CN113323970A - Clutch separating device with adjusting and positioning structure - Google Patents
Clutch separating device with adjusting and positioning structure Download PDFInfo
- Publication number
- CN113323970A CN113323970A CN202110706365.6A CN202110706365A CN113323970A CN 113323970 A CN113323970 A CN 113323970A CN 202110706365 A CN202110706365 A CN 202110706365A CN 113323970 A CN113323970 A CN 113323970A
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- CN
- China
- Prior art keywords
- bearing
- positioning
- roller
- shifting fork
- clutch release
- 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.)
- Pending
Links
- 238000000926 separation method Methods 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000005096 rolling process Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 125000006850 spacer group Chemical group 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
- F16D2023/141—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings characterised by using a fork; Details of forks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses a clutch release device with an adjusting and positioning structure, which comprises a release shift fork and a release bearing, wherein the release bearing and the release shift fork are reserved on the main structure, a shift fork positioning surface is arranged on the release shift fork, and the shift fork positioning surface and the bearing positioning surface are oppositely arranged. The structure not only keeps the rolling friction advantage of the separation roller in the original structure, but also optimizes the positioning of the separation bearing and avoids the eccentric wear and clamping stagnation of the separation roller in the working process. The advantage of rolling friction of the separation roller is kept on the original structure, and meanwhile, the positioning of the separation bearing is optimized, so that the problem that the separation roller is eccentrically worn and clamped in the working process is solved.
Description
Technical Field
The invention belongs to the technical field of clutches, and particularly relates to a clutch separating device with an adjusting and positioning structure.
Background
With the continuous development of the automobile industry and the intensification of market competition, the requirements of users on the reliability and safety of the whole automobile are higher and higher. The clutch release performance is particularly important. Poor separation performance can cause reduction of user experience, and negative effects are brought to the whole vehicle and related parts.
The separation device of the basic S-series transmission adopts a separation shifting fork with a roller structure, a separation roller is fixed on the shifting fork through a pin shaft, a transition spacer bush is arranged between the separation roller and the pin shaft, the material of the transition spacer bush is PA46, the transition spacer bush is 0.5mm higher than that of the separation roller, the transition spacer bush plays a role in positioning and lubricating, the device optimizes the sliding friction between the shifting fork and a separation bearing into rolling friction, and optimizes the separation state; however, the transition spacer made of PA46 is used as a positioning release bearing, and during operation, it often causes eccentric wear and jamming failure.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a clutch separating device with an adjusting and positioning structure, so as to solve the problem that a separating roller is worn and stuck eccentrically in the working process in the prior art. In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a clutch release device with an adjusting and positioning structure comprises a release fork and a release bearing;
the separating bearing is provided with a rear part, the rear end surface of the rear part is provided with block-shaped bulges protruding towards two sides, the outer end surfaces of the block-shaped bulges are bearing positioning surfaces, and the bearing positioning surfaces are planes;
the separation shifting fork comprises a body, the upper end of the body is integrally connected with two symmetrical bearing parts, and the rear part is inserted between the two bearing parts;
the upper part of the inner surface of each bearing part is provided with a shifting fork positioning surface which is a plane, and one shifting fork positioning surface and one bearing positioning surface are oppositely arranged;
the upper part of the inner surface of each bearing part is rotatably connected with a roller wheel which is arranged in front of the shifting fork positioning surface.
The invention is further improved in that:
preferably, the front part is a front part, and the front part and the rear part are integrally connected.
Preferably, the front wall surface of the block-shaped protrusion is a working surface, and the working surface is a plane.
Preferably, the working surface is in surface contact with a side wall of the roller.
Preferably, the two side walls of the rear portion are circular arc curved surfaces, and the two side walls are mirror images relative to the central plane of the release bearing.
Preferably, the upper side wall and the lower side wall of the rear part are circular arc curved surfaces.
Preferably, a shaft bearing cover is attached to the rear portion.
Preferably, a gap is arranged between the shifting fork positioning surface and the bearing positioning surface.
Preferably, a gap is provided between the roller end surface of the roller and the side wall surface of the rear portion.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses a clutch release device with an adjusting and positioning structure, which comprises a release shift fork and a release bearing, wherein the release bearing and the release shift fork are reserved on the main structure, a shift fork positioning surface is arranged on the release shift fork, and the shift fork positioning surface and the bearing positioning surface are oppositely arranged. The structure not only keeps the rolling friction advantage of the separation roller in the original structure, but also optimizes the positioning of the separation bearing and avoids the eccentric wear and clamping stagnation of the separation roller in the working process. The advantage of rolling friction of the separation roller is kept on the original structure, and meanwhile, the positioning of the separation bearing is optimized, so that the problem that the separation roller is eccentrically worn and clamped in the working process is solved.
Furthermore, the release bearing is divided into two parts, which are respectively used for connecting and matching with the release fork.
Furthermore, the working surface is a plane, and the working surface is matched with the side wall surface of the roller to finish axial pushing.
Furthermore, four wall surfaces of the rear part of the whole release bearing are cambered surfaces, and the four wall surfaces are symmetrical in pairs, so that the release bearing can be directly used without additional processing in the use process.
Drawings
FIG. 1 is a schematic view of a separation apparatus of the primordial type; (a) the figure is a front view; (b) FIG. is a top view;
FIG. 2 is a schematic three-dimensional structure of a release bearing according to the present invention;
FIG. 3 is a schematic view of a three-dimensional structure of a release fork according to the present invention;
FIG. 4 is a schematic view of the separating apparatus of the present invention; (a) the figure is a front view; (b) the figure is a top view.
Wherein: 1-disengaging the shifting fork; 2-a shaft bearing cap; 3-a first separation roller; 4-second separation roller; 5-separating the bearing; 1-1-bulk; 1-2-a bolster; 1-3-rollers; 1-2-1-shifting fork positioning surface; 1-3-1-roller end face; 5-1-anterior moiety; 5-2-posterior; 5-3-block-shaped bulges; 5-2-1-side wall face; 5-3-1-working surface; 5-3-2-bearing positioning surface.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and encompass, for example, both fixed and removable connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The basic type separating device with the existing structure is shown in figure 1, a separating bearing 5 is installed on a shaft bearing cover 2, a first separating roller 3 and a second separating roller 4 are arranged on a separating shifting fork 1, the two separating rollers are symmetrical about the central line of the separating shifting fork 1, the cylindrical surfaces of the first separating roller 3 and the second separating roller 4 act on the working surface of the separating bearing 5 during working, the separating bearing 5 is pulled to enable the separating bearing 5 to move axially towards the direction of a speed changer, the end surfaces of the first separating roller 3 and the second separating roller 4 are positioned left and right, and radial movement of a separating bearing shell is prevented, but the end surfaces of the first separating roller 3 and the second separating roller 4 are made of PA46, the hardness is low, and the problem of clamping stagnation caused by eccentric abrasion with the separating bearing 5 often occurs.
The invention discloses a clutch separating device with an adjusting and positioning structure, which comprises a separating bearing 5 and a separating shifting fork 1, and referring to fig. 2, the separating bearing 2 is divided into a front part 5-1 and a rear part 5-2 which are integrally connected, the front part 5-1 is connected with an engine, and the rear end surface of the rear part 5-2 is connected with a shaft bearing cover 2. Four wall surfaces of the rear part 5-2 are curved surfaces, and every two opposite wall surfaces are in mirror symmetry, more specifically, the upper wall surface and the lower wall surface are in mirror symmetry and are arc curved surfaces; the two side wall surfaces 5-2-1 are radially symmetrical and are arc curved surfaces; the diameter of the posterior portion 5-2 is smaller than the diameter of the anterior portion 5-1. The rear end face of the rear part 5-2 is provided with block-shaped bulges 5-3 which are respectively protruded towards two sides, the two block-shaped bulges 5-3 are symmetrical relative to the vertical central plane of the release bearing 2, the front end face of each block-shaped bulge 5-3 is a working face 5-3-1, the outer end face of each block-shaped bulge 5-3 is a bearing positioning face 5-3-2, and the working face 5-3-1 and the bearing positioning face 5-3-2 are planes.
Referring to fig. 3, the release fork 1 is divided into a body 1-1 and two receiving parts 1-2, and the upper end of the body 1-1 is integrally connected with the bottom ends of the two receiving parts 1-2. The upper parts of the two bearing parts 1-2 are provided with planes which are shifting fork positioning planes 1-2-1, the front parts of the shifting fork positioning planes 1-2-1 are connected with rollers 1-3, the outer end surfaces of the rollers 1-3 are roller end surfaces 1-3-1, and the rollers 1-3 can rotate relative to the upper parts of the separation shifting forks 1. The upper parts of the two bearing parts 1-2 are respectively connected with a first separation roller 3 and a second separation roller 4 in a rotating way. The structure increases the area of the mounting surfaces of the first separation roller 3 and the second separation roller 4 on the separation shifting fork 1, the first separation roller 3 and the second separation roller 4 are mounted in front of the separation shifting fork 1 (towards the front of the engine end and towards the back of the transmission end), and a part of shifting fork positioning surface 1-2-1 is reserved behind the separation shifting fork for positioning the separation bearing 5.
The working principle of the separating device of the invention is shown in figure 4, a separating bearing 5 is arranged on a shaft bearing cover 2, a first separating roller 3 and a second separating roller 4 are respectively arranged on two bearing parts 1-2 of a separating shifting fork 1 and are symmetrical left and right, the cylindrical surfaces of the first separating roller 3 and the second separating roller 4 act on a working surface 5-3-1 of the separating bearing 5 when in work, the separating bearing 5 is pulled to enable the separating bearing 5 to move axially towards the direction of a speed changer, the shifting fork positioning surface 1-2-1 on the separating shifting fork 1 is positioned to be contacted with a bearing positioning surface 5-3-2 on the separating bearing 5 so as to limit the radial movement of the separating bearing, thus the first separating roller 3 and the second separating roller 4 only push the separating bearing 5 in the rolling process, the first separating roller 3 and the second separating roller 4 do not play a positioning role in the working process, since the bearing does not contact the release bearing 5, the problem of eccentric wear and seizure does not occur.
Examples
The invention distributes the positioning and stress of a release bearing 5 on different parts (a release fork 1, a first release roller 3 and a second release roller 4), the left-right spacing of the positioning surface of the release bearing 5 is 115.6mm (0-0.3), the left-right spacing of the positioning surface of the release fork 1 is 116.2mm (+0.2,0), and specifically, the clearance between one fork positioning surface 1-2-1 and one bearing positioning surface 5-3-2 is 0.3-0.555 mm; the diameter of the arc curved surface of the separation bearing 5 is phi 85.57mm, the distance between the first separation roller 3 and the second separation roller 4 is 88.2 +/-0.2 mm, and the gap between one roller end surface 1-3-1 and the corresponding side wall surface 5-2-1 is 1.215-1.415 mm, so that the separation bearing 5 can be effectively prevented from contacting the first separation roller 3 and the second separation roller 4 within a limited radial motion range, and the problem of end surface abrasion of the first separation roller 3 and the second separation roller 4 is solved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The clutch release device with the adjusting and positioning structure is characterized by comprising a release shifting fork (1) and a release bearing (5);
the release bearing (5) is provided with a rear part (5-2), the rear end face of the rear part (5-2) is provided with block-shaped bulges (5-3) protruding towards two sides, the outer end face of each block-shaped bulge (5-3) is a bearing positioning face (5-3-2), and each bearing positioning face (5-3-2) is a plane;
the separation shifting fork (1) comprises a body (1-1), the upper end of the body (1-1) is integrally connected with two symmetrical bearing parts (1-2), and the rear part (5-2) is inserted between the two bearing parts (1-2);
the upper part of the inner surface of each bearing part (1-2) is provided with a shifting fork positioning surface (1-2-1), the shifting fork positioning surface (1-2-1) is a plane, and one shifting fork positioning surface (1-2-1) and one bearing positioning surface (5-3-2) are oppositely arranged;
the upper part of the inner surface of each bearing part (1-2) is rotatably connected with a roller (1-3), and the roller is arranged in front of the shifting fork positioning surface (1-2-1).
2. The adjustable detent clutch release apparatus according to claim 1, wherein the rear portion (5-2) is preceded by a front portion (5-1), and the front portion (5-1) and the rear portion (5-2) are integrally connected.
3. The clutch release device with the adjustable positioning structure as claimed in claim 1, wherein the front wall surface of the block-shaped protrusion (5-3) is a working surface (5-3-1), and the working surface (5-3-1) is a plane.
4. A adjustably positionable structural clutch release apparatus according to claim 3, wherein the working surface (5-3-1) is in surface contact with a side wall of the roller (1-3).
5. The adjustable detent clutch release apparatus according to claim 1, wherein the two side walls of the rear portion (5-2) are curved in a circular arc, and are mirror-symmetrical with respect to a center plane of the release bearing (5).
6. The adjustable detent clutch release apparatus of claim 1, wherein the upper and lower sidewalls of the rear portion (5-2) are curved.
7. An adjustable detent clutch release device according to claim 1, characterized in that a shaft bearing cap (2) is attached to the rear part (5-2).
8. The adjustable detent clutch release apparatus according to claim 1, wherein a gap is provided between the fork detent surface (1-2-1) and the bearing detent surface (5-3-2).
9. The adjustable detent mechanism clutch release apparatus according to claim 1, wherein a gap is provided between the roller end surface (1-3-1) of the roller (1-3) and the side wall surface (5-2-1) of the rear portion (5-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110706365.6A CN113323970A (en) | 2021-06-24 | 2021-06-24 | Clutch separating device with adjusting and positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110706365.6A CN113323970A (en) | 2021-06-24 | 2021-06-24 | Clutch separating device with adjusting and positioning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113323970A true CN113323970A (en) | 2021-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110706365.6A Pending CN113323970A (en) | 2021-06-24 | 2021-06-24 | Clutch separating device with adjusting and positioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113323970A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0550158U (en) * | 1991-12-06 | 1993-07-02 | いすゞ自動車株式会社 | Clutch device |
| US6102181A (en) * | 1997-07-01 | 2000-08-15 | Eaton Corporation | Clutch with roller fork |
| US20030213671A1 (en) * | 2002-05-17 | 2003-11-20 | Depiazza David R. | Lube free clutch sleeve |
| JP2008169878A (en) * | 2007-01-10 | 2008-07-24 | Hino Motors Ltd | Clutch release mechanism |
| CN204985403U (en) * | 2015-09-30 | 2016-01-20 | 安徽江淮汽车股份有限公司 | Car separation and reunion system and clutch release mechanism thereof |
| CN206770443U (en) * | 2017-06-12 | 2017-12-19 | 韶关市焬控传动科技有限公司 | A kind of disengaging yoke |
| CN211059341U (en) * | 2019-09-26 | 2020-07-21 | 陕西法士特齿轮有限责任公司 | A lubricated isolating construction in area for connecting plate formula derailleur |
| CN113153928A (en) * | 2021-03-25 | 2021-07-23 | 东风商用车有限公司 | Clutch release fork assembly |
-
2021
- 2021-06-24 CN CN202110706365.6A patent/CN113323970A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0550158U (en) * | 1991-12-06 | 1993-07-02 | いすゞ自動車株式会社 | Clutch device |
| US6102181A (en) * | 1997-07-01 | 2000-08-15 | Eaton Corporation | Clutch with roller fork |
| US20030213671A1 (en) * | 2002-05-17 | 2003-11-20 | Depiazza David R. | Lube free clutch sleeve |
| JP2008169878A (en) * | 2007-01-10 | 2008-07-24 | Hino Motors Ltd | Clutch release mechanism |
| CN204985403U (en) * | 2015-09-30 | 2016-01-20 | 安徽江淮汽车股份有限公司 | Car separation and reunion system and clutch release mechanism thereof |
| CN206770443U (en) * | 2017-06-12 | 2017-12-19 | 韶关市焬控传动科技有限公司 | A kind of disengaging yoke |
| CN211059341U (en) * | 2019-09-26 | 2020-07-21 | 陕西法士特齿轮有限责任公司 | A lubricated isolating construction in area for connecting plate formula derailleur |
| CN113153928A (en) * | 2021-03-25 | 2021-07-23 | 东风商用车有限公司 | Clutch release fork assembly |
Non-Patent Citations (2)
| Title |
|---|
| 中国汽车工业销售总公司编: "《国产汽车零配件通用互换资料大全》", 30 September 1999, 人民交通出版社 * |
| 许兆棠等主编: "《汽车构造（下册）》", 31 July 2016, 国防工业出版社 * |
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| PB01 | Publication | ||
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Application publication date: 20210831 |