CN202674092U - Automotive hydraulic clutch release bearing assembly - Google Patents
Automotive hydraulic clutch release bearing assembly Download PDFInfo
- Publication number
- CN202674092U CN202674092U CN 201220305365 CN201220305365U CN202674092U CN 202674092 U CN202674092 U CN 202674092U CN 201220305365 CN201220305365 CN 201220305365 CN 201220305365 U CN201220305365 U CN 201220305365U CN 202674092 U CN202674092 U CN 202674092U
- Authority
- CN
- China
- Prior art keywords
- ring
- release bearing
- guide shaft
- tubular guide
- 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.)
- Expired - Lifetime
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The utility model discloses an automotive hydraulic clutch release bearing assembly, which comprises a release bearing unit and a hydraulic moving unit, wherein the release bearing unit is positioned at one end of the automotive hydraulic clutch release bearing assembly; the hydraulic moving unit is positioned at the other end of the automotive hydraulic clutch release bearing assembly; the release bearing unit comprises a bearing outer ring, a bearing inner ring, a plurality of steel balls, a retainer, a spring washer, a retainer ring and a steel sealing ring; the hydraulic moving unit comprises a fixing ring, a positioning ring, a pressure spring and a hydraulic cylinder; the hydraulic cylinder comprises an outer cover, a cylindrical plunger, a cylinder plunger sealing ring and a metal tubular guide shaft; one end of the metal tubular guide shaft is accommodated in an inner hole of the cylindrical plunger; one end of a hollow cylindrical cavity is closed by the other end of the metal tubular guide shaft; an oil hole is formed in the outer cover on the upper side of the hollow cylindrical cavity; the pressure spring is arranged in a barrel of the outer cover; and the spring washer is embedded between the retainer ring and the fixing ring. The metal tubular guide shaft has high ductility and is convenient to machine and difficult to wear, the strength of the outer cover is increased, and the service life of the outer cover is prolonged.
Description
Technical field
The utility model relates to a kind of control gear of automobile clutch, and especially a kind of coupling disengage device for the automatic gearbox of vehicles gear-change operation belongs to the vehicle transmission technical field.
Background technique
Vehicle clutch disengaging bearing is installed between clutch and the speed changer, declutch shaft bearing pine is enclosed within on the tubulose extension of transmission drive gear bearing lid, make the convex shoulder platform of release bearing prop up all the time disengaging yoke by the return spring card, and retreat to the rearmost position, keep certain gap with separation finger end on the clutch separation platen.During work, clutch compressing disc, separator levers and engine synchronization rotation.During gearshift, disengaging yoke promotes clutch release bearing and moves axially and the separation finger contact that separates platen, make and separate platen and rotate an edge clutch output shaft on one side and move axially, thereby guaranteed motor car engine and speed change and can engage smooth-goingly, separate soft.
Vehicle hydraulic clutch adopts hydraulic transmission to promote platen or separation that the hydraulic jack plunger moves to realize clutch, the less assembly space of the radial dimension of this vehicle hydraulic clutch is limited, require release bearing assembly compact structure, light, guaranteeing to guarantee its low vibration, low noise and wear-resistant, good sealability in release bearing working life.
Notice of authorization number discloses a kind of " locomotive self-aligning hydraulic clutch release bearing assembly " for the utility model patent of CN 202112584U, this release bearing assembly adopts T shape guide pin bushing and the bearing formation oil pocket that is tightly connected, piston is arranged in the oil pocket, pressing plate is pressed on the T shape head of T shape guide pin bushing, the piston two ends are spacing in sleeve, the preloading spring two ends withstand on the shaft shoulder of bearing and sleeve by the two ends of dust-proof cover respectively, and release bearing is arranged on the sleeve periphery.Surface friction drag when release bearing assembly can reduce sleeve and moves, thus the working pressure of hydraulic system reduced, can carry out auto-compensation when release bearing and clutch disalignment.But the hydraulic chamber complex structure of this release bearing assembly, processing difficulties, assembling inconvenience.Dust-proof cover adopts the material of soft foldable to make, and long-term use is easily damaged.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, clutch and is easy to engage and separates the vehicle clutch disengaging bearing assembly that working life is long.
The utility model is achieved by the following technical programs:
A kind of vehicle hydraulic clutch release bearing assembly, comprise the release bearing unit that is positioned at an end, the hydraulic moving unit that is positioned at the other end and axially is connected with release bearing unit, described release bearing unit comprises bearing outer ring, bearing inner race, a plurality of steel ball, retainer, spring washer, back-up ring and steel seal ring, and the bearing race two ends between described bearing outer ring, the bearing inner race arrange respectively back-up ring and steel seal ring; Described hydraulic moving unit comprises retaining ring, positioning ring, stage clip and hydraulic jack, described hydraulic jack comprises outer outlet body, tubular plunger, column sleeve plug sealing ring and the tubular guide shaft of metal, tubular guide shaft one end of described metal passes tubular plunger endoporus, an end of hollow cylindrical cavity between the tubular guide shaft the other end of metal closed cover body endoporus and the tubular guide shaft cylindrical of metal, the outer outlet body of hollow cylindrical cavity upside is provided with and leads to the oilhole that passes in and out oil pipe; When column sleeve moved on to limit position beyond the Great Wall, tubular plunger one end was resisted against by retaining ring on the radially flange of bearing inner race, and the tubular plunger the other end is by the other end of sealing retainer ring, column sleeve plug sealing ring closed hollow cylindrical cavity; The outer outlet body the other end extends axially out cylindrical shell, and stage clip is arranged in the cylindrical shell, and stage clip one end is resisted against on the bearing inner race end face by positioning ring, and the stage clip the other end is resisted against on the cylinder body bottom; Spring washer is inlaid between back-up ring and the retaining ring.
The purpose of this utility model can also further realize by following technical measures.
Aforesaid vehicle hydraulic clutch release bearing assembly, tubular guide shaft one end of wherein said metal turns up and blocks tubular plunger one end, and the tubular guide shaft the other end of metal extends the radially flange of annular, and radially outer outlet body one end end face is contained in the flange bottom.Radially flange extends little scrap (bridge), and the tubular guide shaft the other end of metal is fixedly connected with the outer outlet body bayonet socket by little scrap (bridge).
Aforesaid vehicle hydraulic clutch release bearing assembly, embedded sealing ring between the radially flange inboard of the wherein said outer outlet body the other end and the end face of outer outlet body one end; The cylinder internal diameter of outer outlet body is greater than the bearing outer ring external diameter.
Aforesaid vehicle hydraulic clutch release bearing assembly, wherein said column sleeve plug sealing ring is fixedly connected with by the M shape bayonet socket that is arranged on the sealing retainer ring with the sealing retainer ring.
The tubular guide shaft of metal of the present utility model has good ductility, and is easy to process and not easy to wear, intensity and the life-span of having improved outer outlet body.The outer outlet body of hollow cylindrical cavity upside only is provided with one and leads to the oilhole that passes in and out oil pipe, and the injection of hydraulic oil is all finished by this oilhole with backflow, and is simple for structure, is convenient to bearing assemble.The cylinder internal diameter of outer outlet body, is convenient to release bearing unit integral body and is moved axially when vehicle hydraulic clutch separates or engage greater than the bearing outer ring external diameter.The cylindrical shell of outer outlet body is the hardware structure, makes for a long time to be not easy breakage.Sliding ring is fixedly connected with by the M shape bayonet socket that is arranged on the sealing retainer ring with the sealing retainer ring, is difficult for loose or dislocation during work and keeps good sealing effect.The axial pressing force of stage clip acts on the end face of positioning ring, this Placement neither affects the sealing of release bearing unit can directly carry out enhancement process to positioning ring again, make it also not easy to wear under the axial pressing force repeated action of stage clip, improve its working life.
Advantage and disadvantage of the present utility model will be for illustration and explanation by the non-limitative illustration of following preferred embodiment, and these embodiments only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is sectional view of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1, the utility model comprises the release bearing unit 1 that is positioned at an end, the hydraulic moving unit 2 that is positioned at the other end and axially is connected with release bearing unit 1, release bearing unit 1 comprises bearing outer ring 11, bearing inner race 12, a plurality of steel balls 13, retainer 14, spring washer 15, back-up ring 16 and steel seal ring 17, at bearing outer ring 11, the two ends of the bearing race 18 between the bearing inner race 12 arrange respectively back-up ring 16 and steel seal ring 17, be used for sealing bearing race 18, prevent that lubricating grease from overflowing, the sealing that keeps release bearing unit 1, spring washer 15 provides axial pre-pressing force, makes release bearing unit 1 possess self-aligning function.
Hydraulic moving unit 2 comprises retaining ring 21, positioning ring 22, stage clip 23 and hydraulic jack 24, described hydraulic jack 24 comprises the tubular guide shaft 244 of outer outlet body 241, tubular plunger 242, column sleeve plug sealing ring 243 and metal, tubular guide shaft 244 1 ends of described metal pass tubular plunger 242 endoporus, an end of hollow cylindrical cavity 246 between tubular guide shaft 244 cylindricals of the other end closed cover body 241 endoporus and metal, the outer outlet body 241 of hollow cylindrical cavity 246 upsides are provided with the oilhole 241-2 that leads to turnover oil pipe 241-1.When moving on to limit position outside the tubular plunger 242, the one end is resisted against by retaining ring 21 on the radially flange of bearing inner race 12, and the other end is by the other end of sealing retainer ring 245, column sleeve plug sealing ring 243 closed hollow cylindrical cavities 246.Embedded sealing ring 25 between the radially flange inboard of tubular guide shaft 244 the other ends of metal and the end face of outer outlet body 241 1 ends, column sleeve plug sealing ring 243 and seal ring 25 have sealed the hollow cylindrical cavity 246 as the cylinder block inner chamber, the cylindrical shell 241-3 internal diameter of outer outlet body 241 is convenient to assemble stage clip 23 greater than bearing outer ring 11 external diameters.
The end face of sealing retainer ring 245 is provided with M shape bayonet socket, column sleeve plug sealing ring 243 links to each other with sealing retainer ring 245 by M shape bayonet socket, sealing retainer ring 245 is buckled on tubular plunger 242 the other ends by the flange of bending, like this, tubular plunger 242, sealing retainer ring 245 are connected the three and are firmly connected with the column sleeve plug sealing ring.
Outer outlet body 241 the other ends extend axially out cylindrical shell 241-3, stage clip 23 is arranged in the cylindrical shell 241-3, stage clip 23 1 ends are resisted against on bearing inner race 12 end faces by positioning ring 22, and the other end is resisted against on the cylindrical shell 241-1 bottom, and stage clip 23 provides axial pre-pressing force for release bearing unit 1.Spring washer 15 is inlaid between back-up ring 16 and the retaining ring 21, also provides axial pre-pressing force to release bearing unit 1.
The tubular guide shaft 244 of metal is sheet stamping member, and the one end turns up and encases tubular plunger 242 1 ends, and the other end extends the radially flange 244-1 of annular, and radially outer outlet body 241 1 end end faces are contained in flange 244-1 bottom.Radially flange extends little scrap (bridge) 244-2, and tubular guide shaft 244 the other ends of metal are fixedly connected with outer outlet body bayonet socket 241-4 by the little 244-2 of taking limit.Tubular guide shaft 244 endoporus of metal and drive cylindrical all have higher degree of finish, have reduced the surface friction drag of the tubular plunger 242 of slip thereon, have prolonged the working life of tubular plunger 242.
When the utility model is contained on the clutch, release bearing unit 1 outside is pressed on the separation finger that separates platen, the inboard is pressed on stage clip 23 1 ends that are pressed in advance in the outer outlet body 241, the tubular plunger 242 that be positioned at release bearing unit 1 inboard this moment moves to right, and makes the hollow cylindrical cavity 246 of hydraulic moving unit 2 be in pre-working state.During work, hydraulic oil injects in the hollow cylindrical cavity 246 by turnover oil pipe 241-1 and oilhole 241-2, promoting tubular plunger 24 and release bearing unit 1 moves to left, clutch friction plate drives bearing outer ring 11 rotations, bearing outer ring 12 does not turn, and transmission input shaft does not turn, and does and moves to left on one side make the clutch separation platen rotate an edge clutch output shaft, engine power separates with speed changer, and speed changer can be shifted gears.
In addition to the implementation, the utility model can also have other mode of executions, and all employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (6)
1. vehicle hydraulic clutch release bearing assembly, comprise the release bearing unit that is positioned at an end, the hydraulic moving unit that is positioned at the other end and axially is connected with release bearing unit, described release bearing unit comprises bearing outer ring, bearing inner race, a plurality of steel balls, retainer, spring washer, back-up ring and steel seal ring, it is characterized in that: described bearing outer ring, bearing race two ends between the bearing inner race arrange respectively back-up ring and steel seal ring, described hydraulic moving unit comprises retaining ring, positioning ring, stage clip and hydraulic jack, described hydraulic jack comprises outer outlet body, the tubular plunger, the tubular guide shaft of column sleeve plug sealing ring and metal, tubular guide shaft one end of described metal passes tubular plunger endoporus, hollow cylindrical cavity one end between the tubular guide shaft the other end of metal closed cover body endoporus and the tubular guide shaft cylindrical of metal, hollow cylindrical cavity upside is provided with and leads to the oilhole that passes in and out oil pipe; When column sleeve moved on to limit position beyond the Great Wall, tubular plunger one end was resisted against by retaining ring on the radially flange of bearing inner race, and the tubular plunger the other end is by the other end of sealing retainer ring, column sleeve plug sealing ring closed hollow cylindrical cavity; The outer outlet body the other end extends axially out cylindrical shell, and stage clip is arranged in the cylindrical shell, and stage clip one end is resisted against on the bearing inner race end face by positioning ring, and the stage clip the other end is resisted against on the cylinder body bottom; Spring washer is inlaid between back-up ring and the retaining ring.
2. vehicle hydraulic clutch release bearing assembly as claimed in claim 1, it is characterized in that: tubular guide shaft one end of described metal turns up and blocks tubular plunger one end, the tubular guide shaft the other end of metal extends the radially flange of annular, and radially outer outlet body one end end face is contained in the flange bottom.
3. vehicle hydraulic clutch release bearing assembly as claimed in claim 2, it is characterized in that: described radially flange extends little scrap (bridge), and the tubular guide shaft the other end of metal is fixedly connected with the outer outlet body bayonet socket by little scrap (bridge).
4. such as claim 1 or 2 or 3 described vehicle hydraulic clutch release bearing assemblies, it is characterized in that: embedded sealing ring between the radially flange inboard of the tubular guide shaft the other end of described metal and the end face of outer outlet body one end.
5. vehicle hydraulic clutch release bearing assembly as claimed in claim 1, it is characterized in that: the cylinder internal diameter of described outer outlet body is greater than the bearing outer ring external diameter.
6. vehicle hydraulic clutch release bearing assembly as claimed in claim 1 is characterized in that: described column sleeve plug sealing ring is fixedly connected with by the M shape bayonet socket that is arranged on the sealing retainer ring with the sealing retainer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220305365 CN202674092U (en) | 2012-06-28 | 2012-06-28 | Automotive hydraulic clutch release bearing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220305365 CN202674092U (en) | 2012-06-28 | 2012-06-28 | Automotive hydraulic clutch release bearing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202674092U true CN202674092U (en) | 2013-01-16 |
Family
ID=47494999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220305365 Expired - Lifetime CN202674092U (en) | 2012-06-28 | 2012-06-28 | Automotive hydraulic clutch release bearing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202674092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561451A (en) * | 2018-05-18 | 2018-09-21 | 天津市精研工程机械传动有限公司 | A kind of clutch transmission |
-
2012
- 2012-06-28 CN CN 201220305365 patent/CN202674092U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561451A (en) * | 2018-05-18 | 2018-09-21 | 天津市精研工程机械传动有限公司 | A kind of clutch transmission |
| CN108561451B (en) * | 2018-05-18 | 2024-01-02 | 天津市精研工程机械传动有限公司 | Clutch transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |