CN104196871A - Forced cooling and lubricating engine connecting rod structure - Google Patents
Forced cooling and lubricating engine connecting rod structure Download PDFInfo
- Publication number
- CN104196871A CN104196871A CN201410343806.0A CN201410343806A CN104196871A CN 104196871 A CN104196871 A CN 104196871A CN 201410343806 A CN201410343806 A CN 201410343806A CN 104196871 A CN104196871 A CN 104196871A
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- connecting rod
- cooling
- lubricating
- lubricating oil
- oil duct
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- Lubrication Of Internal Combustion Engines (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a forced cooling and lubricating engine connecting rod structure. A rod body cooling and lubricating oil way is arranged in the center of a rod body of a connecting rod; a connecting rod small head and a connecting rod large head are arranged on the rod body of the connecting rod; a connecting rod bushing is mounted in a center hole of the connecting rod small head; a connecting rod bearing bush is mounted at the connecting rod large head of the rod body of the connecting rod; a connecting rod large head cooling and lubricating oil way is formed in the edge wall of an inner hole of the connecting rod large head; a connecting rod bearing bush cooling and lubricating hole is formed between the connecting rod large head cooling and lubricating oil way and the connecting rod bearing bush; a rod body cooling and lubricating oil way is communicated with the connecting rod large head cooling and lubricating oil way of the connecting rod large head after penetrating through the connecting rod bearing bush, and is communicated with a connecting rod small head cooling and lubricating oil way in the inner hole of the connecting rod small head; the connecting rod small head has a connecting rod small head cooling and lubricating nozzle mounting hole for mounting a connecting rod cooling and lubricating nozzle; an inner opening of a hole in the center of the connecting rod cooling and lubricating nozzle is a horn mouth; and the included angle of the connecting rod small head cooling and lubricating nozzle mounting hole is not smaller than 20 degrees and not greater than 85 degrees. The forced cooling and lubricating engine connecting rod structure is simple in processing and low in cost.
Description
Technical field
The invention belongs to field of internal combustion engine, particularly a kind of bar linkage structure of forcing cooling and lubricating engine.
Background technique
At present, the cooling and lubricated major way of engine piston and linkage component be divided into splash cooling and lubricated, force cooling and lubricated; But for the motor of large cylinder diameter, high-stroke, splashing cooling and lubricatedly can not meet real work demand, and traditional nozzle mode forces the cooling and lubricated engine oil pressure that is also subject to limit, and is difficult to equally meet real work demand.So, for improving the cooling and lubrication effect of large cylinder diameter, high-stroke motor, strengthening the reliability of piston and connecting rod, a kind of bar linkage structure of forcing cooling and lubricating engine arises at the historic moment.
Summary of the invention
The object of the present invention is to provide a kind of for optimizing large cylinder diameter, high-stroke engine cooling and lubricated effect, increase the reliability of large cylinder diameter, high-stroke engine piston and connecting rod, under certain engine oil pressure condition, by the oil transportation hole, linkage component center of appropriate design, and well-designed connecting rod small end oil outlet and nozzle, smoothly heavy the machine oil of cold certain pressure connnecting rod big end is delivered to the cooling inner chamber of piston, meet the cooling and lubrication of piston and connecting rod, increase a kind of bar linkage structure of forcing cooling and lubricating engine of the reliability of piston and connecting rod.
Technical solution of the present invention is such, a kind of bar linkage structure of forcing cooling and lubricating engine, comprise connnecting rod big end, connecting rod shank, connecting rod small end, connecting rob bushing, shaft cooling and lubricating oil duct, connecting rod bearing shell, connecting rod cooling and lubricating nozzle, connecting rod small end cooling and lubricating oil duct, connnecting rod big end cooling and lubricating oil duct, connecting rod bearing shell cooling and lubricating hole, it is characterized in that there is shaft cooling and lubricating oil duct (5) at connecting rod shank (2) center, connecting rod shank (2) has connecting rod small end (3), with have connnecting rod big end (1), connecting rod small end (3) center hole is equipped with connecting rob bushing (4), the connnecting rod big end (1) of connecting rod shank (2) is equipped with connecting rod bearing shell (6), connnecting rod big end (1) endoporus limit wall has connnecting rod big end cooling and lubricating oil duct (9), connnecting rod big end cooling and lubricating oil duct (9) has connecting rod bearing shell cooling and lubricating hole (10) between connecting rod bearing shell (6), shaft cooling and lubricating oil duct (5) passes to the connnecting rod big end cooling and lubricating oil duct (9) of connnecting rod big end (1) mutually through connecting rod bearing shell (6), shaft cooling and lubricating oil duct (5) leads to the connecting rod small end cooling and lubricating oil duct (8) of connecting rod small end (3) endoporus mutually, connecting rod small end (3) has connecting rod small end cooling and lubricating nozzle mounting hole for installing connecting rods cooling and lubricating nozzle (7), connecting rod cooling and lubricating nozzle (7) center drilling internal orifice becomes horn mouth, the angle of the cooling and lubricating nozzle mounting hole of connecting rod small end is 20 °≤≤ 85 °.
Connecting rod cooling and lubricating nozzle (7) is throttle grverning nozzle.
Connecting rod cooling and lubricating nozzle (7) has more than 2.
The connecting rod bearing shell (6) of connnecting rod big end (1) is the connecting rod bearing shell with oilhole.
The connecting rob bushing (4) of connecting rod small end (3) is seal cartridge.
Connecting rod shank (2) has shaft cooling and lubricating oil duct (5).
Connnecting rod big end (1) has connnecting rod big end cooling and lubricating oil duct (9).
There is connecting rod small end cooling and lubricating oil duct (8) in connecting rod small end (3).
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention can effectively optimize: the motor of large cylinder diameter, high-stroke, blindly improves oil pump pressure taking energy loss as cost, to meet the problem of piston rod cooling and lubricating.
2, to oil pump without particular/special requirement, as long as under certain pressure, can effectively meet the cooling and lubricating of piston rod by design system of the present invention.
3, practicability of the present invention is high, and production and processing is simple, convenient, cheap.
4, lubricated being easily able to of piston rod effectively met, improve engine reliability.
Brief description of the drawings
Fig. 1 is that assembling master of the present invention looks sectional view.
Fig. 2 be the present invention by K in Fig. 1 to view enlarged view.
Fig. 3 be the present invention by F in Fig. 1 to view enlarged view.
Reference character: connnecting rod big end (1), connecting rod shank (2), connecting rod small end (3), connecting rob bushing (4), shaft cooling and lubricating oil duct (5), connecting rod bearing shell (6), connecting rod cooling and lubricating nozzle (7), connecting rod small end cooling and lubricating oil duct (8), connnecting rod big end cooling and lubricating oil duct (9), connecting rod bearing shell cooling and lubricating hole (10).
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described, but be to be understood that protection scope of the present invention is not subject to the restriction of concrete structure and mode of execution.
Embodiment 1, as shown in FIG. 1 to 3, force a bar linkage structure for cooling and lubricating engine, comprise connnecting rod big end, connecting rod shank, connecting rod small end, connecting rob bushing, shaft cooling and lubricating oil duct, connecting rod bearing shell, connecting rod cooling and lubricating nozzle, connecting rod small end cooling and lubricating oil duct, connnecting rod big end cooling and lubricating oil duct, connecting rod bearing shell cooling and lubricating hole.It is characterized in that by offer conveying high-pressure shaft cooling and lubricating oil duct (5), connecting rod small end cooling and lubricating oil duct (8), connnecting rod big end cooling and lubricating oil duct (9) in connnecting rod big end (1), connecting rod shank (2), connecting rod small end (3), simultaneously offer 2 at connecting rod small end and become a(30 °≤a≤75 °) the cooling and lubricating nozzle mounting hole at angle, by the connecting rod cooling and lubricating nozzle (7) that is combined with throttle grverning function, high pressure cutting oil is sprayed into the cooling inner chamber of piston, with cooling and lubricating piston with guaranteeing both quality and quantity.
Embodiment 2,1, connecting rod small end (3) are provided with the connecting rod cooling and lubricating nozzle (7) of throttle grverning function;
2, connecting rod bearing shell cooling and lubricating hole (10), connecting rod cooling and lubricating nozzle (7) are 2;
3, the cooling and lubricating nozzle mounting hole of connecting rod small end (3) has angle a:30 °≤a≤75 °;
4, connnecting rod big end (1), connecting rod shank (2), connecting rod small end offer oil duct in (3);
5, the connecting rod bearing shell (6) of the interior mounting strap oilhole of connnecting rod big end (1);
6, the connecting rob bushing (4) of sealing function is installed in connecting rod small end (3).
Embodiment 3, and as shown in FIG. 1 to 3, the present invention need to support the use with a bent axle, piston, its effect could be given full play to.First the high-pressure oil of bent axle input is pressed into connnecting rod big end cooling and lubricating oil duct (9) by connecting rod bearing shell (6), the shaft cooling and lubricating oil duct (5) of flowing through, after enter connecting rod small end cooling and lubricating oil duct (8), due to connecting rob bushing (4) being housed in connecting rod small end (3), and there is wrist pin sealing connecting rob bushing oilhole, make the high-pressure oil that enters connecting rod small end (3) only have an outlet connecting rod cooling and lubricating nozzle (7), high-pressure oil is able to be sprayed and entered the cooling inner chamber cooling piston of piston by connecting rod cooling and lubricating nozzle (7) smoothly.This connecting rod cooling and lubricating nozzle (7) adopts throttle grverning design, guarantees to have enough engine oil pressures that oil injection is extremely needed to the cooling cooling inner chamber of piston.
