CN211874588U - Piston continuous oil injection oscillation cooling device - Google Patents
Piston continuous oil injection oscillation cooling device Download PDFInfo
- Publication number
- CN211874588U CN211874588U CN202020409905.5U CN202020409905U CN211874588U CN 211874588 U CN211874588 U CN 211874588U CN 202020409905 U CN202020409905 U CN 202020409905U CN 211874588 U CN211874588 U CN 211874588U
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- China
- Prior art keywords
- piston
- oil
- fixed pipe
- pipe
- cooling
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- Expired - Fee Related
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- Lubrication Of Internal Combustion Engines (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a piston continuous oil injection oscillation cooling device, belonging to the field of piston cooling, comprising a fixed pipe connected with an oil pump, a movable pipe inserted in the fixed pipe and moving along the inner wall of the fixed pipe, and an anti-collision gasket fixedly arranged on the piston and used for preventing the collision between the fixed pipe and the piston; one end of the movable pipe is fixedly connected with an oil inlet of the inner cooling oil cavity of the piston, the other end of the movable pipe is inserted into the fixed pipe, and when the piston reciprocates to two limit positions, the other end of the movable pipe and the fixed pipe are not separated. The utility model discloses the structure is ingenious, and the oiling is effectual, can realize continuous oil spout, can not cause the waste of oil, has prolonged the life of piston, and easy dismounting is applicable to all piston cooling devices.
Description
Technical Field
The utility model belongs to piston cooling field relates to a cooling device, and specifically speaking is a piston continuous oil spout vibration cooling device.
Background
The piston is a reciprocating component in an engine cylinder block, and because the piston is in direct contact with a combustion chamber, in order to prevent the piston from being ablated by high temperature, lubricating oil is usually adopted to cool the interior of the piston, so that the piston in the prior art is provided with an internal cooling oil cavity, namely an oil ring, and the lubricating oil enters from an oil inlet of the oil ring and is discharged from an oil outlet to take away part of heat of the piston. And the piston oil ring is continuously filled with oil and then discharged, so that the temperature of the piston can be reduced.
In the prior art, oil is injected into an oil ring of a piston through a nozzle, one end of the nozzle is connected with an oil pump, and lubricating oil is continuously sprayed to an inlet of the oil ring of the piston from the nozzle under the action of pressure of the oil pump to cool the piston. However, in the process of oil injection, lubricating oil sprayed out of the nozzle cannot completely enter the inlet of the inner cooling oil cavity, so that insufficient oil supply can be caused, the heat of the piston is increased continuously after long-time operation, the damage to the piston is aggravated, and the service life of the piston is shortened.
SUMMERY OF THE UTILITY MODEL
For solving exist among the prior art more than not enough, the utility model aims at providing a piston continuous oil spout vibration cooling device to reach the oil spout sufficient, effectual purpose of cooling.
In order to achieve the above object, the utility model adopts the following technical scheme: a piston continuous oil injection oscillation cooling device comprises a fixed pipe connected with an oil pump, a movable pipe inserted in the fixed pipe and moving along the inner wall of the fixed pipe, and an anti-collision gasket fixedly arranged on a piston and used for preventing the fixed pipe from colliding with the piston; one end of the movable pipe is fixedly connected with an oil inlet of the inner cooling oil cavity of the piston, the other end of the movable pipe is inserted into the fixed pipe, and when the piston reciprocates to two limit positions, the other end of the movable pipe and the fixed pipe are not separated.
As to the utility model limit: one end of the movable pipe is fixedly arranged in an oil inlet of the cooling oil cavity in the piston.
As a further limitation to the present invention: the movable pipe is detachably connected with the inner wall of an oil inlet of the inner cooling oil cavity of the piston through threads.
As another limitation to the present invention: the anti-collision gasket is fixedly arranged in the oil inlet.
Compared with the prior art, the utility model, the beneficial effect who gains lies in:
(1) the movable pipe of the utility model is sleeved on the fixed pipe, the fixed pipe is connected with the oil pump through the pipeline along with the reciprocating motion of the piston, the movable pipe and the fixed pipe play a guiding role for the lubricating oil, so that the lubricating oil is directly sprayed into the inner cooling oil cavity of the piston and can not splash to other positions, the oil inlet amount can be accurately controlled, the cooling effect is enhanced, the anti-collision gasket is fixedly arranged on the piston, the fixed pipe is prevented from colliding with the piston when the piston moves in a return stroke, and the service life of the piston and the fixed pipe can be effectively prolonged;
(2) the movable pipe of the utility model is fixedly arranged in the oil inlet of the inner cooling oil cavity, and the existing structure is utilized, so that the installation is convenient, and the cost is saved;
(3) the utility model discloses a movable tube passes through the threaded fixation on the piston, easy dismounting, and the leakproofness is good.
To sum up, the utility model discloses the structure is ingenious, and the oiling is effectual, can realize continuous oil spout, can not cause the waste of oil, has prolonged the life of piston, and easy dismounting is applicable to all piston cooling devices.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 2 is a schematic sectional view A-A of FIG. 1.
In the figure: 1-piston, 2-inner cooling oil cavity, 3-oil inlet, 4-oil outlet, 5-anti-collision gasket, 6-movable pipe and 7-fixed pipe.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the piston cooling apparatus described herein is a preferred embodiment, and is provided for illustration and explanation of the present invention only, and is not to be construed as limiting the present invention.
Example piston Cooling device
In the present embodiment, as shown in fig. 1 and fig. 2, a piston continuous oil injection oscillation cooling device includes a fixed pipe 7 connected to an oil pump, and a movable pipe 6 inserted into the fixed pipe 7, wherein a piston 1 is provided with an internal cooling oil cavity 2, as shown in fig. 2, the internal cooling oil cavity 2 is an annular inner cavity arranged around the piston 1, and cooling oil flows in the internal cooling oil cavity 2 in an oscillating manner, so as to cool the piston; an oil inlet 3 and an oil outlet 4 which are communicated with the inner cavity of the inner cooling oil cavity 2 are also arranged. One end of the movable pipe 6 is fixedly connected with an oil inlet 3 of an inner cooling oil cavity 2 of the piston 1, an inner thread is arranged on the inner wall of the oil inlet 3 of the inner cooling oil cavity 2, an outer thread is arranged on the outer wall of the movable pipe 6, the movable pipe 6 is detachably fixed on the piston 1 through the thread and reciprocates along with the piston 1, the diameter of the oil inlet 3 is larger than that of the movable pipe 6, and the movable pipe 6 is guaranteed to move smoothly along with the piston 1. The other end of the movable pipe 6 is inserted into the fixed pipe 7, the outer wall of the movable pipe 6 is tightly attached to the inner wall of the fixed pipe 7, lubricating is carried out by means of cooling machine oil, when the piston 1 reciprocates to two limit positions, the other end of the movable pipe 6 is not separated from the fixed pipe 7, and oil is guaranteed not to be leaked.
The anti-collision device is characterized in that an anti-collision gasket 5 is bonded on the inner wall of the oil inlet 3, the anti-collision gasket 5 is fixedly arranged below the internal thread on the oil inlet 3, under the normal working condition, the fixed pipe 7 cannot contact with the piston 1, when the piston stroke changes due to abrasion or overhigh temperature, the fixed pipe 7 possibly collides with the piston 1, and at the moment, the anti-collision gasket 5 can slow down the impact force of the collision of the fixed pipe 7 and the piston 1 and prolong the service life of the piston 1.
Claims (4)
1. The utility model provides a piston continuous oil spout vibration cooling device which characterized in that: the anti-collision device comprises a fixed pipe connected with an oil pump, a movable pipe inserted in the fixed pipe and moving along the inner wall of the fixed pipe, and an anti-collision gasket fixedly arranged on a piston and used for preventing the fixed pipe from colliding with the piston; one end of the movable pipe is fixedly connected with an oil inlet of the inner cooling oil cavity of the piston, the other end of the movable pipe is inserted into the fixed pipe, and when the piston reciprocates to two limit positions, the other end of the movable pipe and the fixed pipe are not separated.
2. The piston continuous oil injection oscillation cooling device according to claim 1, characterized in that: one end of the movable pipe is fixedly arranged in an oil inlet of the cooling oil cavity in the piston.
3. The piston continuous oil injection oscillation cooling device according to claim 2, characterized in that: the movable pipe is detachably connected with the inner wall of an oil inlet of the inner cooling oil cavity of the piston through threads.
4. A piston continuous oil injection oscillation cooling device according to any one of claims 1-3, characterized in that: the anti-collision gasket is fixedly arranged in the oil inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020409905.5U CN211874588U (en) | 2020-03-27 | 2020-03-27 | Piston continuous oil injection oscillation cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020409905.5U CN211874588U (en) | 2020-03-27 | 2020-03-27 | Piston continuous oil injection oscillation cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211874588U true CN211874588U (en) | 2020-11-06 |
Family
ID=73257780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020409905.5U Expired - Fee Related CN211874588U (en) | 2020-03-27 | 2020-03-27 | Piston continuous oil injection oscillation cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211874588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412055A (en) * | 2020-03-27 | 2020-07-14 | 河北科技大学 | Piston cooling device |
-
2020
- 2020-03-27 CN CN202020409905.5U patent/CN211874588U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412055A (en) * | 2020-03-27 | 2020-07-14 | 河北科技大学 | Piston cooling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201106 Termination date: 20210327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |