CN1180783A - Wear and tear automatic compensation boss technology - Google Patents
Wear and tear automatic compensation boss technology Download PDFInfo
- Publication number
- CN1180783A CN1180783A CN 96122952 CN96122952A CN1180783A CN 1180783 A CN1180783 A CN 1180783A CN 96122952 CN96122952 CN 96122952 CN 96122952 A CN96122952 A CN 96122952A CN 1180783 A CN1180783 A CN 1180783A
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- pivot pin
- wear
- compensate
- beam barrel
- packing ring
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Abstract
An axle joint with automatic compensation of abrasion for chain of engine features that axial abrasion is used to compensate radical abrasion, so preventing the abrasive elongation of chain and prolongating service life by 3-5 times.
Description
The invention belongs to mechanical field
The wearing and tearing of four stroke engine timing chain elongation, more and more serious unbalance with the switching that causes valve and piston phase matching, engine performance will constantly worsen, and show as the oil consumption increase, power variation, noise increase etc.
For motorcycle, the life-span of homemade high-quality chain, the import chain was owing to reasons such as selection and process meanses about about 10,000 kilometers, life-span will be longer than homemade chain, can reach ten thousand kilometers of 1.5-2, too frequent replacing has brought many inconvenience to the user, also is easy to damage motor.Because the construction features of conventional chains from just having determined the gradual change wearing and tearing elongation of chain in essence, also just can not be kept away the gradual change that causes the motor deterioration of exerting oneself, the replacement cycle of timing chain just engine performance by preferable to the cycle that runs down.
The objective of the invention is to, from changing the wear mechanism of chain in essence, thoroughly solve the wearing and tearing elongation problem of chain, make timing chain in running, though constantly wearing and tearing also can keep accurate pitch, guaranteeing that motor is operated in best distribution state always, the life-span of chain is by ten thousand kilometers of original 1-2, increases to cause ten thousand kilometers of 5-10.
Key problem in technology of the present invention is, with the junction plane of pivot pin in the chain and beam barrel, changes the awl cylinder into by cylinder, and sets up compensate for wear packing ring (or platform shape projection) and spring, is installed in the beam barrel two ends respectively.
Basic functional principle is: in use, in the time of pivot pin and beam barrel wearing and tearing, the compensate for wear packing ring also is worn, and beam barrel produces displacement to compensate for wear packing ring direction under the elastic force of spring promotes, and this displacement meeting makes that wearing clearance is tending towards reducing between beam barrel and pivot pin.If reasonably select the alloy material of compensate for wear packing ring (or platform shape projection), the wearing clearance between pivot pin and beam barrel be able to be by full remuneration (constant substantially), and the pitch of chain also just can be guaranteed accurately.
Characteristics of the present invention are, do not avoid wearing and tearing, utilize rational structure, offset wearing and tearing to wear and tear, and not only can be used to improve timing chain, also can improve the rotation joint position in the equipment such as engine crankshaft and other machinery.
Below in conjunction with accompanying drawing, the invention will be further described with regard to several preferred embodiments of the present invention:
[figure one] wear and tear automatic compensation boss technology principle schematic
[figure two] wear automatic-compensation chain structure schematic representation
[figure three] wear automatic-compensation crankshaft structure schematic representation
Shown in [figure one], pivot pin (1) is the awl cylinder with the junction plane of beam barrel (2), they can relatively rotate, when pivot pin (1) weares and teares with beam barrel (2), compensate for wear packing ring (3) (or platform shape projection) also is worn attenuation, under the promotion of the elastic force of spring (4), beam barrel (2) produces displacement with respect to pivot pin (1) to the direction of compensate for wear packing ring (3), its result, dwindled the wearing clearance between pivot pin (1) and the beam barrel (2), if the alloy material of packing ring (3) is chosen suitably, the wearing clearance between pivot pin (1) and the beam barrel (2) be able to be by intact compensation (remaining unchanged).Compensate for wear packing ring (3) also can be solidified as a whole with pivot pin (1) or beam barrel (2) assembly, forms platform shape projection.Spring (4) also can be a sheet, and button changes other shapes such as shape.
Shown in [figure two], compensation principle is just the same with [figure one], because the space is limited, spring (8) easily is chosen for sheet, (5) be pivot pin, (6) are the beam barrel assembly, and (7) are the compensate for wear packing ring, promptly independently, also can be solidified as a whole and form platform shape projection with pivot pin (5) and beam barrel assembly (6).Pivot pin (5) is the awl cylinder with the junction plane of beam barrel assembly (6).
Shown in [figure three]: compensation principle is just the same with [figure one], pivot pin (9) is the awl cylinder with the junction plane of side rod stomidium (10), (11) be the compensate for wear packing ring, promptly independently, also can be solidified as a whole with pivot pin (9) or side rod (10), form platform shape projection, (12) are spring, and shape can be a sheet.
Claims (3)
1, wear and tear automatic compensation boss technology, be specially adapted to compensate the beam barrel of rotation joint and the wearing clearance between pivot pin, its feature just is, after compensate for wear packing ring (or platform shape projection) is worn, the elastic force of spring promotes internal surface and is the beam barrel of boring column, pivot pin with respect to the awl column moves to compensate for wear packing ring direction, with the wearing clearance between compensation beam barrel and pivot pin.
2, wear automatic-compensation chain, by pivot pin, beam barrel, spring, compositions such as compensate for wear packing ring, its feature just are that the junction plane of pivot pin and beam barrel is the awl cylinder, after compensate for wear packing ring (or platform shape projection) is worn, the elastic force of spring promotes internal surface and is the beam barrel of boring column, with respect to pivot pin, moves to the direction of shim, wearing clearance with between compensation beam barrel and pivot pin keeps accurate pitch.
3, wear automatic-compensation bent axle, by pivot pin, compositions such as connecting rod, spring and compensate for wear packing ring, its feature just are that the junction plane of pivot pin and connecting rod stomidium is the awl cylinder, after compensate for wear packing ring (or platform shape projection) is worn, the elastic force of spring promotes connecting rod, with respect to pivot pin, to the translation of compensate for wear packing ring direction, with the wearing clearance between compensation link stomidium and pivot pin, to keep rational gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96122952A CN1118615C (en) | 1996-10-18 | 1996-10-18 | Wear and tear automatic compensation boss technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96122952A CN1118615C (en) | 1996-10-18 | 1996-10-18 | Wear and tear automatic compensation boss technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1180783A true CN1180783A (en) | 1998-05-06 |
| CN1118615C CN1118615C (en) | 2003-08-20 |
Family
ID=5127520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96122952A Expired - Fee Related CN1118615C (en) | 1996-10-18 | 1996-10-18 | Wear and tear automatic compensation boss technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1118615C (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3092457B2 (en) * | 1994-08-24 | 2000-09-25 | スズキ株式会社 | Engine timing chain mounting device |
-
1996
- 1996-10-18 CN CN96122952A patent/CN1118615C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1118615C (en) | 2003-08-20 |
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Addressee: Jiang Mu Document name: Notice of conformity |
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| C14 | Grant of patent or utility model | ||
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| DD01 | Delivery of document by public notice |
Addressee: Jiang Mu Document name: Notification of Termination of Patent Right |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |