CN204238994U - A kind of motorcycle, motorcycle engine and electricity thereof start distribution cam axle core - Google Patents
A kind of motorcycle, motorcycle engine and electricity thereof start distribution cam axle core Download PDFInfo
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- CN204238994U CN204238994U CN201420707034.XU CN201420707034U CN204238994U CN 204238994 U CN204238994 U CN 204238994U CN 201420707034 U CN201420707034 U CN 201420707034U CN 204238994 U CN204238994 U CN 204238994U
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- axle core
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- groove
- interior edge
- cam axle
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Abstract
The electricity that the utility model discloses a kind of motorcycle engine starts distribution cam axle core, the path section comprising large footpath section and be connected with described large footpath section, and described large footpath section is provided with on the interior edge face towards described path section can the groove of splendid attire lubricant oil.The electricity of motorcycle engine disclosed in the utility model starts distribution cam axle core, and its inside ceaselessly can provide lubricant oil, and a part is from outer surface ejection, and for oilgear sidewall, another part flow in the groove on the section interior edge face of large footpath.Therefore, when timing gear end face contacts with interior edge face, lubricant oil will be scraped in the groove be arranged on interior edge face, the end face of whole timing gear and the interior edge face of large footpath section is infiltrated when High Rotation Speed, thus realize the effect of similar splash lubrication, and then eliminate the ablated risk of timing gear end face, improve reliability and the working life of mechanical parts.The invention also discloses a kind of motorcycle engine and a kind of motorcycle.
Description
Technical field
The utility model relates to motorcycle manufacturing technology field, and particularly a kind of electricity of motorcycle engine starts distribution cam axle core.The utility model also relates to a kind of motorcycle engine comprising above-mentioned electricity startup distribution cam axle core, and a kind of motorcycle comprising above-mentioned motorcycle engine.
Background technique
Along with the development of Chinese mechanical industry, related industry also makes great progress.Such as, with the motorcycle manufacturing technology that small displacement internal-combustion engine is core.Although the engine displacement of motorcycle is generally little than the motor of automobile, the function that the motor of motorcycle possesses and system few unlike the motor of automobile.
With igniting be example, at present, the mode that the starting bar that tramps with one's feet still adopted by most of motorcycle makes plug ignition and ato unit.Therefore, the startup distribution cam axle core that uses of main flow motorcycle on the market or traditional pin starts axle core.But now general motorcycle can both have two covers and start scheme, start except traditional pin, also have more advanced electricity to start.And traditional pin startup distribution cam axle core can be directly used in electricity startup, is called that electricity starts distribution cam axle core.
But, the outer wall starting distribution cam axle core due to electricity is equipped with timing gear, timing gear High Rotation Speed when igniting is work, and because the construction machine of the internal-combustion engine of motorcycle is relatively simple, inner space is optimized not good, and vibration is comparatively violent, and it is unstable that this can cause the electricity timing gear started on distribution cam axle core to rotate, easily follow the vibration of motor and swing, causing the end face severe friction of its end face and camshaft core, beat the phenomenons such as tooth.Therefore there is the ablated hidden danger of timing gear end face in electricity startup distribution cam axle core of the prior art.
Model utility content
The electricity that the purpose of this utility model is to provide a kind of motorcycle engine starts distribution cam axle core, by improving the structural design of axle core, effectively can eliminate the ablated risk of timing gear end face.Another object of the present utility model is to provide a kind of motorcycle engine comprising above-mentioned electricity startup distribution cam axle core, and a kind of motorcycle comprising above-mentioned motorcycle engine.
For solving the problems of the technologies described above, the utility model provides a kind of electricity of motorcycle engine to start distribution cam axle core, the path section comprising large footpath section and be connected with described large footpath section, described large footpath section is provided with on the interior edge face towards described path section can the groove of splendid attire lubricant oil.
Preferably, described groove is cuboid groove, and its length direction has run through and is arranged at the tool withdrawal groove of described interior edge face central authorities and the edge of described interior edge face.
Preferably, the length direction of described cuboid groove is the radial direction of described interior edge face.
Preferably, the quantity of described groove is 2-4.
Preferably, described groove is uniformly distributed around the circumference of described interior edge face.
Preferably, the diameter being arranged at the oilhole of described path intersegmental part is 6-8mm.
Preferably, the sidewall of described large footpath section is smooth surface.
The utility model also provides a kind of motorcycle engine, comprise electricity startup valve cam and be built in the described electric electricity starting valve cam and start distribution cam axle core, wherein, described electricity starts distribution cam axle core for the electricity startup distribution cam axle core described in above-mentioned any one.
The utility model also provides a kind of motorcycle, and comprise vehicle body and the motorcycle engine being built in described vehicle body, wherein, described motorcycle engine is the motorcycle engine described in the next item up.
The electricity of motorcycle engine provided by the utility model starts distribution cam axle core, comprise the larger large footpath section of diameter and the less path section of diameter, and large footpath section is connected with path section.Large footpath section has two end faces, and wherein, the end face towards path section is interior edge face, and is provided with groove on interior edge face, and this groove can splendid attire lubricant oil, is commonly referred to as oil groove.Electricity provided by the utility model starts distribution cam axle core, when normal operation, be assemblied in the timing gear High Rotation Speed that electricity starts distribution cam axle core outer surface, and the interior edge face of one side end face and large footpath section distance closely, under the impact of the factor such as machining error and mechanical vibration, the end face of timing gear very easily with the interior edge face severe friction of large footpath section.Simultaneously when normal operation, electricity starts distribution cam axle core inner ceaselessly can provide lubricant oil, a part sprays from outer surface, for lubricating timing gear sidewall, another part then can flow in the groove on the interior edge face of large footpath section in the gap along between the outer surface that the sidewall of timing gear endoporus and electricity start distribution cam axle core.Therefore, when timing gear end face contacts with interior edge face, lubricant oil will be scraped in the groove be arranged on interior edge face, infiltrate the end face of whole timing gear and the interior edge face of large footpath section when High Rotation Speed, thus realize the effect of similar splash lubrication.To sum up, the electricity of motorcycle engine provided by the utility model starts distribution cam axle core, by being arranged on the groove on the interior edge face of large footpath section, splendid attire lubricant oil, thus when timing gear end face contacts with the interior edge face of large footpath section, mutual lubrication, and then eliminate the ablated risk of timing gear end face, improve reliability and the working life of mechanical parts.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment 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 embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the overall structure sectional view of the first embodiment provided by the utility model;
Fig. 2 is the plan view of the electricity startup distribution cam axle core shown in Fig. 1;
Fig. 3 is the overall structure sectional view of the second embodiment provided by the utility model.
Wherein, in Fig. 1-Fig. 3:
Section-1, large footpath, path section-2, interior edge face-101, groove-3, tool withdrawal groove-4, oilhole-5.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, Fig. 1 is the overall structure sectional view of the first embodiment provided by the utility model.
In the first embodiment provided by the utility model, the electricity of motorcycle engine starts distribution cam axle core, mainly comprises two-part: the large footpath section 1 that diameter is larger and the less path section 2 of diameter, and large footpath section 1 and path section 2 link into an integrated entity.
Wherein, large footpath section 1 is the bearing end that electricity starts distribution cam axle core, and overall in cylindric, it has two end faces, and one of them is the interior edge face 101 towards path section 2.Path section 2 is assembling ends that electricity starts distribution cam axle core, overall in oval column, is equipped with timing gear, is generally all provided with oilhole 5 therein at its outer surface.It is inner that lubricant oil can enter into path section 2 by this oilhole 5, and then by being arranged on the various holes ejection on path section 2 surface, thus lubrication is assemblied in the sidewall of the timing gear of path section 2 outer surface.Large footpath section 1 is connected with path section 2, and its junction surface is exactly interior edge face 101.And consider the requirement of production technology in engineering, at the connection root of large footpath section 1 with path section 2, namely the middle position of interior edge face 101 is also provided with tool withdrawal groove 4.
