CN204283546U - Logical machine cylinder head lubricating structure - Google Patents
Logical machine cylinder head lubricating structure Download PDFInfo
- Publication number
- CN204283546U CN204283546U CN201420662306.9U CN201420662306U CN204283546U CN 204283546 U CN204283546 U CN 204283546U CN 201420662306 U CN201420662306 U CN 201420662306U CN 204283546 U CN204283546 U CN 204283546U
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- Prior art keywords
- cylinder head
- oil
- crankcase
- oil pump
- bent axle
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- Expired - Fee Related
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model belongs to the lubricating area of the rev-happy engine being specially adapted for crankcase compression fuel-air mixture, be specifically related to a kind of logical machine cylinder head lubricating structure, comprise crankcase, bent axle, cylinder head and cylinder head cover, described bent axle is positioned at crankcase, crankcase, cylinder body, cylinder head is connected successively with cylinder head cover, wherein, described crankcase is provided with oil pump, gears meshing on the driving gear of described oil pump and bent axle, described crankcase is provided with the oil input channel being communicated with oil pump filler opening, also be provided with through crankcase, cylinder body and cylinder head, and be communicated with the oil road of oil pump oil outlet, described cylinder head is provided with oil outlet, described oil road is communicated with oil outlet.The utility model leads to the moving element sufficient lubrication that machine cylinder head lubricating structure can make logical machine cylinder head part.
Description
Technical field
The utility model belongs to the lubricating area of the rev-happy engine being specially adapted for crankcase compression fuel-air mixture, is specifically related to a kind of logical machine cylinder head lubricating structure.
Background technique
General small-size gasoline engine is a kind of power-driven tool equipment, and be called for short logical machine, refer to the petrol engine except automobile-used and specific use, its nominal power is generally at below 30kW.It is mainly as the supporting power of agricultural equipment for plant protection, small farm machine, graden machine, generator set, building machinery, outboard machinery etc.Because general small-size gasoline engine volume is little, lightweight, low price, easy to use, so occupy critical positions in various machine coordination.Particularly among backpack machinery, the supporting power that general small-size gasoline engine is unique especially.General small-size gasoline engine forms the same with general internal-combustion engine, has basic structural system, is also made up of some basic similar component.General small-size gasoline engine mainly comprises following seven major parts: crankshaft rod system, airframe systems, oil-fired system, cooling system, lubrication system, gas distribution system and ignition system.
The lubrication system of general logical machine adopts splash lubrication, utilizes stirring and the drive of engine movements part, makes lubricating oil splash, and then lubricate parts such as bent axle, cam, rocking arm and valves.Simultaneously because oil temperature when petrol engine works is very high, can produce lubricant mist, these mist of oils can be risen on the motion component of higher part position by oilhole, make it be lubricated.Splash lubrication can use for the logical machine compared with low speed rotation, and for the logical machine of High Rotation Speed, splash lubrication can not meet lubricating requirement, if only rely on splash lubrication, logical machine needs the parts lubricated can wear and tear because lubricating not; In addition, the oil sump of the member distance crankcase bottoms such as cam, rocking arm and valve is comparatively far away, and adopt the mode of splash lubrication, the lubricant oil on the parts such as cam, rocking arm and valve is not enough, causes wearing and tearing, even causes logical machine service behaviour to decline.
Model utility content
For the defect that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of logical machine cylinder head lubricating structure that can make the moving element sufficient lubrication of logical machine cylinder head part.
For achieving the above object, the technical solution of the utility model is: logical machine cylinder head lubricating structure, comprise crankcase, bent axle, cylinder head and cylinder head cover, described bent axle is positioned at crankcase, crankcase, cylinder body, cylinder head is connected successively with cylinder head cover, wherein, described crankcase is provided with oil pump, gears meshing on the driving gear of described oil pump and bent axle, described crankcase is provided with the oil input channel being communicated with oil pump filler opening, also be provided with through crankcase, cylinder body and cylinder head, and be communicated with the oil road of oil pump oil outlet, described cylinder head is provided with oil outlet, described oil road is communicated with oil outlet.
When adopting technique scheme, during crank rotation, because the gears meshing on the driving gear of oil pump and bent axle, so bent axle can drive the driving gear of oil pump to rotate, thus by the lubricant oil in crankcase bottom oil sump in oil input channel inhalation machine oil pump, oil pump oil outlet is communicated with oil road, so lubricant oil is through oil road and the final oil outlet ejection from cylinder head, and spray to the moving element of cylinder head position needs lubrication, as cam, rocking arm and valve.The utility model sets up oil pump on crankcase, and oil input channel is provided with on crankcase, through crankcase, the oil road of cylinder body and cylinder head, and be communicated with the oil outlet of oil road, so just can by the lubricant oil in crankcase bottom oil sump through oil input channel, oil pump, oil road, oil outlet, and finally spray to the moving element at cylinder head position, compared with existing splash lubrication, lubricant oil is pumped to the moving element at cylinder head position through oil duct, logical machine crankshaft rotating speed is faster, because the gears meshing on the driving gear of oil pump and bent axle, so the amount that lubricant oil is pumped out is also more, make moving element sufficient lubrication, even so the logical machine of High Rotation Speed is suitable for too.In addition, oil outlet is positioned at cylinder head, and lubricant oil sprays from oil outlet, and the moving element distance at oil outlet and cylinder head position obviously reduces, so the problem of the moving element distance at the lubricant oil that also can solve in splash lubrication in oil sump and cylinder head position.
Further, described oil pump is rotor-type oil pump.This oil pump has compact structure, and boundary dimension is little, so the installing space on crankcase is little; In addition, oil suction degree of vacuum is comparatively large, and pump oil mass is large, so can provide enough lubricant oil for moving element.
Further, described cylinder head cover is provided with oil leab, and the entrance of described oil leab is relative with oil outlet, and the outlet of oil leab is towards the moving element at cylinder head position.The moving element of the lubricant oil part grease cylinders head position of oil outlet ejection, a part enters the entrance of oil leab in addition, and again sprays to moving element from the outlet of oil leab, can improve the utilization ratio of lubricant oil like this.
Further, described oil outlet is towards the moving element at cylinder head position.On such moving element that lubricant oil can be made as often as possible to spray to needs lubrication.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation that the utility model leads to machine cylinder head lubricating structure embodiment;
Fig. 2 is the structural representation that the utility model leads to bent axle and rotor-type oil pump mating part in machine cylinder head lubricating structure embodiment;
Fig. 3 is the explosive view that the utility model leads to bent axle and rotor-type oil pump part in machine cylinder head lubricating structure embodiment.
Embodiment
In the present embodiment, reference character is respectively: crankcase 1, cylinder body 2, cylinder head 3, oil outlet 31, rotor-type oil pump 4, driving gear 41, machine oil pump case 42, external rotor 43, internal rotor 44, bent axle 5, cam 6, rocking arm 7, valve 8.
As shown in Figure 1, logical machine cylinder head lubricating structure, comprise crankcase 1, bent axle 5, cylinder head 3 and cylinder head cover, bent axle 5 is positioned at crankcase 1, crankcase 1, cylinder body 2, cylinder head 3 is connected successively with cylinder head cover, wherein, crankcase 1 is provided with rotor-type oil pump 4, shown in composition graphs 2 and Fig. 3, driving gear 41 and the gears meshing on bent axle 5 of this rotor-type oil pump 4, crankcase 1 is provided with the oil input channel being communicated with rotor-type oil pump 4 filler opening, as direction of the arrows shown in fig, also be provided with through crankcase 1, cylinder body 2 and cylinder head 3, and be communicated with the oil road of rotor-type oil pump 4 oil outlet, cylinder head 3 is provided with oil outlet 31, oil road is communicated with oil outlet 31.
In the present embodiment, cylinder head cover is provided with oil leab, and the entrance of oil leab is relative with oil outlet 31, and the outlet of oil leab is towards the moving element at cylinder head 3 position.The moving element at lubricant oil part lubrication cylinder head 3 position that oil outlet 31 sprays, a part enters the entrance of oil leab in addition, and again sprays to moving element from the outlet of oil leab, can improve the utilization ratio of lubricant oil like this.
Oil outlet 31 is towards the moving element at cylinder head 3 position.On such moving element that lubricant oil can be made as often as possible to spray to needs lubrication.
Specific works principle:
As shown in Figure 1, when bent axle 5 rotates, because the driving gear of rotor-type oil pump 4 41 and the gears meshing on bent axle 5, so the driving gear 41 of bent axle 5 energy rotor driven formula oil pump 4 rotates, driving gear 41 drives the internal rotor 44 being arranged in rotor-type oil pump shell 42 to rotate, simultaneously, external rotor 43 freely rotates, lubricant oil is inhaled into from the filler opening of side, extrude from the oil outlet of opposite side, thus the lubricant oil in oil sump bottom crankcase 1 is sucked in rotor-type oil pump 4 through oil input channel, rotor-type oil pump 4 oil outlet is communicated with oil road, so lubricant oil finally to spray from the oil outlet 31 cylinder head 3 through oil road, and spray to the moving element of cylinder head 3 position needs lubrication, as cam 6, rocking arm 7 and valve 8.
Above-described is only preferred implementation of the present utility model; should be understood that; for a person skilled in the art; under the prerequisite not departing from the utility model structure; some distortion and improvement can also be made; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.
Claims (4)
1. logical machine cylinder head lubricating structure, comprise crankcase, bent axle, cylinder head and cylinder head cover, described bent axle is positioned at crankcase, crankcase, cylinder body, cylinder head are connected successively with cylinder head cover, it is characterized in that, described crankcase is provided with oil pump, gears meshing on the driving gear of described oil pump and bent axle, described crankcase is provided with the oil input channel being communicated with oil pump filler opening, also be provided with through crankcase, cylinder body and cylinder head, and being communicated with the oil road of oil pump oil outlet, described cylinder head is provided with oil outlet, and described oil road is communicated with oil outlet.
2. logical machine cylinder head lubricating structure according to claim 1, it is characterized in that, described oil pump is rotor-type oil pump.
3. logical machine cylinder head lubricating structure according to claim 1, it is characterized in that, described cylinder head cover is provided with oil leab, and the entrance of described oil leab is relative with oil outlet, and the outlet of oil leab is towards the moving element at cylinder head position.
4. logical machine cylinder head lubricating structure according to claim 1, it is characterized in that, described oil outlet is towards the moving element at cylinder head position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420662306.9U CN204283546U (en) | 2014-11-09 | 2014-11-09 | Logical machine cylinder head lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420662306.9U CN204283546U (en) | 2014-11-09 | 2014-11-09 | Logical machine cylinder head lubricating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283546U true CN204283546U (en) | 2015-04-22 |
Family
ID=52866716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420662306.9U Expired - Fee Related CN204283546U (en) | 2014-11-09 | 2014-11-09 | Logical machine cylinder head lubricating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204283546U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139173A (en) * | 2018-05-15 | 2019-01-04 | 重庆大江动力设备制造有限公司 | Engine cool and lubricating system |
| CN109915258A (en) * | 2019-02-01 | 2019-06-21 | 浙江派尼尔科技股份有限公司 | A kind of separation lubrication layered scavenging two-stroke brush cutter dynamic structure and working method |
-
2014
- 2014-11-09 CN CN201420662306.9U patent/CN204283546U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139173A (en) * | 2018-05-15 | 2019-01-04 | 重庆大江动力设备制造有限公司 | Engine cool and lubricating system |
| CN109139173B (en) * | 2018-05-15 | 2023-09-22 | 重庆大江动力设备制造有限公司 | Engine cooling and lubricating system |
| CN109915258A (en) * | 2019-02-01 | 2019-06-21 | 浙江派尼尔科技股份有限公司 | A kind of separation lubrication layered scavenging two-stroke brush cutter dynamic structure and working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20191109 |