CN210660279U - Connecting rod device for cooling piston by using oil duct - Google Patents
Connecting rod device for cooling piston by using oil duct Download PDFInfo
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- CN210660279U CN210660279U CN201920995162.1U CN201920995162U CN210660279U CN 210660279 U CN210660279 U CN 210660279U CN 201920995162 U CN201920995162 U CN 201920995162U CN 210660279 U CN210660279 U CN 210660279U
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- connecting rod
- cooling
- piston
- oil
- oil duct
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Abstract
The utility model provides an utilize oil duct cooling piston's connecting rod device, include: the connecting rod comprises a connecting rod body, wherein one end of the connecting rod body is provided with a connecting rod small end and a bushing, and the other end of the connecting rod body is provided with a connecting rod large end; a cooling oil duct is further formed in the small end of the connecting rod, and the cooling oil duct is provided with an oil inlet and an oil nozzle; the utility model provides an utilize oil duct cooling piston's link means has kept original cooling function unchangeable, has increased the cooling function to the piston bottom, has strengthened the cooling to the piston, is favorable to the promotion of engine performance.
Description
Technical Field
The utility model belongs to the technical field of the oil duct cooling, concretely relates to utilize connecting rod device of oil duct cooling piston.
Background
In the case of an engine, the temperature of the cylinder interior gas during the intake phase has a very important influence on the engine performance, and the lower the cylinder interior gas temperature is, the more advantageous the improvement of the charging efficiency, the reduction of the combustion temperature and the suppression of the generation of exhaust pollutants, and at the same time, the improvement of the engine reliability is, and therefore, the cylinder interior gas must be properly cooled, and the piston temperature has an important influence on the cooling of the cylinder interior gas and the reliability of the piston itself, and therefore, the piston temperature must be reduced and the cooling of the piston must be enhanced. Currently, most engines use a cooling spray hook to spray oil to cool the piston combustion chamber periphery.
The utility model discloses a connecting rod with an oil duct in a high-pressure reciprocating plunger pump, such as the utility model with the publication number CN207033717U, which comprises a connecting rod body, a connecting rod cover, a connecting rod upper bearing bush, a connecting rod lower bearing bush and a connecting rod small-end bush; the connecting rod body consists of a connecting rod body and a connecting rod small head and a connecting rod large head, and a central oil transmission hole is formed in the connecting rod body; the connecting rod cover is fixed on the connecting rod big head; the upper bearing bush of the connecting rod is arranged on the inner circumferential surface of the big end of the connecting rod, the middle part of the upper bearing bush is provided with an upper bearing bush oil hole communicated with the central oil delivery hole, the inner circumferential surface of the upper bearing bush is provided with a first circumferential oil groove, and the bottom surface of the first circumferential oil groove is provided with a first radial oil groove; the structure of the lower bearing bush of the connecting rod is basically the same as that of the upper bearing bush of the connecting rod.
It can be seen that in the prior art, the lubricating and cooling of the connecting rod are mainly considered in the design of the connecting rod oil passage, and the cooling of the bottom of the piston cannot be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an engine utilize oil duct cooling piston's link means aims at solving cooling piston bottom problem among the prior art.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
the utility model provides an utilize oil duct cooling piston's connecting rod device, include: the connecting rod comprises a connecting rod body, wherein one end of the connecting rod body is provided with a connecting rod small end and a bushing, and the other end of the connecting rod body is provided with a connecting rod large end; and a cooling oil duct is also arranged in the small end of the connecting rod, and the cooling oil duct is provided with an oil inlet and an oil nozzle.
Preferably, the outer surface of the bushing is further provided with a bushing oil channel.
Preferably, the cooling oil passage is provided at the periphery of the liner oil passage.
Preferably, the oil injection port is arranged at the top of the connecting rod small head.
The utility model has the advantages that:
the utility model provides an utilize oil duct cooling piston's link means has kept original cooling function unchangeable, has increased the cooling function to the piston bottom, has strengthened the cooling to the piston, is favorable to the promotion of engine performance.
Drawings
Fig. 1 is a schematic structural diagram of a connecting rod device using an oil passage to cool a piston according to the present invention.
In the figure, 100 is a connecting rod body, 101 is a connecting rod small end, 102 is a bushing, 103 is a connecting rod large end, 104 is an oil inlet, 105 is a cooling oil passage, 106 is an oil nozzle, 200 is a piston, and 201 is a bottom structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention is further described in detail by the following embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides an utilize oil duct cooling piston's link means, as shown in FIG. 1, include: the connecting rod comprises a connecting rod body 100, wherein one end of the connecting rod body 100 is provided with a connecting rod small end 101 and a bushing 102, and the other end of the connecting rod body 100 is provided with a connecting rod large end 103; the connecting rod small end 101 is also internally provided with a cooling oil duct 105, the cooling oil duct 105 is provided with an oil inlet 104 and an oil spray opening 106, cooling oil enters from the oil inlet 104 and is sprayed out from the oil spray opening 106 to cool the bottom structure 201 of the piston 200, so that the surface temperature of the bottom structure 201 of the piston 200 is reduced, the cooling of the piston 200 is enhanced, the heat dissipation capacity of gas in the cylinder is increased, and the temperature of the gas in the cylinder is reduced.
In one embodiment, the outer surface of the bushing 102 is further provided with a bushing oil channel (not shown).
In one embodiment, the cooling oil passage 105 is disposed at the periphery of the liner oil passage, and the cooling oil passage 105 and the liner oil passage are independent from each other.
In one embodiment, the oil spray opening 106 is arranged at the top of the connecting rod small head 101, so that the cooling effect is better.
Having thus described several aspects of at least one embodiment of this invention, it is to be appreciated various alterations, modifications, and improvements will readily occur to those skilled in the art. Such alterations, modifications, and improvements are intended to be within the spirit and scope of the invention.
Claims (4)
1. A connecting rod apparatus for cooling a piston using an oil passage, comprising: the connecting rod comprises a connecting rod body, wherein one end of the connecting rod body is provided with a connecting rod small end and a bushing, and the other end of the connecting rod body is provided with a connecting rod large end; and a cooling oil duct is also arranged in the small end of the connecting rod, and the cooling oil duct is provided with an oil inlet and an oil nozzle.
2. The connecting rod apparatus for cooling a piston using an oil passage as defined in claim 1, wherein the outer surface of the bushing is further provided with a bushing oil passage.
3. The connecting rod apparatus for cooling a piston using an oil passage according to claim 2, wherein the cooling oil passage is provided at a periphery of the bushing oil passage.
4. The connecting rod apparatus for cooling a piston using an oil passage according to claim 2 or 3, wherein the oil jet port is disposed at a top of the small end of the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995162.1U CN210660279U (en) | 2019-06-28 | 2019-06-28 | Connecting rod device for cooling piston by using oil duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995162.1U CN210660279U (en) | 2019-06-28 | 2019-06-28 | Connecting rod device for cooling piston by using oil duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210660279U true CN210660279U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920995162.1U Active CN210660279U (en) | 2019-06-28 | 2019-06-28 | Connecting rod device for cooling piston by using oil duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210660279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359995A (en) * | 2019-06-28 | 2019-10-22 | 广西玉柴机器股份有限公司 | A kind of linkage using the cooling piston of oil duct |
-
2019
- 2019-06-28 CN CN201920995162.1U patent/CN210660279U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359995A (en) * | 2019-06-28 | 2019-10-22 | 广西玉柴机器股份有限公司 | A kind of linkage using the cooling piston of oil duct |
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