JP2017211435A5 - - Google Patents
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- JP2017211435A5 JP2017211435A5 JP2016102870A JP2016102870A JP2017211435A5 JP 2017211435 A5 JP2017211435 A5 JP 2017211435A5 JP 2016102870 A JP2016102870 A JP 2016102870A JP 2016102870 A JP2016102870 A JP 2016102870A JP 2017211435 A5 JP2017211435 A5 JP 2017211435A5
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- JP
- Japan
- Prior art keywords
- drive transmission
- transmission device
- transmission member
- hole
- phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 claims 47
- 238000003780 insertion Methods 0.000 claims 13
- 230000002093 peripheral Effects 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000001808 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
- 230000003014 reinforcing Effects 0.000 claims 1
Claims (14)
前記第一駆動伝達部材の穴部に挿入される球状の第一挿入部、前記第二駆動伝達部材の穴部に挿入される球状の第二挿入部、および、前記第一挿入部と前記第二挿入部と繋ぐ連結部を有し、前記第一駆動伝達部材と前記第二駆動伝達部材とを連結する連結部材とを備え、
各挿入部の周面に径方向に突出する突起部を有し、
各駆動伝達部材の穴部の内周面に、前記連結部材の前記突起部が軸方向に移動可能な溝部を有する駆動伝達装置であって、
前記第二駆動伝達部材は、装置本体に対して着脱可能な回転体側に設けられており、
前記回転体が装置本体に装着された状態で、軸方向で前記連結部材を前記第一駆動伝達部材側へ移動させ、前記連結部材と前記第二駆動伝達部材との駆動連結を解除する解除機構を備え、
前記軸方向において、前記第一駆動伝達部材を挟んで前記第二駆動伝達部材配置側と反対側に前記解除機構の少なくとも一部を配置したことを特徴とする駆動伝達装置。 A first drive transmission member having a hole at the center of rotation; a second drive transmission member having a hole at the center of rotation;
A spherical first insertion part inserted into the hole of the first drive transmission member, a spherical second insertion part inserted into the hole of the second drive transmission member, and the first insertion part and the first A connecting portion that connects the two insertion portions, and includes a connecting member that connects the first drive transmission member and the second drive transmission member;
Protruding portions projecting radially on the peripheral surface of each insertion portion,
A drive transmission device having a groove portion on the inner peripheral surface of the hole portion of each drive transmission member, the projection of the connecting member being movable in the axial direction,
The second drive transmission member is provided on the side of the rotating body that can be attached to and detached from the apparatus body,
A release mechanism for releasing the drive connection between the connection member and the second drive transmission member by moving the connection member toward the first drive transmission member in the axial direction in a state where the rotating body is mounted on the apparatus main body. With
In the axial direction, at least a part of the release mechanism is disposed on the side opposite to the second drive transmission member arrangement side with the first drive transmission member interposed therebetween.
前記連結部材には、前記第一駆動伝達部材を貫通し前記解除機構と係合する係合部を備えることを特徴とする駆動伝達装置。 The drive transmission device according to claim 1,
The drive transmission device according to claim 1, wherein the coupling member includes an engaging portion that penetrates the first drive transmission member and engages with the release mechanism.
前記解除機構は、前記連結部材を前記第二駆動伝達部材側へ付勢する付勢手段と、
前記係合部と係合し、前記係合部を前記軸方向外側へ押し込む押し込み部材とを備えることを特徴とする駆動伝達装置。 The drive transmission device according to claim 2, wherein
The release mechanism includes a biasing unit that biases the connecting member toward the second drive transmission member,
A drive transmission device comprising: a pushing member that engages with the engaging portion and pushes the engaging portion outward in the axial direction.
前記押し込み部材は、前記軸方向と直交する方向にスライド移動可能に設けられ、
前記押し込み部材は、前記係合部との係合し、自らのスライド移動方向において、第一駆動伝達部材から徐々に離間するような傾斜部を備えることを特徴とする駆動伝達装置。 In the drive transmission device according to claim 3,
The push-in member is slidably provided in a direction orthogonal to the axial direction,
The drive transmission device according to claim 1, wherein the push-in member includes an inclined portion that engages with the engagement portion and gradually separates from the first drive transmission member in its own sliding movement direction.