Disclosed is above only a specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (5)
1. force the bar linkage structure of cooling and lubricating engine for one kind, comprise connnecting rod big end, connecting rod shank, connecting rod small end, connecting rob bushing, shaft cooling and lubricating oil duct, connecting rod bearing shell, connecting rod cooling and lubricating nozzle, connecting rod small end cooling and lubricating oil duct, connnecting rod big end cooling and lubricating oil duct, connecting rod bearing shell cooling and lubricating hole, it is characterized in that there is shaft cooling and lubricating oil duct (5) at connecting rod shank (2) center, connecting rod shank (2) has connecting rod small end (3), with have connnecting rod big end (1), connecting rod small end (3) center hole is equipped with connecting rob bushing (4), the connnecting rod big end (1) of connecting rod shank (2) is equipped with connecting rod bearing shell (6), connnecting rod big end (1) endoporus limit wall has connnecting rod big end cooling and lubricating oil duct (9), connnecting rod big end cooling and lubricating oil duct (9) has connecting rod bearing shell cooling and lubricating hole (10) between connecting rod bearing shell (6), shaft cooling and lubricating oil duct (5) passes to the connnecting rod big end cooling and lubricating oil duct (9) of connnecting rod big end (1) mutually through connecting rod bearing shell (6), shaft cooling and lubricating oil duct (5) leads to the connecting rod small end cooling and lubricating oil duct (8) of connecting rod small end (3) endoporus mutually, connecting rod small end (3) has connecting rod small end cooling and lubricating nozzle mounting hole for installing connecting rods cooling and lubricating nozzle (7), connecting rod cooling and lubricating nozzle (7) center drilling internal orifice becomes horn mouth, the angle of the cooling and lubricating nozzle mounting hole of connecting rod small end is 20 °≤≤ 85 °.
2. according to a kind of bar linkage structure of forcing cooling and lubricating engine claimed in claim 1, it is characterized in that connecting rod cooling and lubricating nozzle (7) is throttle grverning nozzle.
3. according to a kind of bar linkage structure of forcing cooling and lubricating engine claimed in claim 1, it is characterized in that connecting rod cooling and lubricating nozzle (7) has more than 2.
4. according to a kind of bar linkage structure of forcing cooling and lubricating engine claimed in claim 1, the connecting rod bearing shell (6) that it is characterized in that connnecting rod big end (1) is the connecting rod bearing shell with oilhole.
5. according to a kind of bar linkage structure of forcing cooling and lubricating engine claimed in claim 1, the connecting rob bushing (4) that it is characterized in that connecting rod small end (3) is seal cartridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410343806.0A CN104196871A (en) | 2014-07-19 | 2014-07-19 | Forced cooling and lubricating engine connecting rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410343806.0A CN104196871A (en) | 2014-07-19 | 2014-07-19 | Forced cooling and lubricating engine connecting rod structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104196871A true CN104196871A (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410343806.0A Pending CN104196871A (en) | 2014-07-19 | 2014-07-19 | Forced cooling and lubricating engine connecting rod structure |
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| Country | Link |
|---|---|
| CN (1) | CN104196871A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791069A (en) * | 2015-04-08 | 2015-07-22 | 广西玉柴机器股份有限公司 | Connecting rod lubrication oil delivery structure of diesel engine |
| CN104895908A (en) * | 2015-06-03 | 2015-09-09 | 上海申鹿均质机有限公司 | Lubrication structure of transmission mechanism of homogenizing machine, and crosshead structure for lubrication structure |
| CN104989723A (en) * | 2015-06-29 | 2015-10-21 | 唐萍 | Automobile connecting rod |
| CN105134328A (en) * | 2015-10-06 | 2015-12-09 | 周家全 | Y-shaped double-oil-channel nozzle and process method thereof |
| CN112160976A (en) * | 2020-10-29 | 2021-01-01 | 潍柴动力股份有限公司 | Connecting rod assembly and engine |
-
2014
- 2014-07-19 CN CN201410343806.0A patent/CN104196871A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791069A (en) * | 2015-04-08 | 2015-07-22 | 广西玉柴机器股份有限公司 | Connecting rod lubrication oil delivery structure of diesel engine |
| CN104895908A (en) * | 2015-06-03 | 2015-09-09 | 上海申鹿均质机有限公司 | Lubrication structure of transmission mechanism of homogenizing machine, and crosshead structure for lubrication structure |
| CN104989723A (en) * | 2015-06-29 | 2015-10-21 | 唐萍 | Automobile connecting rod |
| CN105134328A (en) * | 2015-10-06 | 2015-12-09 | 周家全 | Y-shaped double-oil-channel nozzle and process method thereof |
| CN112160976A (en) * | 2020-10-29 | 2021-01-01 | 潍柴动力股份有限公司 | Connecting rod assembly and engine |
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Application publication date: 20141210 |