When the electricity of motorcycle engine starts distribution cam axle core normal operation, be assemblied in the timing gear High Rotation Speed on path section 2 outer surface.Now, lubricant oil enters from the oilhole 5 of path section 2 inside, and then sprays from the hole of path section 2 outer surface, directly lubricates the wall portion of timing gear.Because structural design is compact, the end face of timing gear and the interior edge face 101 of large footpath section 1 very close, generally, both can not produce contact and friction, but owing to there being the existence of machining error, and the impact of mechanical vibration in mechanical movement process, very easily cause timing gear when High Rotation Speed, its end face contacts firmly with the interior edge face 101 of large footpath section 1, thus severe friction, if fricative heat cannot be dispersed in time, then easily cause the accident that timing gear end face is ablated.
As shown in Figure 2, Fig. 2 is the plan view of the electricity startup distribution cam axle core shown in Fig. 1.
For this, the utility model is provided with groove 3 on the interior edge face 101 of large footpath section 1, after lubricant oil sprays from oilhole 5, wherein a part along the gap between the sidewall of timing gear endoporus and the electric outer surface starting distribution cam axle core toward exosmosis, therefore now just can be able to flow in the groove 3 on the interior edge face 101 of large footpath section 1.Therefore, when electricity starts distribution cam axle core normal operation, if timing gear are due to machining error, hard contact is there is in the factors such as mechanical vibration with the interior edge face 101 of large footpath section 1, then timing gear will scrape parts of lubricating oil when connecting with interior edge face 101 from groove 3, under the drive of self High Rotation Speed, infiltrate the whole interior edge face 101 to the whole end face of timing gear and large footpath section 1, thus make the contact of the interior edge face 101 of the end face of timing gear and large footpath section 1 change into wet friction by dry friction originally, also utilize the characteristic absorption of lubricant oil due to fricative heat while reducing the friction factor between two end faces, heat radiation timely ensure that the metallic property.So invariance of timing gear, and then the risk that the end face eliminating timing gear is ablated, improve reliability and the working life of timing gear.
And in order to improve the lubrication effect of groove 3, preferably, groove 3 is set to cuboid groove, and the length direction of this cuboid groove has run through and has been arranged on the tool withdrawal groove 4 of interior edge face 101 central authorities and the edge of interior edge face 101.Setting like this, making the lubricant oil of ejection from oilhole 5 when flowing out from the outer surface of path section 2 on the one hand, can be aggregated more easily in groove 3; On the other hand, because groove 3 has run through whole interior edge face 101, and communicate with the tool withdrawal groove 4 being arranged on central authorities, the lubricants capacity that can simultaneously hold is more, therefore when the end face of timing gear is in contact with it and rubs, any position in the radial direction of timing gear end face at the first moment contact lubricated oil, and can infiltrate rapidly whole end face when High Rotation Speed.Certainly, groove 3 is not limited in the form of cuboid groove, all the other such as common ball recess, and the forms such as keyway also can adopt.
Connect above-mentioned, if now overlook the installation situation of this groove 3 and interior edge face 101, can determine intuitively, groove 3 is just similar to the helical gear gear teeth and is generally arranged on interior edge face 101, or the form being similar to infrared radiation is arranged on interior edge face 101.Herein preferably, the set-up mode of groove 3 on interior edge face 101 is the latter, and namely the length direction of cuboid groove overlaps with the radial direction of interior edge face 101.Such set-up mode, mach cost is lower.Certainly, as previously mentioned, the radial direction of the length direction of cuboid groove and interior edge face 101 can also to be adopted herein to have certain angle, is similar to helical gear form.