軸方向をＸ方向、前記Ｘ方向に直交する方向のうちある特定の方向をＹ方向、前記Ｘ方向および前記Ｙ方向いずれにも直交する方向をＺ方向としたとき、
各挿入部を、球のＸ方向と直交する大円部分と、球のＹ方向と直交する大円部分と、球のＺ方向と直交する大円部分とを残して肉抜きした球形状としたことを特徴とする駆動伝達装置。 The drive transmission device according to any one of claims 1 to 4,
When the axial direction is the X direction, the specific direction among the directions orthogonal to the X direction is the Y direction, and the direction orthogonal to both the X direction and the Y direction is the Z direction,
Each insertion portion has a spherical shape with a large circle portion orthogonal to the X direction of the sphere, a large circle portion orthogonal to the Y direction of the sphere, and a large circle portion orthogonal to the Z direction of the sphere. A drive transmission device characterized by that.
前記連結部を、前記Ｙ方向に延びる直線部分と前記Ｚ方向に延びる直線部分とからなる断面十字形状の肉抜き部と、断面矩形状の補強部とが、前記Ｘ方向に交互に形成された形状にしたことを特徴とする駆動伝達装置。 The drive transmission device according to claim 5, wherein
In the connecting portion, cross-sectionally cross-shaped hollow portions composed of linear portions extending in the Y direction and linear portions extending in the Z direction, and reinforcing portions having a rectangular cross section are alternately formed in the X direction. A drive transmission device characterized by having a shape.
前記第一駆動伝達部材と、前記第二駆動伝達部材との回転方向の位相を合わせる位相合わせ手段を有することを特徴とする駆動伝達装置。 The drive transmission device according to any one of claims 1 to 6,
A drive transmission device comprising phase adjusting means for adjusting a phase in a rotational direction between the first drive transmission member and the second drive transmission member.
前記位相合わせ手段は、前記連結部材と前記第一駆動伝達部材との回転方向の位相を合わせる第一位相合わせ部と、前記連結部材と前記第二駆動伝達部材との位相を合わせる第二位相合わせ部とを有することを特徴とする駆動伝達装置。 The drive transmission device according to claim 7, wherein
The phase adjusting means includes a first phase adjusting unit that adjusts the phase in the rotational direction of the connection member and the first drive transmission member, and a second phase adjustment that adjusts the phase of the connection member and the second drive transmission member. And a drive transmission device.
前記第一位相合わせ部および前記第二位相合わせ部の少なくとも一方は、挿入部の周面から径方向に突出する位相合わせ用突起部と、前記位相合わせ用突起部を有する挿入部が挿入される駆動伝達部材の穴部に、その挿入部を前記穴部に挿入するときに前記位相合わせ用突起部が挿入される位相合わせ用溝部とで構成され、
前記位相合わせ用突起部の形状を前記突起部の形状と異ならせ、前記位相合わせ用溝部の形状を、挿入部が前記穴部に挿入するときに前記突起部が挿入される溝部の形状と異ならせて、前記位相合わせ用突起部を、前記位相合わせ用溝部にのみ挿入可能な構成としたことを特徴とする駆動伝達装置。 The drive transmission device according to claim 8, wherein
At least one of the first phase matching portion and the second phase matching portion is inserted with a phase matching projection that protrudes in the radial direction from the circumferential surface of the insertion portion and an insertion portion having the phase matching projection. The hole portion of the drive transmission member is configured with a phase matching groove portion into which the phase matching projection portion is inserted when the insertion portion is inserted into the hole portion,
The shape of the phase adjustment projections made different from the shape of the protrusions, the shape of the groove for the phase adjustment, the insertion portion is different from the groove shape wherein projections are inserted when inserted into the hole so, the drive transmission device, characterized in that said phase adjustment projections, and only insertable configured groove for the phase adjustment.
前記第一位相合わせ部および前記第二位相合わせ部の少なくとも一方を、前記穴部の底面の回転中心に対してずれた位置に設けた軸方向に突出する凸形状部と、挿入部をこの穴部に挿入したときに前記凸形状部と非接触となるように挿入部に形成された切り欠き部とで構成したことを特徴とする駆動伝達装置。 The drive transmission device according to claim 8 or 9,
At least one of the first phase matching portion and the second phase matching portion is provided in a projecting shape portion protruding in the axial direction provided at a position shifted from the rotation center of the bottom surface of the hole portion, and the insertion portion is formed in this hole A drive transmission device comprising: a notch portion formed in the insertion portion so as not to contact the convex shape portion when inserted into the portion.
前記第一駆動伝達部材の溝部には、前記突起部が溝部から抜けるのを止める抜け止め部を有し、
前記第一駆動伝達部材の穴部には、溝部の形成位置とは、回転方向で異なる位置に開口を有し、軸方向に延びて前記第一挿入部を穴部に挿入するときに、突起部を穴部内部へ案内する案内溝部と、該案内溝部と前記溝部とを連通する連通部とを有することを特徴とする駆動伝達装置。 The drive transmission device according to any one of claims 1 to 10,
The groove portion of the first drive transmission member has a retaining portion that stops the protruding portion from coming out of the groove portion,
The hole portion of the first drive transmission member has an opening at a position different from the formation position of the groove portion in the rotation direction, and extends in the axial direction to protrude when the first insertion portion is inserted into the hole portion. A drive transmission device, comprising: a guide groove portion that guides the portion into the hole portion; and a communication portion that communicates the guide groove portion with the groove portion.
前記突起部の駆動伝達時に溝部と当接する溝部当接箇所が、回転方向に突出し、かつ、径方向に真直ぐ延びる形状としたことを特徴とする駆動伝達装置。 The drive transmission device according to any one of claims 1 to 11,
A drive transmission device characterized in that a groove contact portion that contacts the groove portion during driving transmission of the protrusion protrudes in the rotational direction and extends straight in the radial direction.
前記回転体は、前記回転体の軸に対して直交する方向に着脱可能に構成されていることを特徴とする画像形成装置。 The image forming apparatus according to claim 13.
The image forming apparatus, wherein the rotating body is configured to be detachable in a direction perpendicular to the axis of the rotating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016102870A JP6653082B2 (en) | 2016-05-23 | 2016-05-23 | Drive transmission device and image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016102870A JP6653082B2 (en) | 2016-05-23 | 2016-05-23 | Drive transmission device and image forming apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017211435A JP2017211435A (en) | 2017-11-30 |
| JP2017211435A5 true JP2017211435A5 (en) | 2019-03-28 |
| JP6653082B2 JP6653082B2 (en) | 2020-02-26 |
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ID=60475541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016102870A Active JP6653082B2 (en) | 2016-05-23 | 2016-05-23 | Drive transmission device and image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6653082B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116184784A (en) | 2017-12-13 | 2023-05-30 | 佳能株式会社 | Cartridge and image forming apparatus |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11327060A (en) * | 1998-05-13 | 1999-11-26 | Fuji Photo Optical Co Ltd | Driving shaft structure for image reader |
| JP2006337876A (en) * | 2005-06-03 | 2006-12-14 | Canon Inc | Image forming device |
| KR101305527B1 (en) * | 2006-11-22 | 2013-09-05 | 삼성전자주식회사 | Image forming apparatus and power transmitting apparatus therefor |
| JP4979839B2 (en) * | 2007-10-30 | 2012-07-18 | キヤノン株式会社 | Drive transmission device and image forming apparatus |
| JP5944019B2 (en) * | 2010-02-02 | 2016-07-05 | キヤノン株式会社 | Drum unit |
| JP5978756B2 (en) * | 2012-05-17 | 2016-08-24 | 富士ゼロックス株式会社 | Support mechanism and image forming apparatus |
| JP5928887B2 (en) * | 2012-05-30 | 2016-06-01 | 富士ゼロックス株式会社 | Structure and image forming apparatus |
| JP2014191025A (en) * | 2013-03-26 | 2014-10-06 | Mitsubishi Chemicals Corp | Bearing member, end part member, photosensitive drum unit, and process cartridge |
| JP2016045375A (en) * | 2014-08-22 | 2016-04-04 | ブラザー工業株式会社 | Image forming apparatus |
-
2016
- 2016-05-23 JP JP2016102870A patent/JP6653082B2/en active Active
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