation of the first flange 111 at the center of rotation.
a second flange 113 having a protrusion 117 that fits into the second flange 11a; and an outer periphery of the protrusion 111b of the first flange 111, which is provided between the first flange 111 and the second flange 113; A sleeve 124 that fits into the surface and the second flange 1
13, and a second stopper 126 located between the stoppers 116 of the first stopper portion 112 is integrally connected by a rubber elastic member 125.
and the first flange 1.
11 and the second flange 113 and the thrust bearing 1
27,128. (2) A lubricant hole 118 for accommodating a lubricant 119 for lubricating the journal bearing 115 and the thrust bearings 127, 128 is provided in the protrusion 117 of the second flange 113. Elastic coupling. (3) The elastic coupling according to claim 1, wherein every other stopper 126 of the second stopper portion 114 is provided with rubber elastic members 125 on both sides thereof. (4) The elastic coupling according to claim 1, wherein the rubber elastic member 125 of the second stopper portion 114 is provided with a projection 125a that projects annularly in the axial direction of the propeller shaft. (5) By providing a wave washer 131 on the protrusion 117 of the second flange 113, the first flange 111 is connected to the second flange 1.
Claim 1, wherein the first flange 111 and the second flange 113 are pressed in the direction of 13, thereby creating hysteresis between the first flange 111 and the second flange 113 due to friction between the plates.
Elastic coupling as described. (6) An elastic coupling provided between a differential and a propeller shaft of an automobile, etc., to integrally connect the two and absorb rotational fluctuations, the elastic coupling being connected to the propeller shaft side. , which rotates integrally with the propeller shaft, and is provided with a hole 141a in the center of rotation that penetrates in the axial direction of the propeller shaft, and a protrusion 141b that protrudes in the axial direction of the propeller shaft at the peripheral edge of the hole 141a. is provided, and protrusions 147 are integrally provided at predetermined intervals surrounding the protrusion 141b to form a first stopper part 142.
41, a protrusion 148 is connected to the differential side, rotates together with the differential, and fits into the hole 141a of the first flange 141 at the center of rotation. 1
protrusions 151 at predetermined intervals surrounding 48.
and a second flange 143 integrally formed with a second stopper part 144, and an outer peripheral surface of the protrusion 141b of the first flange 141 and an inner surface of the second stopper part 144 of the second flange 143. a rubber bush 145 consisting of an inner sleeve 154 and an outer sleeve 156 of a rubber elastic member 155 provided between the rubber bush 145 and the first flange 1;
41 and the protrusion 148 of the second flange 143.
An elastic coupling characterized by comprising 6. (7) The elastic coupling according to claim 6, wherein a keyway 149 and a concave groove 150 are provided at the tip of the protrusion 148 of the second flange 143. (8) The protrusion 148 of the second flange 143 is provided with a DU thrust washer 157, a wave washer 158, and a washer 159, which are held together by a pin 220. Elastic coupling. (9) A keyway 149 is provided in the protrusion 148 of the second flange 143, and the protrusion 14
8 has protrusions 157a, 158a, 159 on the inner circumferential side.
7. The elastic coupling of claim 6, wherein a DU thrust washer 157, a wave washer 158 and a washer 159 are provided with their respective protrusions located within said keyway 149. (10) The elastic coupling according to claim 6, wherein the protrusion 148 of the second flange 143 is provided with a DU washer 157 and a washer 159 having a rubber elastic member 205 annularly vulcanized and bonded to at least one side surface. . (11) An elastic coupling provided between a differential and a propeller shaft of an automobile, etc., to integrally connect the two and absorb rotational fluctuations, the elastic coupling being connected to the propeller shaft side. , which rotates integrally with the propeller shaft, and is provided with a hole 170a in the center of rotation that penetrates in the axial direction of the propeller shaft, and further has a protrusion 174 protruding in the axial direction of the propeller shaft on the peripheral edge of the hole 170a. are provided, and circular protrusions 175 are provided at predetermined intervals surrounding the protrusion 174, and a circular protrusion 175 is provided at a central portion of the circular protrusion 175 and extends in the axial direction of the propeller shaft. The first flange 170 is connected to the differential side, rotates together with the differential, has a substantially cross shape, and has a first flange 170 provided with a hole 176 at the center of rotation. hole 170a
A second flange 173 is provided with a protrusion 187 that fits therein, and a hole 192 for bolt insertion is provided in the peripheral edge of the protrusion 187;
The hole 17 of the circular protrusion 175 of the flange 170 of
6; a stopper 172; and a DU bushing 201 and an oil seal 200 provided between the first flange 170 and the second flange 173. . (12) The rubber bushing 171 has a rubber portion 18 which is formed by vulcanizing and adhering a rubber elastic member 181 to the outer peripheral surface of an annular inner can 180 on the inside of an annular outer can 179.
12. The elastic coupling according to claim 11, wherein the rubber portion 182 and the outer can 179 are integrally connected by a rubber elastic member 183. (13) The stopper 172 has a stopper part 185 located inside the annular outer can 184, and the stopper part 185 and the outer can 1
12. The elastic coupling according to claim 11, wherein the elastic coupling 84 is integrally connected to the elastic member 84 by a rubber elastic member 186. (14) The rubber bushing 171 has a rubber portion 214 in which a rubber elastic member 212 is vulcanized and bonded to the entire outer peripheral surface of an inner can 211 having a substantially arc shape is located inside an annular outer can 179; 12. The elastic coupling according to claim 11, wherein the rubber portion 214 and the outer can 179 are integrally connected by a rubber elastic member 213. (15) The rubber bush 171 has a rubber portion 215 in which a rubber elastic member 217 is vulcanized and bonded to a part of the outer peripheral surface of an inner can 216 having a substantially arc shape is located inside an annular outer can 179. 12. The elastic coupling according to claim 11, wherein the rubber portion 215 and the outer can 179 are integrally connected by a rubber elastic member 218. (16) An elastic coupling provided between a differential and a propeller shaft of an automobile, etc., to integrally connect the two and absorb rotational fluctuations, the elastic coupling being connected to the propeller shaft side. , which rotates integrally with the propeller shaft, and is provided with a hole 141a in the center of rotation passing through in the axial direction of the propeller shaft, and further has a protrusion 141b protruding in the axial direction of the propeller shaft at the peripheral edge of the hole 141a. is provided, and protrusions 147 are integrally provided at predetermined intervals surrounding the protrusion 141b to form a first stopper part 142.
41, is connected to the differential side, rotates together with the differential, and is provided with a protrusion 148 at the center of rotation that fits into the hole 141a of the first flange 141; 1
protrusions 151 at predetermined intervals surrounding 48.
is provided to integrally form the second stopper portion 144, and at least one of the protrusions 151
a second flange 143 integrally provided with rubber stoppers 250 having unevenness 251 formed on the surface on both sides of the two protrusions 151;
A rubber bush 145 includes an inner sleeve 154, a rubber elastic member 155, and an outer sleeve 156, which are provided between the outer circumference of the first protrusion 141b and the inner circumference of the second stopper part 144 of the second flange 143. and the hole 141a of the first flange 141 and the protrusion 1 of the second flange 143.
48.