In order to improve the lubrication effect of groove 3 further, the present embodiment is provided with 2-4 grooves on interior edge face 101, multiple groove exists simultaneously, can when the end face of timing gear contacts with the interior edge face 101 of large footpath section 1, contact lubricated oil while of in multiple directions, when High Rotation Speed, lubricant oil can be more promptly made to infiltrate the end face of whole timing gear.Herein preferably, the quantity of the groove 3 interior edge face 101 arranged is 2.Setting like this, groove 3, on the basis meeting aforementioned rapid infiltration timing gear end face, can also ensure that large footpath section 1 has enough strength and stiffness, avoids occurring that because arranging too much groove bulk material is not enough, and then occurs the situation that mechanical property weakens.
The deployment scenarios of multiple groove on interior edge face 101 can affect lubrication effect equally.Preferably, groove 3 is looped around in the circumferential direction of interior edge face 101, and is uniformly distributed.That is, if the quantity of groove 3 is 2, then groove 3 is just distributed in any of interior edge face 101 and is diametrically symmetrical arranged, and angle is 180 °; If the quantity of groove 3 is 3, then groove 3 is just similar in interior edge face 101 and connects equilateral triangle, is distributed on the line in the summit of equilateral triangle and the center of circle of interior edge face 101, and the angle of adjacent groove 3 is 120 °; If the quantity of groove 3 is 4, then groove 3 is just similar to the two-dimensional direct angle coordinate system that initial point is the center of circle, and in the X-axis being distributed in rectangular coordinate system and Y-axis, the angle of adjacent two grooves 3 is 90 °.Therefore, if groove 3 takes any one set-up mode among above-mentioned three kinds on interior edge face 101, when carrying out machining to interior edge face 101, can be shaping more easily, reduce cost of production.Uniform distribution mode simultaneously, can make, when electricity starts distribution cam axle core and timing gear carry out relative movement, to reach dynamic equilibrium state than being easier to, thus avoids the situation because of the unbalance end-face friction aggravation caused.
It is pointed out that the distribution situation of groove 3 on interior edge face 101 herein, in fact can arrange arbitrarily, uneven and random distribution mode can reach the purpose of this utility model equally.
Further, the sidewall of large footpath section 1 is set to smooth curved surface by the present embodiment.In contrast in prior art, when electricity being started distribution cam axle core and being applied to pin startup, need the oil sealing groove that ring-type is set on the sidewall of large footpath section 1, and electricity provided by the utility model starts distribution cam axle core when being applied to electricity and starting, then without the need to arranging oil sealing groove on the sidewall of large footpath section 1, because this reducing the link of technology chain, improve manufacturing efficiency, reducing human cost.
The present embodiment also provides a kind of motorcycle engine, and comprise electricity and start valve cam and be built in the electricity startup distribution cam axle core that this electricity starts valve cam, wherein, it is identical with foregoing that electricity starts distribution cam axle core, repeats no more herein.
The present embodiment also provides a kind of motorcycle, and comprise vehicle body and the motorcycle engine being built in this vehicle body, wherein, motorcycle engine is identical with foregoing, repeats no more herein.
Please refer to Fig. 3, Fig. 3 is the overall structure sectional view of the second embodiment provided by the utility model.
The second embodiment provided by the utility model, the basis of the first embodiment is improved, is specially: the diameter of the oilhole 5 be arranged in path section 2 is set to 6-8mm.The remaining part that the electricity that the present embodiment provides starts distribution cam axle core is identical with foregoing teachings, repeats no more herein.
In the second embodiment, the diameter being arranged on the oilhole 5 of path section 2 inside is improved to 6 by 5mm conventional in former engineering, 7, any number between 8mm or 6-8mm.
