CN203584501U - Strong lubricating crankcase and gasoline engine thereof - Google Patents
Strong lubricating crankcase and gasoline engine thereof Download PDFInfo
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- CN203584501U CN203584501U CN201320642907.9U CN201320642907U CN203584501U CN 203584501 U CN203584501 U CN 203584501U CN 201320642907 U CN201320642907 U CN 201320642907U CN 203584501 U CN203584501 U CN 203584501U
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- crankshaft
- breach
- crankcase
- collection chamber
- crankshaft hole
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Abstract
The utility model discloses a strong lubricating crankcase which comprises a crankcase body and a crankcase cover matched with the crankcase body. Crankshaft holes are formed in the crankcase body and the crankcase cover. Crankshaft hole seats are arranged outside the crankshaft holes. Notches I are formed in the crankshaft hole seats of the crankcase body. An oil collecting cavity I for collecting splattered oil drops of the crankshaft is formed in the crankshaft body and communicated with the notches I. According to the strong lubricating crankcase and a gasoline engine of the strong lubricating crankcase, as the notches I are formed in the crankshaft hole seats of the crankcase body and the oil collecting cavity I communicated with the notches I forms a oil storage structure special for the crankshaft and a crankshaft bearing. The crankshaft rotates to collect the splattered oil drops into the oil collecting cavity I and the oil drops flow through the notches I to lubricate the moving crankshaft and the moving crankshaft bearing. Thus, lubricating with the splattered oil drops has strong directionality, lubricating is performed more fully, abrasion of the crankshaft and the crankshaft bearing is relieved, the service life of the gasoline engine is prolonged, the splattered oil drops are made full use of and the requirement for low cost of the gasoline engine, especial a general gasoline engine is met.
Description
Technical field
The utility model relates to a kind of power engine parts and application thereof, particularly a kind of gasoline engine part and application thereof.
Background technique
Petrol engine is a kind of dynamic power machine using gasoline for the fuel, and cylinder, connecting rod, gas distribution system, oil supply system, lubrication system and ignition system etc., partly consists of.General gasoline engines refers to except automobile-used, aviation are used to have the reciprocating piston petrol engine of extensive use, and general power is in 20kW, and large flexible is very strong, and what have is highly professional, so generally also referred to as miniature gasoline engine.The feature of general gasoline engines be simple in structure, use easy and simple to handle, with low costly, be mainly used in agricultural equipment for plant protection, graden machine, small machine, generator set, building machinery, fire-fighting series facility, kart for amusement, water-powered and model airplane power etc.Crankcase is one of critical piece of petrol engine, inside establishes the motion component such as bent axle, connecting rod, and case lid forms crankcase together with casing, and case lid is that shape is as dish according to forming through fine finishing after the contour shape casting of casing.
Petrol engine in the course of the work, the working surface of motion component is all rough, in order to prevent the dry friction between metalwork, petrol engine all needs to arrange lubrication system, continuously the enough clean machine oil of quantity is delivered to the friction surface of total movement component, between friction surface, formed oil film, realize liquid friction, thereby capable of reducing friction resistance, reduction power consumpiton, improve reliability and the durability of petrol engine work.The general crankcase especially crankcase of general gasoline engines adopts splash lubrication mode to be lubricated bent axle and crankshaft bearing, the oil droplet lubricating bearings that utilizes bent axle and the rotation of other revolving part to throw away.But, because crankshaft hole lacks special oil-bearing structure around, make to there is certain randomness for the splash lubrication of crankshaft bearing, cause lubricated insufficient, the wearing and tearing of aggravation bent axle and crankshaft bearing, affect petrol engine working life, and the oil droplet that splashed of waste, can not meet the especially low-cost requirement of general gasoline engines of petrol engine.
Therefore, be necessary the crankcase of petrol engine to improve, make it be provided with the special oil-bearing structure for bent axle and crankshaft bearing, strengthen the directionality of splash lubrication, make lubricated more fully, reduce the wearing and tearing of bent axle and crankshaft bearing, extend petrol engine working life, and make full use of the oil droplet having splashed, meet the especially low-cost requirement of general gasoline engines of petrol engine.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of strong lubricating type crankcase and petrol engine thereof, be provided with the special oil-bearing structure for bent axle and crankshaft bearing, strengthen the directionality of splash lubrication, make lubricated more fully, reduce the wearing and tearing of bent axle and crankshaft bearing, extend petrol engine working life, and make full use of the oil droplet having splashed, meet the especially low-cost requirement of general gasoline engines of petrol engine.
Strong lubricating type crankcase of the present utility model, comprise casing and with the suitable case lid of described casing, on described casing and case lid, be equipped with crankshaft hole, described crankshaft hole is equipped with crankshaft hole seat outward, casing crankshaft hole seat is provided with breach I, described casing is provided with for collecting the collection chamber I of the oil droplet that bent axle splashed, and described collection chamber I is communicated with described breach I.
Further, described breach I is located at the upper end of described casing crankshaft hole seat; The oil droplet being stored in collection chamber I can flow to motive position along breach I by self gravitation, reaches better lubrication effect.
Further, described casing crankshaft hole seat is positioned on the position of described breach I both sides and is connected with stiffening rib I, and the inwall of described stiffening rib I and described casing is connected to form collection chamber I; Casing crankshaft hole seat connects upper stiffening rib I, can strengthen the structural strength of casing crankshaft hole seat, can also form collection chamber I together with cabinet wall and crankshaft hole seat simultaneously, reaches the effect of a thing dual-purpose, saves material, further reduces production costs.
Further, the cross section of described breach I and collection chamber I is up big and down small trapezoidal; The top machine oil oil droplet of storing state is heavier than bottom machine oil oil droplet, more can make full use of oil droplet self gravitation, reaches better lubrication effect.
Further, case lid crankshaft hole seat is provided with breach II, and described case lid is provided with for collecting the collection chamber II of the oil droplet that bent axle splashed, and described collection chamber II is communicated with described breach II; By the collection chamber II that on case lid crankshaft hole seat, breach II is set and be communicated with breach II, form the special oil-bearing structure for bent axle and crankshaft bearing, the oil droplet that crankshaft rotating sputters is lubricated gathering bent axle and the crankshaft bearing to motion in collection chamber II and by breach II water conservancy diversion, therefore further make splash lubrication there is stronger directionality, make lubricated more abundant, reduce the wearing and tearing of bent axle and crankshaft bearing, extend petrol engine working life, and make full use of the oil droplet having splashed, meet the especially low-cost requirement of general gasoline engines of petrol engine.
Further, described breach II is located at the upper end of described case lid crankshaft hole seat; The oil droplet being stored in collection chamber II can flow to motive position along breach II by self gravitation, reaches better lubrication effect.
Further, described case lid crankshaft hole seat is positioned on the position of described breach II both sides and is connected with stiffening rib II, and the inwall of described stiffening rib II and described case lid is connected to form collection chamber II; Case lid crankshaft hole seat connects upper stiffening rib II, can strengthen the structural strength of case case lid crankshaft hole seat, can also form together collection chamber II by crankshaft hole seat simultaneously, reaches the effect of a thing dual-purpose, saves material, further reduces production costs.
Further, the cross section of described breach II and collection chamber II is wide at the top and narrow at the bottom trapezoidal; The top machine oil oil droplet of storing state is heavier than bottom machine oil oil droplet, more can make full use of oil droplet self gravitation, reaches better lubrication effect.
The invention also discloses a kind of petrol engine of applying described strong lubricating type crankcase, described strong lubricating type crankcase is installed on petrol engine.
The beneficial effects of the utility model: strong lubricating type crankcase of the present utility model and petrol engine thereof, by the collection chamber I that on casing crankshaft hole seat, breach I is set and be communicated with breach I, form the special oil-bearing structure for bent axle and crankshaft bearing, the oil droplet that crankshaft rotating sputters is lubricated gathering bent axle and the crankshaft bearing to motion in collection chamber I and by breach I water conservancy diversion, therefore make splash lubrication there is stronger directionality, make lubricated more abundant, reduce the wearing and tearing of bent axle and crankshaft bearing, extend petrol engine working life, and make full use of the oil droplet having splashed, meet the especially low-cost requirement of general gasoline engines of petrol engine, the utility model design is ingenious, simple for structure, has very strong practicability.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is the structural representation of casing of the present utility model;
Fig. 2 is the structural representation of case lid of the present utility model.
Embodiment
Fig. 1 is the structural representation of casing of the present utility model, Fig. 2 is the structural representation of case lid of the present utility model, as shown in the figure: the bent axle bottom type crankcase for petro engine of the present embodiment, comprise casing 1 and with the suitable case lid 2 of described casing, on described casing 1 and case lid 2, be equipped with crankshaft hole 13, the outer crankshaft hole seat (being respectively casing crankshaft hole seat 31 and case lid crankshaft hole seat 32) that is equipped with of described crankshaft hole 13, casing crankshaft hole seat 31 is provided with breach I 41, described casing 1 is provided with for collecting the collection chamber I 51 of the oil droplet that bent axle splashed, described collection chamber I 51 is communicated with described breach I 41, casing 1 is except having the crankshaft hole 13 that bent axle and crankshaft bearing are installed, also there is the camshaft hole 9 that camshaft and camshaft bearing are installed, casing crankshaft hole seat 31 protrudes from around crankshaft hole 13, between the inwall 11 of casing crankshaft hole seat 31 and casing 1 and other axis hole, be connected with stiffening rib, in order to strengthen the structural strength of this crankcase, by the collection chamber I 51 that on casing crankshaft hole seat 31, breach I 41 is set and is communicated with breach I 41, form the special oil-bearing structure for bent axle and crankshaft bearing, the oil droplet that crankshaft rotating sputters is lubricated gathering bent axle and the crankshaft bearing to motion in collection chamber I 51 and by breach I 41 water conservancy diversion, therefore can further make splash lubrication there is stronger directionality, make lubricated more abundant, reduce the wearing and tearing of bent axle and crankshaft bearing, extend petrol engine working life, and make full use of the oil droplet having splashed, meet the especially low-cost requirement of general gasoline engines of petrol engine, this crankcase does not limit the quantity of breach I 41, collection chamber I 51 and shape, size, only need meet oil storage and oil supply function.
In the present embodiment, described breach I 41 is located at the upper end of described casing crankshaft hole seat 31; Structural representation when Fig. 1 is this crankcase horizontal positioned, upper end is take the top of crankshaft hole 13 axis that substantially horizontal is benchmark; Breach I 41 is located to the upper end of casing crankshaft hole seat 31, the oil droplet being stored in collection chamber I 51 can flow to motive position along breach I 41 by self gravitation, reaches better lubrication effect.
In the present embodiment, described casing crankshaft hole seat 31 is positioned on the position of described breach I 41 both sides and is connected with stiffening rib I 51a, and the inwall 11 of described stiffening rib I 51a and described casing 1 is connected to form collection chamber I 51; As shown in Figure 1, stiffening rib I 51a quantity is two, and stiffening rib I 51a and casing 1 are one-body molded; Stiffening rib I 51a is preferably with breach I 41 gaplesss and docks, in time the oil droplet in collection chamber I 51 is guided to motive position; Casing crankshaft hole seat 31 connects upper stiffening rib I 51a, can strengthen the structural strength of casing crankshaft hole seat 31, can also form collection chamber I 51 with together with the inwall 11 of casing 1 simultaneously, reaches the effect of a thing dual-purpose, saves material, further reduces production costs.
In the present embodiment, the cross section of described breach I 41 and collection chamber I 51 is wide at the top and narrow at the bottom trapezoidal; The cross section of breach I 41 and collection chamber I 51 is wide at the top and narrow at the bottom trapezoidal, the top machine oil oil droplet of storing state is heavier than bottom machine oil oil droplet, more can make full use of oil droplet self gravitation, reaches better lubrication effect.
In the present embodiment, case lid crankshaft hole seat 32 is provided with breach II 42, and described case lid 2 is provided with for collecting the collection chamber II 52 of the oil droplet that bent axle splashed, and described collection chamber II 52 is communicated with described breach II 42, by the collection chamber II 52 that on case lid crankshaft hole seat 32, breach II 42 is set and is communicated with breach II 42, form the special oil-bearing structure for bent axle and crankshaft bearing, the oil droplet that crankshaft rotating sputters is lubricated gathering bent axle and the crankshaft bearing to motion in collection chamber II 52 and by breach II 42 water conservancy diversion, therefore further make splash lubrication there is stronger directionality, make lubricated more abundant, reduce the wearing and tearing of bent axle and crankshaft bearing, extend petrol engine working life, and make full use of the oil droplet having splashed, meet the especially low-cost requirement of general gasoline engines of petrol engine.
In the present embodiment, described breach II 42 is located at the upper end of described case lid crankshaft hole seat; Structural representation when Fig. 2 is this crankcase horizontal positioned, upper end is take the top of crankshaft hole 13 axis that substantially horizontal is benchmark; The oil droplet being stored in collection chamber II 52 can flow to motive position along breach II 42 by self gravitation, reaches better lubrication effect.
In the present embodiment, described case lid crankshaft hole seat 31 is positioned on the position of described breach II 42 both sides and is connected with stiffening rib II 52a, and the inwall 21 of described stiffening rib II 52a and described case lid 2 is connected to form collection chamber II 52; Case lid crankshaft hole seat 32 connects upper stiffening rib II 52a, can strengthen the structural strength of case case lid crankshaft hole seat 32, can also form collection chamber II 52 with together with the inwall 21 of case lid 2 simultaneously, reaches the effect of a thing dual-purpose, saves material, further reduces production costs.
In the present embodiment, the cross section of described breach II 42 and collection chamber II 52 is wide at the top and narrow at the bottom trapezoidal; The cross section of breach II 42 and collection chamber II 52 is wide at the top and narrow at the bottom trapezoidal, the top machine oil oil droplet of storing state is heavier than bottom machine oil oil droplet, more can make full use of oil droplet self gravitation, reaches better lubrication effect.
The invention also discloses a kind of petrol engine of applying described bent axle bottom type crankcase for petro engine, described bent axle bottom type crankcase for petro engine is installed on petrol engine; Described petrol engine is applied to motorcycle or universal machine, and universal machine comprises pump, blower fan, compressor, subtracts variable-speed motor, generator etc.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (9)
1. one kind strong lubricating type crankcase, comprise casing and with the suitable case lid of described casing, on described casing and case lid, be equipped with crankshaft hole, described crankshaft hole is equipped with crankshaft hole seat outward, it is characterized in that: casing crankshaft hole seat is provided with breach I, described casing is provided with for collecting the collection chamber I of the oil droplet that bent axle splashed, and described collection chamber I is communicated with described breach I.
2. strong lubricating type crankcase according to claim 1, is characterized in that: described breach I is located at the upper end of described casing crankshaft hole seat.
3. strong lubricating type crankcase according to claim 2, is characterized in that: described casing crankshaft hole seat is positioned on the position of described breach I both sides and is connected with stiffening rib I, and the inwall of described stiffening rib I and described casing is connected to form collection chamber I.
4. strong lubricating type crankcase according to claim 3, is characterized in that: the cross section of described breach I and collection chamber I is wide at the top and narrow at the bottom trapezoidal.
5. according to the strong lubricating type crankcase described in any one in claim 1 to 4, it is characterized in that: case lid crankshaft hole seat is provided with breach II, described case lid is provided with for collecting the collection chamber II of the oil droplet that bent axle splashed, and described collection chamber II is communicated with described breach II.
6. strong lubricating type crankcase according to claim 5, is characterized in that: described breach II is located at the upper end of described case lid crankshaft hole seat.
7. strong lubricating type crankcase according to claim 6, is characterized in that: described case lid crankshaft hole seat is positioned on the position of described breach II both sides and is connected with stiffening rib II, and the inwall of described stiffening rib II and described case lid is connected to form collection chamber II.
8. strong lubricating type crankcase according to claim 7, is characterized in that: the cross section of described breach II and collection chamber II is wide at the top and narrow at the bottom trapezoidal.
9. application rights requires a petrol engine for arbitrary described strong lubricating type crankcase in 1 to 8, it is characterized in that: described strong lubricating type crankcase is installed on petrol engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320642907.9U CN203584501U (en) | 2013-10-17 | 2013-10-17 | Strong lubricating crankcase and gasoline engine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320642907.9U CN203584501U (en) | 2013-10-17 | 2013-10-17 | Strong lubricating crankcase and gasoline engine thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203584501U true CN203584501U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320642907.9U Expired - Fee Related CN203584501U (en) | 2013-10-17 | 2013-10-17 | Strong lubricating crankcase and gasoline engine thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203584501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370861A (en) * | 2014-08-28 | 2016-03-02 | 贵州航空发动机研究所 | Bearing lubricating device |
-
2013
- 2013-10-17 CN CN201320642907.9U patent/CN203584501U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370861A (en) * | 2014-08-28 | 2016-03-02 | 贵州航空发动机研究所 | Bearing lubricating device |
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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: 20140507 Termination date: 20171017 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |