CN2604541Y - Cycloid oil pump for motor engine - Google Patents
Cycloid oil pump for motor engine Download PDFInfo
- Publication number
- CN2604541Y CN2604541Y CN 03233177 CN03233177U CN2604541Y CN 2604541 Y CN2604541 Y CN 2604541Y CN 03233177 CN03233177 CN 03233177 CN 03233177 U CN03233177 U CN 03233177U CN 2604541 Y CN2604541 Y CN 2604541Y
- Authority
- CN
- China
- Prior art keywords
- gear
- main shaft
- pin
- oil pump
- rotor
- 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.)
- Expired - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000010716 motorcycle engine oil Substances 0.000 claims 3
- 239000003921 oil Substances 0.000 claims 3
- 238000005461 lubrication Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000314 lubricant Substances 0.000 abstract 3
- 238000009434 installation Methods 0.000 abstract 1
- 230000001788 irregular Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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[Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The utility model belongs to a lubricant pump which is a motorcycle part and performs a function of lubrication. The utility model comprises a body equipped with a rotor chamber, a main shaft hole, a fixation bolt hole and an installation bolt hole, an internal rotor at a cycloidal gear, an external rotor at a cycloidal gear, a pin slot equipped at the external side of the internal rotor, a n-shape gear, a main shaft, a pin equipped at the main shaft and a cover plate equipped with a pair of lune oil ducts. Because the lubricant pump uses an irregular gear to replace three sets of gears which are used at prior art to act as a power gear and raises a speed ratio, at the same time, a put gear shaft and a sealed end cover are abandoned, and the pin and the pin slot are moved to be equipped at the external end close to the cover plate, thereby, the lubricant pump is characterized by simple but reliable structure, small outline, light mass, lower manufacture cost, large flow rate, effectively improving a lubrication effect and being prevent a locking phenomena caused an excessive temperature rise at the engine. The utility model eliminates the defects caused by prior art including a complicated structure, a large outline, a lower speed ratio, a small flow rate, a poor effect of lubrication, a poor safety of service and a high manufacture cost.
Description
Technical field
The utility model belongs to a kind of lubricated oil pump of using in the motorcycle part, the particularly a kind of and matched cycloid wheel oil pump of motorcycle engine.
Background technique
At present, with motorcycle with the supporting oil pump of automatic wave system row motor, as comprising the pump housing and rotor chamber with the matched oil pump of automatic ripple CG150 h type engine h, be located at the inside and outside cycloid wheel rotor in the rotor chamber and be located at the pin groove of internal rotor the inner, the end cap that drives main shaft that internal rotor rotates and pin, two groups of gears that are connected with the main shaft outer end and two gears are encapsulated in the chamber and join together with the pump housing, with the rotor chamber cover plate of a pair of crescent shape oil duct, the external gear that is connected with power source.This type of oil pump is owing to adopting three groups of gears, just power being reached main shaft and pass through its drive working rotor through three grades of transmissions, thereby have complex structure, volume is big, rotating ratio is little (i=0.3436), flow is little, poor, the temperature rise of lubrication effect, gearshift may produce locking phenomenon when running at high speed, cause potential safety hazard, and disadvantage such as cost of production height.In addition, because pin and pin groove are located at the inner near the rotor chamber bottom, moving because of the main shaft string when having work again, pin easily scratches the aluminium matter pump housing and produces the aluminium bits, influences defectives such as pump housing performance.
Summary of the invention
The purpose of this utility model is a kind of motorcycle engine of research and design cycloid wheel oil pump, simplifies structure to reach, reduces volume, improves flow and lubrication effect and reliability, and purpose such as reduce production costs.
Solution of the present utility model is with the power transmission tooth wheels of being made up of the tertiary gear transmission arranged of " L " type of former being, and changes to be made as by " ∏ " type gear transmission, improves its rotating ratio simultaneously, thereby realizes its purpose.Therefore, the utility model comprises the pump housing that is provided with rotor chamber, spindle hole and fastening screw and screw is installed, inside and outside cycloid wheel rotor and be located at pin groove on the internal rotor, and power gear, main shaft and pin provided thereon are provided with the cover plate of a pair of crescent shape oil duct; Key is that power gear only is one " ∏ " generating gear, and this gear and main shaft outer end are tightened to one; And on the cover board also be provided with a main shaft supporting hole, the stability when improving main shaft and driving rotor motion.The rotating ratio of above-mentioned oil pump is i=0.45～0.50, to improve its flow.And cause pin to scratch the aluminium matter pump housing because of axial displacement during for fear of the motion of main shaft and gear assembly and produce the aluminium bits and then influence the performance of oil pump, pin groove on its internal rotor and the pin on the main shaft are located at the outer end of abut against cover.When power gear adopts the nylon-type gear, also be provided with a plate body formula metal insert at the middle part that gear mass cooperates with main shaft, to improve the contact strength of nylon gear and main shaft.
The utility model is owing to change the power gear group of being made up of three groups of gears in the background technique by a direct transmission of special shape gear into, and saved simultaneously fixed gear shaft and the sealing gear end cap, thereby simplify the structure, reduced the volume of oil pump, reduce about 50% with the weight of the more whole oil pump of background technique, simultaneously rotating ratio is brought up to 0.45～0.50 by about 0.35 of background technique, increased flow effectively; In addition, pin and pin groove that main shaft and internal rotor are directly cooperated change the outer end of being located at abut against cover, from and overcome the oil pump working procedure because of the moving pin that causes of the string of main shaft and scratched disadvantages such as the pump housing.Thereby the utlity model has simple in structurely, reliable, and volume is little, in light weight, and cost of production is low, and flow is big, has effectively improved lubrication effect, can avoid motor because of characteristics such as the too high generation locking phenomenons of temperature rise.
Accompanying drawing and description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the A-A view.
Among the figure: 1, power gear, 2, inserts, 3, main shaft, 4, back-up ring, 5, the pump housing, 6, external rotor, 7, internal rotor, 8,11: crescent shape oil duct, 9, pin, 10, the pin groove, 12, cover plate, 13, clamping bolt (hole), 14, screw is installed, 15, the main shaft supporting hole.
Embodiment
Present embodiment with supporting with automatic ripple CG150 h type engine h be example with oil pump; Power gear 1 tip diameter φ 72mm, root diameter φ 64mm, tooth number Z=39 teeth, modulus m=1.75, the axial thick 5.5mm of denticle, gear height 22mm, the thick 5mm of gear top disk body, the central principal axis hole is half-cylindrical hole, diameter phi 7mm, the high 1mm of arcuate indentation (being the high 6mm of semiaxis part) inserts 2 is the 45# deformed steel flats, and thick 2mm and nylon gear hot pressing form one.The pump housing 5 external diameter φ 48mm, high 16.1mm, the physical dimension of offset, fastening screw keyhole 13 and the external rotor 6 of its upper rotor part chamber diameter, the degree of depth, spindle hole is all same with background technique, and two install screws 14, diameter phi 13mm, two hole centre distance 34mm; Parameters such as the thickness of internal rotor 7, the number of teeth, top circle, root circle and center-hole diameter are also same with background technique, but pin groove 10 is located at the outer end of internal rotor 7, and its structure, size are also same with background technique.Main shaft 3 long 27mm, diameter phi 7mm, the thick 6mm column pin hole of the semicolumn that its outer end cooperates with gear 1 is a through hole, nominal diameter φ 2.7mm, hole centre distance opening cotter way upper-end surface 19.5mm.Cover plate 12 external shape, thickness and on fastening screw keyhole 13, crescent shape oil duct 8,11 also with background technique with, the main shaft supporting hole 15 diameter 7.0mm on it, dark 3mm.Present embodiment rotating ratio I=0.4872, its flow is the 4.9L/ branch when speed of crankshaft is 8000rpm, improves 40% than background technique, and oil pump only is 115g heavily, reduces by 49% than background technique.
Claims (4)
1, a kind of motorcycle engine cycloid wheel oil pump, comprise the pump housing that is provided with rotor chamber, spindle hole and fastening screw and screw is installed, inside and outside cycloid wheel rotor and be located at pin groove on the internal rotor, power gear, main shaft and pin provided thereon are provided with the cover plate of a pair of crescent shape oil duct; It is characterized in that power gear only is one " ∏ " generating gear, this gear and main shaft outer end are tightened to one; And on the cover board also be provided with a main shaft supporting hole.
2, by the described motorcycle engine oil pump of claim 1; The rotating ratio that it is characterized in that this oil pump is i=0.45～0.50.
3, by the described motorcycle engine oil pump of claim 1; It is characterized in that the outer end that pin groove on the internal rotor and the pin on the main shaft are located at abut against cover.
4, by the described motorcycle engine oil pump of claim 1; It is characterized in that when power gear adopts the nylon-type gear, also being provided with a plate body formula metal insert at the middle part that gear mass cooperates with main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03233177 CN2604541Y (en) | 2003-02-14 | 2003-02-14 | Cycloid oil pump for motor engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03233177 CN2604541Y (en) | 2003-02-14 | 2003-02-14 | Cycloid oil pump for motor engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2604541Y true CN2604541Y (en) | 2004-02-25 |
Family
ID=34165639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03233177 Expired - Lifetime CN2604541Y (en) | 2003-02-14 | 2003-02-14 | Cycloid oil pump for motor engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2604541Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245279A (en) * | 2013-04-25 | 2013-08-14 | 自贡市川力实业有限公司 | Inspection tester for symmetry degrees of axial parts |
| CN110939691A (en) * | 2020-02-24 | 2020-03-31 | 盛瑞传动股份有限公司 | Compound planetary transmission device |
-
2003
- 2003-02-14 CN CN 03233177 patent/CN2604541Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245279A (en) * | 2013-04-25 | 2013-08-14 | 自贡市川力实业有限公司 | Inspection tester for symmetry degrees of axial parts |
| CN103245279B (en) * | 2013-04-25 | 2015-12-02 | 自贡市川力实业有限公司 | A kind of axial workpiece symmetry somascope |
| CN110939691A (en) * | 2020-02-24 | 2020-03-31 | 盛瑞传动股份有限公司 | Compound planetary transmission device |
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Expiration termination date: 20130218 Granted publication date: 20040225 |
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