In the prior art, path section 2 inside diameter is the oilhole 5 of 5mm, and its processing mode is by the restriction of self structure size, drilling machine can only be taked to carry out boring the mode of processing, be unfavorable for the technological flexibility and the interchangeability that develop machining, and work post is single, manufacturing efficiency is lower.The diameter of oilhole 5 is improved to 6 by the present embodiment, 7, after any number between 8mm or 6-8mm, first this oilhole 5 can be processed by the mode of forging, also still can process with drilling machine of course simultaneously, kinds of processes is exchanged, improve the flexibility of technology chain, and adopt the mode of forging, be more conducive to the batch production of factory floor.Prior, the oilhole 5 of diameter between 6-8mm, it also increases the saturation of lubricant oil, this is by more abundant for the lubrication made between the interior edge face 101 of the end face of timing gear and large footpath section 1, lubrication effect is better, thus avoid because the friction between timing gear end face and interior edge face 101 is too violent and cause lubricant oil not enough, make the risk that timing gear end face is ablated.
The present embodiment also provides a kind of motorcycle engine, and comprise electricity and start valve cam and be built in the electricity startup distribution cam axle core that this electricity starts valve cam, wherein, it is interior with identical with above-mentioned that electricity starts distribution cam axle core, repeats no more herein.
The present embodiment also provides a kind of motorcycle, and comprise vehicle body and the motorcycle engine being built in this vehicle body, wherein, motorcycle engine is identical with foregoing, repeats no more herein.
Claims (9)
1. the electricity of a motorcycle engine starts distribution cam axle core, the path section (2) comprising large footpath section (1) and be connected with described large footpath section (1), it is characterized in that, described large footpath section (1) is provided with on the interior edge face (101) towards described path section (2) can the groove (3) of splendid attire lubricant oil.
2. electricity according to claim 1 starts distribution cam axle core, it is characterized in that, described groove (3) is cuboid groove, and its length direction has run through the edge being arranged at the central tool withdrawal groove (4) of described interior edge face (101) and described interior edge face (101).
3. electricity according to claim 2 starts distribution cam axle core, and it is characterized in that, the length direction of described cuboid groove is the radial direction of described interior edge face (101).
4. electricity according to claim 1 starts distribution cam axle core, and it is characterized in that, the quantity of described groove (3) is 2-4.
5. electricity according to claim 4 starts distribution cam axle core, and it is characterized in that, described groove (3) is uniformly distributed around the circumference of described interior edge face (101).
6. electricity according to claim 1 starts distribution cam axle core, it is characterized in that, the diameter being arranged at the inner oilhole (5) of described path section (2) is 6-8mm.
7. electricity according to claim 1 starts distribution cam axle core, and it is characterized in that, the sidewall of described large footpath section (1) is smooth surface.
8. a motorcycle engine, comprise electricity startup valve cam and be built in the described electric electricity starting valve cam and start distribution cam axle core, it is characterized in that, described electricity starts distribution cam axle core for the electricity startup distribution cam axle core described in any one of claim 1-7.
9. a motorcycle, comprise vehicle body and the motorcycle engine being built in described vehicle body, it is characterized in that, described motorcycle engine is motorcycle engine according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420707034.XU CN204238994U (en) | 2014-11-21 | 2014-11-21 | A kind of motorcycle, motorcycle engine and electricity thereof start distribution cam axle core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420707034.XU CN204238994U (en) | 2014-11-21 | 2014-11-21 | A kind of motorcycle, motorcycle engine and electricity thereof start distribution cam axle core |
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| Publication Number | Publication Date |
|---|---|
| CN204238994U true CN204238994U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420707034.XU Expired - Fee Related CN204238994U (en) | 2014-11-21 | 2014-11-21 | A kind of motorcycle, motorcycle engine and electricity thereof start distribution cam axle core |
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| CN (1) | CN204238994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649709A (en) * | 2016-03-25 | 2016-06-08 | 力帆实业(集团)股份有限公司 | Lubricating structure of motorcycle engine timing system |
-
2014
- 2014-11-21 CN CN201420707034.XU patent/CN204238994U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649709A (en) * | 2016-03-25 | 2016-06-08 | 力帆实业(集团)股份有限公司 | Lubricating structure of motorcycle engine timing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20191121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |