WO2019155604A1

WO2019155604A1 - Clutch device

Info

Publication number: WO2019155604A1
Application number: PCT/JP2018/004587
Authority: WO
Inventors: 栄弥大池; 忠彦加藤
Original assignee: 株式会社ユニバンス
Priority date: 2018-02-09
Filing date: 2018-02-09
Publication date: 2019-08-15
Also published as: JP7048645B2; JPWO2019155604A1

Abstract

Provided is a clutch device (10) whereby assembly workability can be improved. The clutch device (10) is provided with a first member (20), which has a first surface (24), and a second member (40), which has a second surface (42) facing the first surface (24) in the direction of an axis line (O), and a first hole (25) formed in the first surface (24) penetrates the clutch device. An engagement element (51) disposed on a third surface (27) of the first hole (25), said third surface facing the second member (40) side, engages with the first hole (25) and a second hole (43) of the second member (40) when torque is transmitted. The third member (60) covers the first hole (25), and a compression spring (50) is disposed between the engagement element (51) and a third member (60).

Description

Clutch device

The present invention relates to a clutch device that switches between transmission and interruption of torque.

A first member having a first surface intersecting the axis and rotating about the axis; a second member having a second surface facing the first surface in the direction of the axis; and rotating about the axis; There is known a clutch device including an engagement element interposed between a first surface of a member and a second surface of a second member (Patent Documents 1 and 2). In the techniques disclosed in Patent Documents 1 and 2, an engagement element is disposed in a depression formed on the first surface, and a compression spring is disposed between the bottom of the depression and the engagement element. When the engagement element moves to the second surface side by the elastic force of the compression spring and the engagement element engages with the first member and the second member, the clutch device transmits torque.

Japanese Patent No. 5145019 Japanese Patent No. 6209608

However, in the above prior art, when the clutch device is assembled, the elastic force of the compression spring arranged between the bottom of the recess of the first member and the engagement element is applied to the engagement element, and the engagement element is supported by the compression spring. Since it is in an unstable state, there is a problem that assembly workability is poor.

The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a clutch device that can improve assembly workability.

In order to achieve this object, the clutch device of the present invention switches between transmission and interruption of torque, and the first member that rotates about the axis has a first surface that intersects the axis, A first hole formed in the surface penetrates in the direction of the axis. The second member that rotates about the axis has a second surface that faces the first surface in the direction of the axis, and a second hole is formed in the second surface. The engagement element disposed on the third surface of the first member facing the second member side of the first hole engages with the first hole of the first member and the second hole of the second member when torque is transmitted, When the torque transmission is interrupted, the engagement with the second hole is released. The third member disposed on the surface opposite to the first surface of the first member closes the first hole, and the compression spring is disposed between the engagement member disposed in the first hole and the third member.

According to the clutch device of the first aspect, the first hole formed in the first surface of the first member penetrates in the direction of the axis, and the engagement element is formed on the third surface facing the second member side of the first hole. Be placed. Since the second member is arranged on the first surface side of the first member on which the engagement element is arranged and the compression spring is arranged in the first hole, the first hole can be closed by the third member. Assembly workability can be improved.

According to the clutch device of claim 2, the first member has a first plate portion having a first surface, and a second plate portion disposed on the third member side of the first plate portion and having a third surface. And. The 1st hole formed in the 1st surface penetrates the 1st board part, and the hole part which penetrates the 2nd board part in the direction of an axis continues to the 1st hole. Therefore, in addition to the effect of the first aspect, the first member can be easily processed.

According to the clutch device of the third aspect, the fastener coupled to the first member regulates the movement of the third member in the direction of the axis of the third member. Therefore, in addition to the effect of Claim 1 or 2, fixing of the 3rd member can be simplified.

According to the clutch device of the fourth aspect, the first member has the protrusion disposed radially outside the first hole, and the protrusion is positioned radially outside the third member. A fastener is disposed on the radially inner surface of the protrusion. Therefore, in addition to the effect of the third aspect, the fastener can be easily fixed to the first member.

It is sectional drawing of the clutch apparatus in 1st Embodiment. It is a rear view of the 2nd member. FIG. 3 is an exploded perspective view of a part of the clutch device. It is a front view of the 1st member by which the 3rd member is arranged. (A) is sectional drawing of the 1st member and 3rd member in the Va-Va line | wire of FIG. 4, (b) is sectional drawing of the 1st member and 3rd member in which the engagement element and the compression spring were arrange | positioned. . It is a front view of the 1st member by which an engagement child and a retainer are arranged. It is a partial exploded three-dimensional view of the clutch device in the second embodiment. It is sectional drawing of a 1st member, a 3rd member, and a fastener. It is a disassembled three-dimensional view of a part of the clutch device in the third embodiment. It is sectional drawing of a 1st member, a 3rd member, and a fastener. It is a partial exploded three-dimensional view of the clutch device in the fourth embodiment. It is sectional drawing of a 1st member, a 3rd member, and a fastener.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. First, a schematic configuration of the clutch device 10 will be described with reference to FIG. FIG. 1 is a cross-sectional view including an axis O of the clutch device 10 according to the first embodiment. The clutch device 10 includes a first member 20 and a second member 40 that rotate about an axis O. In the present embodiment, the input shaft 11 and the output shaft 12 are disposed on the same axis O, the first member 20 is coupled to the input shaft 11, and the second member 40 is coupled to the output shaft 12. The second member 40 is coupled to the output shaft 12 by a spline 41 formed on the inner periphery with the flat second surface 42 facing the first member 20 side.

The first member 20 includes a main body 21 formed in a disc shape centering on the axis O, and a cylindrical protrusion 23 disposed on the outer periphery of the main body 21. The protrusion 23 is formed integrally with the main body 21 and extends in the direction of the axis O opposite to the second member 40. The main body 21 is formed in a ring shape, and a spline 22 is formed on the inner peripheral surface of the main body 21.

The first member 20 has first holes 25 and 26 (see FIG. 4) formed in a flat first surface 24 that intersects the axis O (in the present embodiment, orthogonal to the axis O). The first surface 24 faces the second surface 42 of the second member 40 in the axis O direction. The

first holes

25 and 26 penetrate the main body 21 in the axis O direction. In the

first holes

25 and 26, third surfaces 27 and 28 (see FIG. 4) facing the second member 40 side are formed, respectively. A compression spring 50 is accommodated in the first hole 25, and a first engagement element 51 is disposed on the third surface 27.

FIG. 2 is a rear view of the second member 40. The second member 40 has a plurality of second holes 43 formed at intervals in the circumferential direction of the second surface 42. The 2nd hole 43 is a site | part which the 1st engaging element 51 (refer FIG. 1) and the 2nd engaging element 54 (refer FIG. 6) arrange | positioned at the 1st member 20 engage. In the second member 40, a ring groove 44 that connects the second hole 43 in the circumferential direction is formed in the second surface 42. The second member 40 has a plurality of pin holes 45 communicating with the bottom of the ring groove 44.

Referring back to FIG. The pin hole 45 opens on the surface opposite to the second surface 42 of the second member 40. A ring 46 is accommodated in the ring groove 44 (see FIG. 2), and a pin 47 is accommodated in the pin hole 45. The pin 47 transmits a force in the direction of the axis O of the actuator 49 to the ring 46 via an annular plate member 48 disposed around the output shaft 12. When the actuator 49 moves the ring 46 toward the first member 20, the first engaging element 51 and the second engaging element 54 (see FIG. 6) come into contact with the ring 46 and enter the second hole 43 of the second member 40. It becomes impossible to engage. Thereby, transmission of torque is interrupted.

The third member 60 is an annular member for closing the first holes 25 and 26 (see FIG. 4) formed in the first member 20 from the opposite side of the first surface 24. The third member 60 is disposed inside the protrusion 23 in the radial direction, and has an oil hole 61 penetrating in the direction of the axis O. A fastener 64 disposed in a groove 36 formed on the inner surface 35 of the protrusion 23 fixes the third member 60 in the direction of the axis O with respect to the first member 20. In this embodiment, the fastener 64 is a snap ring (for holes) (see FIG. 3).

3 is an exploded perspective view of a part of the clutch device 10, and FIG. 4 is a front view of the first member 20 on which the third member 60 is arranged. The first member 20 is coupled to the input shaft 11 (see FIG. 1) via a sleeve 55 that engages with the spline 22 formed on the inner periphery of the main body 21. The outer diameter of the sleeve 55 is smaller than the diameter of the inner peripheral surface 62 of the third member 60. A compression spring 50 and a first engagement element 51 are disposed in the first hole 25 of the first member 20, and the compression spring 50 and the second engagement element 54 (FIG. 6) are disposed in the first hole 26 of the first member 20. Are arranged). In the present embodiment, the compression spring 50 is a torsion coil spring. The first engagement element 51 includes a rectangular plate-like column 52 and arms 53 that protrude from both ends of the column 52 in the width direction of the column 52. The second engagement element 54 is the same component as the first engagement element 51 except that the circumferential direction arranged on the first member 20 is different from that of the first engagement element 51, and includes a column 52 and an arm 53. Yes.

As shown in FIG. 4, in the first member 20, the

first holes

25 and 26 having different circumferential lengths of the first member 20 are alternately arranged in the circumferential direction. The

first holes

25 and 26 are substantially rectangular when viewed from the direction of the axis O. In the

first holes

25 and 26,

third surfaces

27 and 28 facing the direction of the axis O are formed on the entire circumference of the holes. The length of the third surface 28 in the circumferential direction of the first member 20 is longer than the length of the third surface 27 in the circumferential direction of the first member 20. The first recess 29 is a recess that continues to the first hole 25 and extends to both sides in the radial direction. The first recess 30 is a recess that continues to the first hole 26 and extends to both sides in the radial direction.

The circumferential length of the first recess 30 is longer than the circumferential length of the first recess 29. The arm 53 of the first engagement element 51 (see FIG. 6) is disposed in the first recess 29, and the edge portion of the column 52 of the first engagement element 51 is disposed on the third surface 27. Similarly, the second engagement element 54 (see FIG. 6) is disposed in the first recess 30 and the third surface 28. Since the circumferential length of the first hole 26 and the first recess 30 is longer than the circumferential length of the second engagement element 54, the second engagement element 54 is in-plane with the first recess 30 and the third surface 28. Can slide.

The first member 20 has a second recess 31 formed in the first surface 24 that connects the

first holes

25 and 26 in the circumferential direction. The second recess 31 is an annular recess into which the ring 46 disposed in the second member 40 (see FIG. 1) enters. The first member 20 has a plurality of pin holes 32 penetrating in the direction of the axis O inside the second recess 31 in the radial direction. The pin hole 32 is a hole into which the pin 56 (see FIG. 3) is fitted. The pin 56 is fitted into the pin hole 63 penetrating the third member 60 together with the pin hole 32 of the first member 20 to restrict relative rotation of the third member 60 with respect to the first member 20. The third member 60 is fixed to the first member 20 such that the position of the oil hole 61 coincides with the positions of the

first holes

25 and 26. The size of the oil hole 61 is smaller than the size of the

first holes

25 and 26.

5A is a cross-sectional view of the first member 20 and the third member 60 taken along the line Va-Va of FIG. 4, and FIG. 5B is a first view in which the second engagement element 54 and the compression spring 50 are arranged. 4 is a cross-sectional view of a member 20 and a third member 60. FIG. The second engagement element 54 is disposed between the second surface 42 of the second member 40 (see FIG. 1) and the third surface 28 of the first member 20. The compression spring 50 is disposed between the second engagement element 54 and the third member 60, and applies an elastic force to the portion of the column 52 of the second engagement element 54 opposite to the arm 53 with the arm 53 as a fulcrum. Since the arm 53 is held by the second surface 42 of the second member 40, when the ring 46 is retracted toward the second member 40, the second engaging element 54 has a portion on the opposite side to the arm 53 of the support column 52 at the compression spring 50. Is raised to the second member 40 side by the spring force. The same applies to the first engagement element 51 (see FIG. 6).

Referring back to FIG. In the first member 20, a third recess 33 and a fourth recess 34 are formed inside the second recess 31 in the radial direction. The third recess 33 is a recess in which a retainer 65 (see FIG. 6) that restricts the rising of the first engagement element 51 is disposed. The 4th recessed part 34 is a hollow in which the compression spring (not shown) which urges | biases the retainer 65 to a 1st direction (arrow F direction) is arrange | positioned. The retainer 65 moves the third recess 33 in the circumferential direction.

FIG. 6 is a front view of the first member 20 in which the first engagement element 51, the second engagement element 54, and the retainer 65 are arranged. The retainer 65 urged in the first direction (arrow F direction) by the elastic force of the compression spring (not shown) slides the second engagement element 54 in the first direction (arrow F direction), and at the same time the first engagement. A part of the goblet 51 is covered. Accordingly, the retainer 65 prevents the first engaging element 51 from rising due to the elastic force of the compression spring 50 (see FIG. 3).

On the other hand, the second engagement element 54 can rise to the second member 40 side regardless of the position of the retainer 65. When the first member 20 rotates relative to the second member 40 in the first direction (arrow F direction) and the second engaging element 54 engages with the second hole 43 of the second member 40, The second member 40 rotates integrally with the second member 40 and transmits torque. If it does so, it will be pushed by the 2nd engagement element 54, and the retainer 65 will rotate to a 2nd direction (counter arrow F direction). As a result, the retainer 65 cannot cover the first engagement element 51, so that the first engagement element 51 can rise to the second member 40 (see FIG. 1) side by the elastic force of the compression spring 50 (see FIG. 3).

When the first member 20 is raised relative to the second member 40 in the second direction (counter arrow F direction), the first engaging member 51 that has risen toward the second member 40 side has a second hole 43 in the second member 40. Engage with. Thereby, the torque of the first member 20 that rotates relative to the second member 40 in the second direction (counter arrow F direction) can be transmitted to the second member 40.

In order to assemble the clutch device 10 including a two-way clutch, first, the first engagement element 51 is disposed on the third surface 27 of the first member 20, and the second engagement element 54 is disposed on the third surface 28. Next, the retainer 65 is disposed in the third recess 33 while a compression spring (not shown) is disposed in the fourth recess 34. Next, after inserting the ring 46 into the second recess 31, the second member 40 is disposed so as to abut the second surface 42 against the first surface 24 of the first member 20, and the ring groove 44 of the second member 40. The ring 46 is accommodated in the container. Next, after inserting the compression spring 50 into the

first holes

25 and 26 of the first member 20, the third member 60 is brought into contact with the first member 20, and the first engagement element 51, the second engagement element 54, The compression spring 50 is sandwiched between the three members 60. Finally, the fastener 64 is fitted into the groove 36 to fix the third member 60. As described above, after the first engaging element 51 and the second engaging element 54 are arranged on the

third surfaces

27 and 28, the compression spring 50 is arranged in the

first holes

25 and 26, and then the third member 60 is used to form the first hole. 25 and 26 can be closed.

Conventionally, since the third member is integrated with the first member (the first hole was a blind hole), when the clutch device is assembled, after the compression spring 50 is arranged at the bottom of the blind hole, the first member is engaged. When the combination 51 and the second engagement element 54 are arranged, the first engagement element 51 and the second engagement element 54 are floated by the elastic force of the compression spring 50. Since the retainer 65 and the ring 46 are disposed in such a state, the retainer 65 and the ring 46 are also in an unstable state in which they float. Therefore, there was a problem that assembly workability was poor.

On the other hand, according to the present embodiment, since the

first holes

25 and 26 penetrate, the clutch device 10 while preventing the first engagement element 51 and the second engagement element 54 from being in an unstable floating state. Can be assembled. Therefore, the assembly workability of the clutch device 10 can be improved. Moreover, since the 1st holes 25 and 26 of the 1st member 20 have penetrated the main body 21, compared with the case where a blind hole is provided in the 1st member, the 1st holes 25 and 26 are simply formed in the 1st member 20. it can.

Next, a second embodiment will be described with reference to FIGS. In 1st Embodiment, the case where the fastener 64 was attached to the groove | channel 36 of the protrusion 23 provided in the 1st member 20, and the 3rd member 60 was fixed was demonstrated. On the other hand, 2nd Embodiment demonstrates the case where the fastener 74 is attached to the groove | channel 73 of the outer periphery of the sleeve 72 attached to the 1st member 71, and the 3rd member 60 is fixed. In addition, about the part same as 1st Embodiment, the same code | symbol is attached | subjected and the following description is abbreviate | omitted.

7 is an exploded perspective view of a part of the clutch device 70 in the second embodiment, and FIG. 8 is a cross-sectional view including the first member 71, the third member 60, and the axis O of the fastener 74. The clutch device 70 includes a second member 40 that faces the first member 71 in the direction of the axis O, as in the first embodiment. In FIG. 8, illustration of one side with respect to the axis O and illustration of the second member 40 are omitted. In this embodiment, the fastener 74 is a snap ring (for shaft).

The first member 71 is coupled to the input shaft 11 (see FIG. 8) via a sleeve 72 that engages with the spline 22 formed on the inner periphery of the main body 21. The outer diameter of the sleeve 72 is smaller than the diameter of the inner peripheral surface 62 of the third member 60. A groove 73 extending in the circumferential direction is formed on the outer peripheral surface of the sleeve 72. With the third member 60 in close contact with the first member 71, the fastener 74 is fitted in the groove 73, and the fastener 74 is brought into contact with the third member 60, whereby the third member 60 is in contact with the first member 71. Is fixed. Since the protrusion 23 of the first member 20 (see FIG. 3) described in the first embodiment can be omitted, the first member 71 can be reduced in weight.

Next, a third embodiment will be described with reference to FIGS. In the third embodiment, a case will be described in which the first member 81 is divided into a first plate portion 82 and a second plate portion 86 with the

third surfaces

27 and 28 as a boundary. In addition, about the part same as 1st Embodiment, the same code | symbol is attached | subjected and the following description is abbreviate | omitted.

FIG. 9 is an exploded perspective view of a part of the clutch device 80 according to the third embodiment, and FIG. 10 is a cross-sectional view including the axis O of the first member 81, the third member 60, and the fastener 64. The clutch device 80 includes a second member 40 that faces the first member 81 in the direction of the axis O, as in the first embodiment. In FIG. 10, illustration of one side with respect to the axis O and illustration of the second member 40 are omitted.

The first member 81 includes a ring-shaped first plate portion 82 having the first surface 24 and a ring-shaped second plate portion 86 having the

third surfaces

27 and 28. In the first plate portion 82,

first holes

83 and 84 having different circumferential lengths of the first plate portion 82 are alternately arranged in the circumferential direction. The

first holes

83 and 84 penetrate the first plate portion 82 in the axis O direction. The

first holes

83 and 84 are substantially rectangular when viewed from the direction of the axis O.

The first plate portion 82 includes a first recess 29 continuous with the first hole 83, a first recess 30 continuous with the first hole 84, a second recess 31, a pin hole 32, a third recess 33, and a fourth recess 34. It is formed on one surface 24. The first recesses 29 and 30, the second recess 31, the pin hole 32, and the fourth recess 34 penetrate the first plate portion 82 in the direction of the axis O. The first hole 83 and the first recess 29 restrict the position of the first engagement element 51 disposed on the third surface 27. The first hole 84 and the first recess 30 regulate the position of the second engagement element 54 disposed on the third surface 28.

The second plate portion 86 is formed with a plurality of rectangular hole portions 87 as viewed from the direction of the axis O. The hole 87 penetrates the second plate part 86 in the direction of the axis O. The holes 87 are all the same size, and the size of the holes 87 is smaller than the size of the

first holes

83 and 84. When the pin 56 is fitted into the pin hole 32 penetrating the first plate portion 82 and the second plate portion 86 and the first plate portion 82 and the second plate portion 86 are integrated, the hole portion 87 becomes the first hole portion 87. The third surfaces 27 and 28 are provided inside the

first holes

83 and 84, respectively.

The second plate portion 86 is formed with

first recess portions

29, 30 and a fourth recess portion 34 respectively connected to the

first recess portions

29, 30 and the fourth recess portion 34 formed in the first plate portion 82. The compression spring 50 is accommodated in the hole 87. A protrusion 23 is disposed on the outer periphery of the second plate portion 86. Since the

first recesses

29 and 30 are also formed in the second plate portion 86, the arm 52 can be prevented from interfering with the second plate portion 86 when the first engagement element 51 and the second engagement element 54 swing. . Since the 4th recessed part 34 is also formed in the 2nd board part 86, the compression spring (not shown) which urges the retainer 65 (refer FIG. 6) can be easily accommodated in the 4th recessed part 34. FIG.

The first portion 90 of the sleeve 89 is press-fitted into the inner peripheral surface 85 of the first plate portion 82 and the inner peripheral surface 88 of the second plate portion 86. The sleeve 89 includes a cylindrical first portion 90 and a flange-shaped second portion 91 having an outer diameter larger than that of the first portion 90. The second part 91 is abutted against the first surface 24 of the first plate part 82. The first plate portion 82 and the second plate portion 86 are coupled to the input shaft 11 by a spline 92 formed on the inner periphery of the sleeve 89 engaging the input shaft 11 (see FIG. 10). The outer diameter of the first portion 90 is smaller than the diameter of the inner peripheral surface 62 of the third member 60. The fastener 64 is attached to a groove (not shown) formed on the inner surface of the protrusion 23, and fixes the third member 60 to the first member 81 in the axis O direction.

In the clutch device 80, the

first holes

83 and 84 are formed in the first plate portion 82, and the hole portions 87 connected to the

first holes

83 and 84 are formed in the second plate portion 86. And the shape of each of the holes 87 can be simplified. Since it is not necessary to provide the

first holes

83 and 84 with the step (the

third surfaces

27 and 28 in the first embodiment), the first member 81 is divided into the first plate portion 82 and the second plate portion 86. The first member 81 can be easily manufactured.

When the first engagement element 51 and the second engagement element 54 engage with the second member 40, a force is mainly applied to the first plate portion 82 (especially the edges of the

first holes

83 and 84 in the circumferential direction). The first plate portion 82 is required to have a certain degree of hardness. On the other hand, the required hardness of the second plate portion 86 is lower than that of the first plate portion 82. Therefore, by dividing the first member 81 into the first plate portion 82 and the second plate portion 86, the conditions for the heat treatment applied to the first plate portion 82 and the second plate portion 86 according to the required hardness. You can change the material.

Next, a fourth embodiment will be described with reference to FIG. 11 and FIG. In 3rd Embodiment, the case where the fastener 64 was attached to the protrusion 23 provided in the 1st member 81, and the 3rd member 60 was fixed was demonstrated. In contrast, in the fourth embodiment, a case will be described in which the fastener 74 is attached to the outer peripheral groove 104 of the sleeve 102 attached to the first member 101 and the third member 60 is fixed. In addition, about the part same as other embodiment, the same code | symbol is attached | subjected and the following description is abbreviate | omitted.

FIG. 11 is an exploded perspective view of a part of the clutch device 100 according to the fourth embodiment, and FIG. 12 is a cross-sectional view including the first member 101, the third member 60, and the axis O of the fastener 74. The clutch device 100 includes a second member 40 that faces the first member 101 in the axis O direction, as in the first embodiment. In FIG. 12, illustration of one side with the axis O as a boundary and illustration of the second member 40 are omitted.

The first member 101 including the first plate portion 82 and the second plate portion 86 is connected to the input shaft 11 via the sleeve 102 press-fitted into the inner

peripheral surfaces

85 and 88 of the first plate portion 82 and the second plate portion 86. (See FIG. 12). The outer diameter of the first portion 103 of the sleeve 102 is smaller than the diameter of the inner peripheral surface 62 of the third member 60. A groove 104 extending in the circumferential direction is formed on the outer peripheral surface of the first portion 103. With the third member 60 in close contact with the second plate portion 86, the fastener 74 is fitted into the groove 104, and the fastener 74 is brought into contact with the third member 60, thereby making the third member relative to the first member 101. 60 is fixed. Since the protrusion 23 of the first member 81 (see FIG. 9) described in the third embodiment can be omitted, the first member 101 can be reduced in weight.

The present invention has been described above based on the embodiments. However, the present invention is not limited to the above embodiments, and various improvements and modifications can be made without departing from the spirit of the present invention. It can be easily guessed. For example, the number and shape of the first engagement elements 51 and the second engagement elements 54 (engagement elements), and the number of the second holes 43 with which the engagement elements engage are exemplary, and can be set as appropriate.

In the embodiment, the case where the

first member

20, 71, 81, 101 is coupled to the input shaft 11 and the second member 40 is coupled to the output shaft 12 has been described. However, the present invention is not limited to this. On the contrary, it is naturally possible that the

first member

20, 71, 81, 101 is coupled to the output shaft 12 and the second member 40 is coupled to the input shaft 11.

In the embodiment, when the input shaft 11 and the output shaft 12 are respectively coupled to the centers of the

first members

20, 71, 81, 101 and the second member 40, that is, the axis O of the first member and the second member and the input shaft Although the case where the output axis coincides has been described, the present invention is not necessarily limited to this. For example, the first member or the second member supported by the shaft is provided with a tooth profile on the outer peripheral surface, and the first member that rotates around the shaft by meshing the tooth profile with a gear provided on the input shaft or the output shaft, It is naturally possible to transmit torque to the second member.

In the embodiment, the case where the

third surfaces

27 and 28 are provided in the entire circumference of the

first holes

25, 26, 83, and 84 has been described, but the present invention is not necessarily limited thereto. As long as the first engagement element 51 and the second engagement element 54 can be supported, the third surface may be at least part of the circumference of the

first holes

25, 26, 83, 84.

In the embodiment, the case where the third member 60 is fixed to the first member or the sleeve by the

fasteners

64 and 74 has been described, but the present invention is not necessarily limited thereto. It is naturally possible to fix the third member 60 to the first member or the sleeve by other means. Other means include means for fixing the third member by, for example, resistance welding or laser welding, and means for fixing the third member by plastic working a part of the first member, the third member, the sleeve, etc. Tightening) and the like.

In the embodiment, the case where a torsion coil spring is used as the compression spring 50 has been described, but the present invention is not necessarily limited thereto. Of course, other compression springs such as a compression coil spring can be used instead of the torsion coil spring.

In the embodiment, the case where the fasteners 64 and 74 (C-shaped retaining rings) are fitted in the

grooves

36, 73, and 104 has been described, but the present invention is not necessarily limited thereto. Of course, other fasteners can be employed. Examples of other fasteners include R-type retaining rings, E-shaped retaining rings, CS-type retaining rings that do not require groove processing, CR-shaped retaining rings, and speed nuts.

In the embodiment, the case of the

clutch devices

10, 70, 80, 100 in which the first engagement element 51 and the second engagement element 54 are arranged on the

first members

20, 71, 81, 101 to form a two-way clutch has been described. It is not necessarily limited to this. Of course, either the first engagement element 51 or the second engagement element 54 may be omitted, and the clutch device may be a one-way clutch that transmits rotation in one direction.

In the embodiment, the case where the retainer 65 that restricts the rising of the first engagement element 51 is disposed on the

first member

20, 71, 81, 101 has been described. Of course it is possible to do. When the retainer 65 is omitted, the circumferential lengths of the

first holes

26 and 84 are shortened so that the second engagement element 54 cannot slide in the

first holes

26 and 84. Furthermore, the 3rd recessed part 33 and the 4th recessed part 34 in which the retainer 65 enters can also be omitted.

In the embodiment, the case where the first engagement element 51 and the second engagement element 54 are pressed in the direction of the axis O through the ring 46 has been described, but the present invention is not necessarily limited thereto. The ring 46 is omitted, and the tip end shape of the pin 47 and the shapes of the first engagement element 51 and the second engagement element 54 are changed, so that the first engagement element 51 and the second engagement element 54 are connected to the axis O via the pin 47. It is of course possible to press in the direction.

In the embodiment, the case where the first engagement element 51 and the second engagement element 54 have the same shape has been described, but the present invention is not necessarily limited thereto. Of course, the length, width, and thickness of the first engagement element 51 and the second engagement element 54 can be different from each other.

In addition, each embodiment can be obtained by adding a part or a plurality of parts of the configuration of the other embodiments to the embodiment or by replacing a part or a plurality of parts of the configuration of the embodiment with each other. The embodiment may be modified and configured. For example, instead of the

sleeves

55 and 72 described in the first embodiment and the second embodiment, the

sleeves

89 and 102 described in the third embodiment and the fourth embodiment are coupled to the

first members

20 and 71. Of course it is possible.

10, 70, 80, 100

Clutch device

20, 71, 81, 101 First member 23 Projection 24

First surface

25, 26, 83, 84

First hole

27, 28 Third surface 40 Second member 42 Second surface 43 Second hole 50 Compression spring 51 First engagement element (engagement element)
54 Second engagement element (engagement element)
60

Third member

64, 74 Fastener 82 First plate portion 86 Second plate portion 87 Hole portion O Axis line

Claims

A clutch device that switches between transmission and interruption of torque,
A first member having a first surface intersecting the axis, wherein a first hole formed in the first surface penetrates in the direction of the axis and rotates around the axis;
A second member having a second surface facing the first surface in the direction of the axis, wherein a second hole is formed in the second surface and rotates about the axis;
It is disposed on the third surface of the first hole facing the second member, and engages with the first hole of the first member and the second hole of the second member when torque is transmitted. An engagement element that is disengaged from the second hole when transmission is interrupted;
A third member disposed on a surface opposite to the first surface of the first member and closing the first hole;
A clutch device comprising: a compression spring disposed between the engagement element disposed in the first hole and the third member.
The first member includes a first plate portion having the first surface, and a second plate portion disposed on the third member side of the first plate portion and having the third surface,
2. The clutch according to claim 1, wherein the first hole formed in the first surface penetrates the first plate portion, and the hole portion that penetrates the second plate portion in the direction of the axis is continuous with the first hole. apparatus.
A fastener coupled to the first member;
The clutch device according to claim 1 or 2, wherein the fastener restricts movement of the third member in the direction of the axis with respect to the first member.
The first member includes a protrusion disposed on the outer side in the radial direction than the first hole,
The protrusion is located on a radially outer side of the third member;
The clutch device according to claim 3, wherein the fastener is disposed on a radially inner surface of the protrusion.