CN1180802A - Single-shaft double cam combined device capable of substituting crankshaft connecting rod - Google Patents
Single-shaft double cam combined device capable of substituting crankshaft connecting rod Download PDFInfo
- Publication number
- CN1180802A CN1180802A CN 96116011 CN96116011A CN1180802A CN 1180802 A CN1180802 A CN 1180802A CN 96116011 CN96116011 CN 96116011 CN 96116011 A CN96116011 A CN 96116011A CN 1180802 A CN1180802 A CN 1180802A
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- Prior art keywords
- piston
- eccentric cam
- eccentric
- connecting rod
- substituting
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- 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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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Transmission Devices (AREA)
Abstract
A single-axle and two-cam combined apparatus able to replace crankshaft and connecting rod of two-stroke engine for motorcycle features that its elements are in rolling contact with eccentric cams and planar drive plate in diagonal pull frame between two pistons. Rotating eccentric axles can make two eccentric cams do swinging movement and piston is driven by drive plate to do reciprocating movement.
Description
What the present invention relates to is that the mechanical engineering element is the wheeled composite set of single-shaft double cam that can replace crankshaft-link rod.The technology the most approaching in prior art and the present invention is that the applicant is No. 961156546 patents in China Patent No..This patent is that the third can replace the crankshaft-link rod cylindrical eccentric cam, and the circular gear composition element constitutes.But owing to be that structure with twin shaft pair eccentric cams increases the part manufacturing cost greatly, the number of part is many, and this also is the deficiencies in the prior art part.
The objective of the invention is on the basis of existing technology, improved, the two eccentric cams of original twin shaft are changed into the single-shaft double cam combined device capable of substituting crankshaft connecting rod that single-shaft double cam wheel and cam outer rim are inlaid with needle bearing at its deficiency.
Technological scheme of the present invention is to realize by following measure: be made of cylinder body 1, piston 2, piston ring 3, derivation board 4, eccentric cam shaft 5, eccentric cam 6, needle roller 11, needle bearing outer ring 12, eccentric cam 7, needle roller 13, needle bearing outer ring 14, the element that tiltedly draws frame 8, axis hole 9, axis hole 10 to be formed.
Rotating eccentric cam shaft 5 rotates eccentric cam 6 and 7 simultaneously, in the middle of this process, make eccentric cam 6, needle roller 11, needle bearing outer ring 12 and eccentric cam 7, needle roller 13, needle bearing outer ring 14 produce the beat motion simultaneously, promote with it closely the left and right sides derivation board 4 that is connected two-piston of contact respectively, tiltedly draw frame 8 by needle bearing outer ring 13 and 13, make piston under the effect of cylinder body guide rail, produce straight line motion.Eccentric cam shaft 5 makes eccentric cam 6, needle roller 11, needle bearing outer ring 12 and eccentric cam 7, needle roller 13, needle bearing outer ring 14 produce the beat motion simultaneously, makes piston obtain to-and-fro motion.Replace crankshaft-link rod as this structure of used for air compressor, make the piston of air compressor obtain regular to-and-fro motion.In addition, this constructional device also can be by the parts piston 2 initiatively to-and-fro motion that contact with composition element.During piston 2 active movements, tiltedly draw frame 8 to make left and right sides derivation board 4 promote needle bearing outer ring 12, needle roller 11, cam 6 and needle bearing outer ring 14, needle roller 13, cam 7 passive generation rotating force distances respectively by promoting to connect piston, make camshaft 5 rotation and outputting power works done thus.Owing in internal-combustion engine or air compressor, replaced crankshaft ﹠ connecting equally with the single-shaft double cam wheel combination device, make compact structure, size is little, and manufacturing expense is cheap, adopts the device of the single-shaft double cam wheel that can replace crankshaft-link rod can obtain better effect to same cylinder diameter and stroke.
Description of drawings:
Fig. 1: the example structure schematic representation that is used for internal-combustion engine for the present invention
Fig. 2: the example structure internal organs view that is used for internal-combustion engine for the present invention
Embodiment: the present invention's application example and technological scheme of the present invention is had further in conjunction with its accompanying drawing on the motorcycle two-stroke gasoline engine elaborates.As shown in Figure 1, 2, the piston 2 that is mated is arranged in the cylinder sleeve 1 of petrol engine, between connection two-piston 2, be provided with and tiltedly draw frame 8, tiltedly draw frame the inside be provided with left and right plane slurcocks 4 and respectively with inlay with two eccentric cam outer rims on needle bearing outer ring 12,14 closely roll and to contact, in addition, respectively be processed with the axis hole 10 and 9 that matches with eccentric cam shaft 5 on the diameter on the sidewall central vertical eccentric cam 6 of cylinder body 1 and 7 profile line planes, eccentric cam shaft 5 passes from the hole.In this example, petrolic cylinder diameter * stroke is 40 * 39.6 can determine that the throw of eccentric of two eccentric cam gross datas is 39.6.The throw of eccentric that can determine eccentric cam 6, needle roller 11, needle bearing outer ring 12 and eccentric cam 7, needle roller 13, needle bearing outer ring 14 thus is 39.6 can determine the profile of eccentric cam 6 and 7 thus.Its implementation result has compact structure than the petrol engine of the traditional crankshaft ﹠ connecting that adopts identical bore and stroke; Manufacturing expense is low, and fuel-efficient positive effect.
Claims (4)
1. being used for single-shaft double cam combined device capable of substituting crankshaft connecting rod has: cylinder body 1, piston 2, piston ring 3, derivation board 4, eccentric cam shaft 5, eccentric cam 6, needle roller 11, needle bearing outer ring 12, eccentric cam 7, needle roller 13, needle bearing outer ring 14, the element mechanism of tiltedly drawing frame 8, axis hole 9,10 to be formed.It is characterized in that eccentric cam that described two outer rims are inlaid with needle bearing rolls respectively with the plane derivation board that tiltedly draws the frame the inside of piston one closely contacts, promote left and right plane plate derivation board 4 by the bearing outer ring rolling, under the effect of cylinder body guide rail, make piston produce to-and-fro motion.
2. when being applied to motor, allow the piston active movement, pass fixed point by axis at last and perpendicular to the axle rotation and the outputting power work done on two eccentric cam profile line planes.
3. two eccentric cams 6 and 7 diameter, throw of eccentric equate.
4. be used at least one side that single-shaft double cam combined device capable of substituting crankshaft connecting rod is characterized in that piston and be provided with piston ring according to claim 1,2,3 is described to be applicable to the structure of seal compression (as motor or compressor).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96116011A CN1062648C (en) | 1996-10-21 | 1996-10-21 | Single-shaft double cam combined device capable of substituting crankshaft connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96116011A CN1062648C (en) | 1996-10-21 | 1996-10-21 | Single-shaft double cam combined device capable of substituting crankshaft connecting rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1180802A true CN1180802A (en) | 1998-05-06 |
| CN1062648C CN1062648C (en) | 2001-02-28 |
Family
ID=5123204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96116011A Expired - Fee Related CN1062648C (en) | 1996-10-21 | 1996-10-21 | Single-shaft double cam combined device capable of substituting crankshaft connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1062648C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7644694B2 (en) | 2004-05-14 | 2010-01-12 | S&S Cycle, Inc. | Collapsible pushrod assembly and method of installing a collapsible pushrod assembly |
| CN113666000A (en) * | 2021-07-09 | 2021-11-19 | 安徽江淮扬天汽车股份有限公司 | Multi-section bearing type tank truck |
-
1996
- 1996-10-21 CN CN96116011A patent/CN1062648C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7644694B2 (en) | 2004-05-14 | 2010-01-12 | S&S Cycle, Inc. | Collapsible pushrod assembly and method of installing a collapsible pushrod assembly |
| CN113666000A (en) * | 2021-07-09 | 2021-11-19 | 安徽江淮扬天汽车股份有限公司 | Multi-section bearing type tank truck |
| CN113666000B (en) * | 2021-07-09 | 2024-01-05 | 安徽江淮扬天汽车股份有限公司 | Multistage bearing type tank truck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1062648C (en) | 2001-02-28 |
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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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |