CN104389678A - Motorcycle, motorcycle crank connecting rod assembly and crank pin seal assembly - Google Patents
Motorcycle, motorcycle crank connecting rod assembly and crank pin seal assembly Download PDFInfo
- Publication number
- CN104389678A CN104389678A CN201410598776.8A CN201410598776A CN104389678A CN 104389678 A CN104389678 A CN 104389678A CN 201410598776 A CN201410598776 A CN 201410598776A CN 104389678 A CN104389678 A CN 104389678A
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- crank pin
- oil
- motorcycle
- black box
- crank
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention provides a crank pin seal assembly which comprises a crank pin and an oil hole formed in the crank pin, wherein the end part of the crank pin is coaxial with an match hole, and the diameter of the match hole is greater than that of the oil hole; an oil plug is of a sheet structure with arc-shaped section; the bent oil plug extends into the mating hole and is stressed to generate plastic deformation; the oil plug can expand along the radial direction of the mating hole in a plastic deformation process, the diameter of the matching hole is constant and an interference fit relation is formed between the oil plug and the mating hole by virtue of the oil plug, so that when oil pressure in the crank pin is high, the oil plug can not fall off and the pressure loading capacity of the oil plug is obviously improved. The invention also provides a motorcycle crank connecting rod assembly which is provided with the crank pin seal assembly with such a structure. The invention also provides a motorcycle comprising the motorcycle crank connecting rod assembly.
Description
Technical field
The present invention relates to field of engine lubrication technology, more particularly, relate to a kind of crank pin black box.In addition, the invention still further relates to a kind of motorcycle crank connecting rod ASSY, present invention also offers a kind of motorcycle.
Background technique
Along with growth in the living standard, motorcycle is seen everywhere in our life.And in motorcycle engine, the lubrication system of complete set can be provided with, the crank-connecting rod assembly part particularly in motorcycle, this part carries the power of motor, load is very large, Just because of this, needs well lubrication when the connecting rod of this part, needle bearing, crank pin move.
As Figure 1-Figure 4, Fig. 1 is the structural representation of crank-connecting rod assembly in prior art, and Fig. 2 is the stifled structural representation of oil in Fig. 1, and Fig. 3 is crank pin structure schematic diagram in Fig. 1, and Fig. 4 is that in Fig. 1, oil blocks up the structural representation after coordinating with crank pin.
During crank-connecting rod assembly lubrication, by outside, machine oil is pressed into crank pin 1` by oil pump, enter in the oilhole 7` of crank pin 1` by oil inlet hole 8`, then entered in needle bearing 3` by oil outlet 6` and carry out lubricating and dispelling the heat, ensure that its normal operation early failue does not occur, due to reasons in structure, crank pin 1` is designed with necessary oil duct, oil duct is designed with the stifled 2` of oil, form desirable oil circuit, and oil pressure ratio is higher in the oil duct of motorcycle, particularly huge discharge motorcycle, there is the possibility that the stifled 2` of oil comes off, to oil duct decompression be caused can not to continue lubrication once the stifled 2` of oil comes off, cause the catastrophe failure that power failure can not run well.
In prior art, the stifled 2` of oil is barrel shaped structure, due to reasons such as punching stretch in actual processing, the external diameter of the stifled 2` of oil is caused always to have certain tapering, being press fit into the stifled 2` and crank pin 1` of oil after in crank pin 1` is not that interference closely cooperates completely, the stifled 2` bearing capacity of oil is not high, ensure the Reliability comparotive limitation that the stifled 2` of oil does not fall down, the risk that total existence necessarily comes off.
Therefore, how to improve the bearing capacity that oil is stifled, ensureing that oil is stifled and do not come off in crank pin, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of crank pin black box, to realize improving the stifled bearing capacity of oil, ensure the stifled object do not come off in crank pin of oil.Present invention also offers a kind of motorcycle crank connecting rod ASSY comprising above-mentioned crank pin black box.Present invention also offers a kind of motorcycle.
In order to achieve the above object, the invention provides following technological scheme:
A kind of crank pin black box, comprise crank pin to block up with the oil being arranged at oilhole two ends in described crank pin, the end of described crank pin is provided with described oilhole coaxially arranged, and diameter is greater than the matching hole of described oilhole, described oil block up for cross section be the sheet of arc oil block up.
Preferably, in above-mentioned crank pin black box, the oil that described oil blocks up as the curved circular chip architecture of thickness uniformity blocks up.
Preferably, in above-mentioned crank pin black box, press-fit with described crank pin in relative with described oilhole of inner side end of the arcuate structure that described oil blocks up.
Preferably, in above-mentioned crank pin black box, described matching hole is to the reverse taper holes that described matching hole inside diameter increases gradually outside described matching hole.
Preferably, in above-mentioned crank pin black box, the angle that the hole of described reverse taper holes is tilted towards hole is 3 degree.
Preferably, in above-mentioned crank pin black box, the degree of depth of described matching hole is that described oil blocks up the 1-3 of thickness doubly.
Preferably, in above-mentioned crank pin black box, the degree of depth of described matching hole is that described oil blocks up the 1-2 of thickness doubly.
Preferably, in above-mentioned crank pin black box, the pin wall of described crank pin offers the oil inlet hole and oil outlet that are communicated with described oilhole respectively, the perforate direction of described oil inlet hole is along the radial arrangement of described crank pin.
A kind of motorcycle crank connecting rod ASSY, comprise bent axle, connecting rod and crank pin black box that suit coordinates, described crank pin black box is crank pin black box described in above-mentioned any one.
A kind of motorcycle, be provided with motor and be arranged at described in-engine motorcycle crank connecting rod ASSY, described motorcycle crank connecting rod ASSY is motorcycle crank connecting rod ASSY as above.
Crank pin black box provided by the invention, the oil comprising crank pin and coordinate with crank pin blocks up, oil is stifled to be installed in the matching hole of crank pin end, the matching hole of end is coaxial with oilhole, and diameter is greater than oilhole, the joint of matching hole and oilhole there will be step, to be that the oil of arc is stifled be installed in matching hole in cross section, be stuck on step, then bending edge section is blocked up to oil and apply pressure, the stifled edge section be stuck on step of oil produces plastic deformation, and stretch along the radial direction of matching hole, the diameter increase that oil is stifled, be greater than the aperture of matching hole, the pressure between the stifled and matching hole surface of contact of oil can be strengthened, thus form interference fit relation closely, when ensureing that oil pressure in crank pin oilhole is very high, oil is stifled also not to come off, significantly improve the bearing capacity that oil is stifled.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of crank-connecting rod assembly in prior art;
Fig. 2 is the stifled left TV structure schematic diagram of oil in Fig. 1;
Fig. 3 is the main TV structure schematic diagram of crank pin in Fig. 1;
Fig. 4 is that in Fig. 1, oil blocks up the structural representation after coordinating with crank pin;
Fig. 5 is that oil provided by the invention blocks up main TV structure schematic diagram;
Fig. 6 is that oil provided by the invention blocks up left TV structure schematic diagram;
Fig. 7 is crank structure schematic diagram provided by the invention;
Fig. 8 is that in this Fig. 5, oil blocks up the structural representation after coordinating with the crank pin in Fig. 7;
In upper figure:
1` is crank pin, 2` for oil is stifled, 3` is needle bearing, 4` is connecting rod, 5` is crank, 6` is oil outlet, 7` is oilhole, 8` is oil inlet hole, 1 be crank pin, 2 for oil is stifled, 3 be matching hole, 4 be oil inlet hole, 5 be oilhole, 6 be oil outlet.
Embodiment
The invention discloses a kind of crank pin black box, improve the bearing capacity that oil is stifled, ensure that oil is stifled and do not come off in crank pin.Present invention also offers a kind of crank-connecting rod assembly comprising above-mentioned crank pin black box.Present invention also offers a kind of motorcycle.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, carry out clear, complete description to the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 5-Figure 8, Fig. 5 is that oil provided by the invention blocks up main TV structure schematic diagram; Fig. 6 is that oil provided by the invention blocks up left TV structure schematic diagram; Fig. 7 is crank structure schematic diagram provided by the invention; Fig. 8 is that in this Fig. 5, oil blocks up the structural representation after coordinating with the crank pin in Fig. 7;
The invention provides a kind of crank pin black box, comprise crank pin 1 and the oil stifled 2 being arranged at the oilhole two ends in crank pin 1, the end of crank pin 1 is provided with oilhole 5 coaxially arranged, and diameter is greater than the matching hole 3 of oilhole 5, and the oil that oil stifled 2 is the sheet structure of arc for cross section blocks up.The matching hole 3 of crank pin 1 end is coaxial with oilhole 5, and diameter is greater than oilhole 5, matching hole 3 there will be step with the joint of oilhole 5, cross section is that the oil stifled 2 of arc is installed in matching hole 3, be stuck on step, then 2 bending edge section applying pressure are blocked up to oil, the edge section that oil stifled 2 is stuck on step produces plastic deformation, and stretch along the radial direction of matching hole 3, the diameter of oil stifled 2 increases, be greater than the aperture of matching hole 3, the stifled pressure between 2 and matching hole 3 surface of contact of oil can be strengthened, thus form interference fit relation closely, and then improve the bearing capacity of oil stifled 2, even if in the oilhole 5 of crank pin 1, oil pressure is very large, oil stifled 2 also can not come off, very reliable, prevent the generation of fault and accident.
In the present invention one specific embodiment, oil stifled 2 is that the oil of the curved circular chip architecture of thickness uniformity blocks up.Oil stifled 2 is bending wafer architecture, namely both ends of the surface carry out the structure that bends, and the thickness uniformity of oil stifled 2, then the degree of crook of its both ends of the surface is all consistent with bending direction, the oil stifled 2 of disc-shaped can ensure after plastic deformation stressed more even with matching hole 3 surface of contact, thickness uniformity can ensure that its structure is more stable, can not produce stressed inconsistent situation after being subject to oil pressure.
In the present invention one specific embodiment, press-fit in crank pin 1 in relative with oilhole 5 of arcuate structure inner side end of oil stifled 2.The stifled 2 arcuate structure inner side surfaces of oil, the one side under namely concaving is relative with oilhole 5, press-fits in crank pin 1, and press-fiting of oil stifled 2 is convenient in this kind of direction, and it is better to press-fit rear stretching, extension, coordinates tightr with crank pin 1; In addition, oil stifled 2 due to regular shape even, stressed more even, further increase the bearing capacity that oil is stifled; And stifled 2 structures of oil are simple, it is special that oil of the prior art blocks up 2` structure, in order to punching stretch is to the iron plate needing better material that meets the demands, punching oil blocks up 2` needs Blanking compound die then sizing die, also need oil to be blocked up 2` aperture car by turning neat, be trimmed to contour, complex process and cost is high, the requirement that oil provided by the invention blocks up 2 pairs of materials reduces, and can processing be completed by blanking and blanking forming two step, save the stifled mould of oil, reduce cost, and meet energy-saving and emission-reduction requirement.
In the present invention one specific embodiment, matching hole 3 is to the reverse taper holes that matching hole 3 inside diameter increases gradually outside matching hole 3.Matching hole 3 is that aperture, outside is little, the reverse taper holes that medial aperture increases gradually, setting like this, bending oil is blocked up 2 and is entered into inside matching hole 3 by the aperture port of small aperture, and after being subject to pressing stretching, extension, stifled 2 diameters of oil increase, inside matching hole 3, form interference fit with matching hole 3, the diameter of oil stifled 2 is greater than the orifice diameter of matching hole 3, aperture can block up 2 to oil, and to carry out along crank pin 1 axis spacing, prevents oil stifled 2 from coming off further, add the reliability of oil stifled 2.
In the present invention one specific embodiment, the angle that the hole of reverse taper holes is tilted towards hole is 3 degree.Generally, the deformation quantity of plastic deformation is not very large, but is enough to meet the demands, and therefore the angle of reverse taper holes hole face tilt need not be too large, and being set to 3 degree can meet the demands, and convenient oil stifled 2 enters in matching hole 3.
In the present invention one specific embodiment, the degree of depth of matching hole 3 is 1-3 times of stifled 2 thickness of oil.The degree of depth of matching hole 3 is that the oily 1-3 blocking up 2 thickness doubly can meet requirement of strength, does not need to process too dark matching hole 3, adds the length of oilhole 5 on the one hand, decrease processing cost on the other hand.
In the present invention one specific embodiment, the degree of depth of matching hole 3 is 1-2 times of stifled 2 thickness of oil.In actual processing, for to reduce processing cost further under the prerequisite meeting requirement of strength, matching hole 3 degree of depth blocks up one times of 2 thickness to twice at oil, ensure oil stifled 2 can be mounted in matching hole 3 and and exists between aperture apart from, in prior art, crank pin 1` hole machined is deep, require size, precision is all higher, processing charges is large, the present invention reduces matching hole 3 amount of finish of crank pin 1, and can ensure that oil stifled 2 does not come off, concrete, the degree of depth of matching hole 3 can be of the prior art 1/4, and through actual test, when matching hole 3 aperture is identical, 2` is blocked up relative to oil of the prior art, stifled 2 bearing capacities of oil provided by the invention improve twice.
In the present invention one specific embodiment, the pin wall of crank pin offers the oil inlet hole 4 and oil outlet 6 that are communicated with oilhole 5 respectively, the perforate direction of oil inlet hole 4 is along the radial arrangement of crank pin.Oil inlet hole 4 is arranged on below oilhole 5 and is connected with oilhole 5, and oil outlet 6 is arranged on above oilhole 5 and is connected with oilhole 5.In prior art, oil inlet hole 4` is inclined hole, add man-hour requirement processing inclined and pit, technique is more complicated, and crank pin black box provided by the invention, matching hole 3 can arrange very shallow, can not hinder the setting of oil inlet hole 4, bore straight hole along the radial direction of crank pin when therefore processing oil inlet hole 4, simplified technique and provided cost savings.
Based on the crank pin black box provided in above-described embodiment, present invention also offers a kind of crank-connecting rod assembly, comprise bent axle, connecting rod and crank pin black box that suit coordinates, the crank pin black box that crank pin black box provides for above-described embodiment.
In addition, present invention also offers a kind of motorcycle, be provided with motor and be arranged at in-engine motorcycle crank connecting rod ASSY, motorcycle crank connecting rod ASSY is above-mentioned motorcycle crank connecting rod ASSY.
Because this motorcycle have employed above-mentioned motorcycle crank connecting rod ASSY, above-mentioned motorcycle crank connecting rod ASSY have employed the crank pin black box of above-described embodiment, so the beneficial effect that this motorcycle is brought by crank pin black box please refer to above-described embodiment.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a crank pin black box, it is characterized in that, comprise crank pin (1) and be arranged at the oil stifled (2) at oilhole (5) two ends in described crank pin (1), the end of described crank pin (1) is provided with described oilhole (5) coaxially arranged, and diameter is greater than the matching hole (3) of described oilhole (5), the oil that described oil stifled (2) is the sheet structure of arc for cross section blocks up.
2. crank pin black box according to claim 1, is characterized in that, the oil of the curved circular chip architecture that described oil stifled (2) is thickness uniformity blocks up.
3. crank pin black box according to claim 2, is characterized in that, press-fit in described crank pin (1) in relative with described oilhole (5) of inner side end of the arcuate structure of described oil stifled (2).
4. crank pin black box according to claim 1, is characterized in that, described matching hole (3) is the reverse taper holes increased gradually to described matching hole (3) inside diameter along described matching hole (3) outside.
5. crank pin black box according to claim 4, is characterized in that, the angle that the hole of described reverse taper holes is tilted towards hole is 3 degree.
6. crank pin black box according to claim 1, is characterized in that, the degree of depth of described matching hole (3) is 1-3 times of stifled (2) thickness of described oil.
7. crank pin black box according to claim 1, is characterized in that, the degree of depth of described matching hole (3) is 1-2 times of stifled (2) thickness of described oil.
8. crank pin black box according to claim 1, it is characterized in that, the pin wall of described crank pin offers the oil inlet hole (4) and oil outlet (6) that are communicated with described oilhole (5) respectively, the perforate direction of described oil inlet hole (4) is along the radial arrangement of described crank pin.
9. a crankshaft of motorcycle connecting rod ASSY, is characterized in that, comprise bent axle, connecting rod and crank pin black box that suit coordinates, described crank pin black box is crank pin black box as described in any one of claim 1 to 8.
10. a motorcycle, be provided with motor and be arranged at described in-engine motorcycle crank connecting rod ASSY, it is characterized in that, described motorcycle crank connecting rod ASSY is motorcycle crank connecting rod ASSY as above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598776.8A CN104389678B (en) | 2014-10-29 | 2014-10-29 | Motorcycle, motorcycle crank connecting rod ASSY and crank-pin seal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598776.8A CN104389678B (en) | 2014-10-29 | 2014-10-29 | Motorcycle, motorcycle crank connecting rod ASSY and crank-pin seal assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104389678A true CN104389678A (en) | 2015-03-04 |
| CN104389678B CN104389678B (en) | 2017-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410598776.8A Active CN104389678B (en) | 2014-10-29 | 2014-10-29 | Motorcycle, motorcycle crank connecting rod ASSY and crank-pin seal assembly |
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| CN (1) | CN104389678B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899375A (en) * | 2019-04-24 | 2019-06-18 | 青岛德盛机械制造有限公司 | Crank-pin and its manufacturing method for engine |
| CN111963880A (en) * | 2020-08-07 | 2020-11-20 | 中国北方发动机研究所(天津) | Oil plug with self-sealing function |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6483912A (en) * | 1987-09-24 | 1989-03-29 | Yamaha Motor Co Ltd | Connecting portion structure between crank shaft and connecting rod |
| CN2608701Y (en) * | 2003-03-20 | 2004-03-31 | 重庆力帆实业（集团）有限公司 | Lower-mounted cam-type crank linking rod |
| US20040099088A1 (en) * | 2002-09-30 | 2004-05-27 | Tatsuo Suzuki | Assembly type crankshaft |
| CN101105206A (en) * | 2007-08-02 | 2008-01-16 | 力帆实业(集团)有限公司 | Motorcycle engine vibration damping device |
| CN201074653Y (en) * | 2007-08-03 | 2008-06-18 | 力帆实业(集团)股份有限公司 | Monopodium balance mechanism of motorcycle engine |
| US7418939B2 (en) * | 2006-07-14 | 2008-09-02 | Harley-Davidson Motor Company Group, Inc. | Crankshaft assembly with coated crank pin |
| CN201125781Y (en) * | 2007-12-04 | 2008-10-01 | 江门天钇金属工业有限公司 | Post rod type motorcycle engine |
| CN201202506Y (en) * | 2008-05-30 | 2009-03-04 | 翁光敏 | Motorcycle crankshaft connecting rod system with improved lubricant oil way |
| CN201321894Y (en) * | 2008-12-04 | 2009-10-07 | 重庆歇马机械曲轴有限公司 | Crank shaft connecting rod assembly of motor cycle engine |
| CN101798954A (en) * | 2009-02-10 | 2010-08-11 | 重庆动源摩托车配件销售有限公司 | Crank-connecting rod mechanism for engine of miniature cross-country motorcycle |
| CN201714441U (en) * | 2010-04-23 | 2011-01-19 | 江苏弘州金福车业有限公司 | Engine capable of lubricating crankshaft |
| US20130025563A1 (en) * | 2011-07-25 | 2013-01-31 | Justin Bramstedt | Engine including crank pin with angled oil passageway |
| CN203296859U (en) * | 2013-06-08 | 2013-11-20 | 重庆宗申发动机制造有限公司 | Crank pin used for motorcycle engine |
| CN203335234U (en) * | 2013-06-28 | 2013-12-11 | 力帆实业(集团)股份有限公司 | Crank-link mechanism suitable for motorcycle engine |
| CN103758608A (en) * | 2014-01-03 | 2014-04-30 | 江苏罡阳股份有限公司 | Crankshaft connecting rod assembly |
| CN203685336U (en) * | 2014-01-03 | 2014-07-02 | 江苏罡阳股份有限公司 | Crankshaft and connecting rod assembly |
| CN204253181U (en) * | 2014-10-29 | 2015-04-08 | 青岛德盛机械制造有限公司 | Motorcycle, motorcycle crank connecting rod ASSY and crank pin black box |
-
2014
- 2014-10-29 CN CN201410598776.8A patent/CN104389678B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6483912A (en) * | 1987-09-24 | 1989-03-29 | Yamaha Motor Co Ltd | Connecting portion structure between crank shaft and connecting rod |
| US20040099088A1 (en) * | 2002-09-30 | 2004-05-27 | Tatsuo Suzuki | Assembly type crankshaft |
| CN2608701Y (en) * | 2003-03-20 | 2004-03-31 | 重庆力帆实业（集团）有限公司 | Lower-mounted cam-type crank linking rod |
| US7418939B2 (en) * | 2006-07-14 | 2008-09-02 | Harley-Davidson Motor Company Group, Inc. | Crankshaft assembly with coated crank pin |
| CN101105206A (en) * | 2007-08-02 | 2008-01-16 | 力帆实业(集团)有限公司 | Motorcycle engine vibration damping device |
| CN201074653Y (en) * | 2007-08-03 | 2008-06-18 | 力帆实业(集团)股份有限公司 | Monopodium balance mechanism of motorcycle engine |
| CN201125781Y (en) * | 2007-12-04 | 2008-10-01 | 江门天钇金属工业有限公司 | Post rod type motorcycle engine |
| CN201202506Y (en) * | 2008-05-30 | 2009-03-04 | 翁光敏 | Motorcycle crankshaft connecting rod system with improved lubricant oil way |
| CN201321894Y (en) * | 2008-12-04 | 2009-10-07 | 重庆歇马机械曲轴有限公司 | Crank shaft connecting rod assembly of motor cycle engine |
| CN101798954A (en) * | 2009-02-10 | 2010-08-11 | 重庆动源摩托车配件销售有限公司 | Crank-connecting rod mechanism for engine of miniature cross-country motorcycle |
| CN201714441U (en) * | 2010-04-23 | 2011-01-19 | 江苏弘州金福车业有限公司 | Engine capable of lubricating crankshaft |
| US20130025563A1 (en) * | 2011-07-25 | 2013-01-31 | Justin Bramstedt | Engine including crank pin with angled oil passageway |
| CN203296859U (en) * | 2013-06-08 | 2013-11-20 | 重庆宗申发动机制造有限公司 | Crank pin used for motorcycle engine |
| CN203335234U (en) * | 2013-06-28 | 2013-12-11 | 力帆实业(集团)股份有限公司 | Crank-link mechanism suitable for motorcycle engine |
| CN103758608A (en) * | 2014-01-03 | 2014-04-30 | 江苏罡阳股份有限公司 | Crankshaft connecting rod assembly |
| CN203685336U (en) * | 2014-01-03 | 2014-07-02 | 江苏罡阳股份有限公司 | Crankshaft and connecting rod assembly |
| CN204253181U (en) * | 2014-10-29 | 2015-04-08 | 青岛德盛机械制造有限公司 | Motorcycle, motorcycle crank connecting rod ASSY and crank pin black box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899375A (en) * | 2019-04-24 | 2019-06-18 | 青岛德盛机械制造有限公司 | Crank-pin and its manufacturing method for engine |
| CN111963880A (en) * | 2020-08-07 | 2020-11-20 | 中国北方发动机研究所(天津) | Oil plug with self-sealing function |
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| Publication number | Publication date |
|---|---|
| CN104389678B (en) | 2017-06-30 |
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