CN101021234A - Wedge block for one-way clutch - Google Patents
Wedge block for one-way clutch Download PDFInfo
- Publication number
- CN101021234A CN101021234A CN 200610003560 CN200610003560A CN101021234A CN 101021234 A CN101021234 A CN 101021234A CN 200610003560 CN200610003560 CN 200610003560 CN 200610003560 A CN200610003560 A CN 200610003560A CN 101021234 A CN101021234 A CN 101021234A
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- CN
- China
- Prior art keywords
- way clutch
- wedge
- clutch
- wedge block
- shaped blocks
- 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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Abstract
The present invention discloses a wedge-shaped block for one-way clutch. The invented wedge-shaped block is set between inner ring and outer ring of one-way clutch, the contact face of the described wedge-shaped block and inner ring and outer ring of said one-way clutch adopts involute curved face, so that when the clutch is worked, the curvature of said working face can be enlarged with the increment of load, the working face contact area also can be enlarged, therefore it can raise load-carrying capacity.
Description
Technical field
The present invention relates to Wedge block for one-way clutch, especially a kind of Wedge block for one-way clutch of involute surface design.
Background technique
In the prior art, overrunning clutch concentric between the inside and outside ring of self commonly used is provided with a plurality of wedge-shaped blockss, and its working surface that contacts with the inside and outside ring of overrunning clutch adopts simple eccentric circle cylndrical surface, and this structure is comparatively simple, make easy to processly, be subjected to people's welcome.But the influence that the design pressure angle of this wedge-shaped blocks can be worn, pressure angle can become big or diminish, and when diminishing, will influence disengaging performance; When becoming big, will not play the backward bearer effect.Therefore, wedge-shaped blocks wearing and tearing commonly used are big, and working life is short, and a little less than the bearing capacity, reliability is low.
Summary of the invention
In order to overcome above-mentioned defective, the object of the present invention is to provide a kind of parts depreciation little, bearing capacity is strong, the Wedge block for one-way clutch that reliability is high.
In order to solve the problems of the technologies described above, Wedge block for one-way clutch of the present invention is arranged between the inside and outside ring of overrunning clutch, and the working surface that wedge-shaped blocks contacts with the inside and outside ring of overrunning clutch adopts involute surface.
After adopting such shape, owing to pressure angle is programmable very big and influence that changed by parts depreciation is minimum, when overrunning clutch was worked, the working life of wedge-shaped blocks and reliability all improved greatly, and clutch is also very light.In addition, the curvature of working surface also can constantly increase with the increase of carrying, and the area of contact of working surface just can increase, and like this, the bearing capacity of working surface can improve a lot.Be subjected to parts depreciation big thereby solved wedge-shaped blocks commonly used, working life is short, a little less than the bearing capacity, and the defective that reliability is low.
Description of drawings
The schematic representation that Fig. 1 is connected with inside and outside ring for Wedge block for one-way clutch of the present invention.
Embodiment
As shown in Figure 1, wedge-shaped blocks 3 of the present invention is arranged between the outer shroud 1 and interior ring 2 of overrunning clutch, with the surface of contact of interior ring 1 be A, the surface of contact A of the lower end of described wedge-shaped blocks 3 and overrunning clutch has adopted involute 4 curved surfaces, a is the center of circle among the figure, and c point and c ' point overlap, and its involute 4 is to be the center of circle with a, the c point is fixing, one section track BC in the route of being passed by when c ' point is outwards upheld.Like this, curvature on the BC curved surface is increased gradually by B to C on the one hand, the centre of curvature of the each point on the BC curved surface also changes along basic circle a circular path on the other hand, and keeps constant substantially with the throw of eccentric of the center of circle of top-surface camber EF or centre of curvature, thereby the pressure angle the during work of assurance is constant substantially.Therefore, when overrunning clutch was worked, owing to can with the very big of the pressure angle design of work and influence that changed by parts depreciation is very little, the operating life and the reliability of clutch improve greatly; Along with the increase of carrying, the curvature of involute 4 also can be along with continuous increase, and the area of contact of working surface just can increase, and like this, the bearing capacity of working surface can improve a lot; Be subjected to parts depreciation big thereby solved wedge-shaped blocks commonly used, working life is short, a little less than the bearing capacity, and the defective that reliability is low.
Claims (2)
1. Wedge block for one-way clutch, described wedge-shaped blocks is arranged between the inside and outside ring of overrunning clutch, it is characterized in that: the outer shroud surface of contact of described wedge-shaped blocks and overrunning clutch is an involute surface.
2. according to the described Wedge block for one-way clutch of claim 1, it is characterized in that: the interior loop contacts face of described wedge-shaped blocks and overrunning clutch is an involute surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610003560 CN101021234A (en) | 2006-02-13 | 2006-02-13 | Wedge block for one-way clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610003560 CN101021234A (en) | 2006-02-13 | 2006-02-13 | Wedge block for one-way clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101021234A true CN101021234A (en) | 2007-08-22 |
Family
ID=38709095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610003560 Pending CN101021234A (en) | 2006-02-13 | 2006-02-13 | Wedge block for one-way clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101021234A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410315A (en) * | 2011-08-22 | 2012-04-11 | 王振良 | Non-contact reversion brake |
| CN104179834A (en) * | 2014-09-03 | 2014-12-03 | 陕西科技大学 | Wedge block for overrunning clutch |
| CN114746661A (en) * | 2019-12-05 | 2022-07-12 | 舍弗勒技术股份两合公司 | Roller flywheel unit for vehicle |
-
2006
- 2006-02-13 CN CN 200610003560 patent/CN101021234A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410315A (en) * | 2011-08-22 | 2012-04-11 | 王振良 | Non-contact reversion brake |
| CN102410315B (en) * | 2011-08-22 | 2013-01-23 | 王振良 | Non-contact reversion brake |
| CN104179834A (en) * | 2014-09-03 | 2014-12-03 | 陕西科技大学 | Wedge block for overrunning clutch |
| CN114746661A (en) * | 2019-12-05 | 2022-07-12 | 舍弗勒技术股份两合公司 | Roller flywheel unit for vehicle |
| US11920642B2 (en) | 2019-12-05 | 2024-03-05 | Schaeffler Technologies AG & Co. KG | Roller freewheel unit for a vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20070822 |