CN213039369U - Piston easy to lubricate - Google Patents
Piston easy to lubricate Download PDFInfo
- Publication number
- CN213039369U CN213039369U CN202022169015.4U CN202022169015U CN213039369U CN 213039369 U CN213039369 U CN 213039369U CN 202022169015 U CN202022169015 U CN 202022169015U CN 213039369 U CN213039369 U CN 213039369U
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- CN
- China
- Prior art keywords
- piston
- oil return
- piston body
- oil
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001050 lubricating effect Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000004519 grease Substances 0.000 claims abstract description 10
- 238000009826 distribution Methods 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 57
- 239000010721 machine oil Substances 0.000 description 6
- 230000005465 channeling Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Pistons, Piston Rings, And Cylinders (AREA)
- Compressor (AREA)
Abstract
The utility model belongs to the technical field of pistons, in particular to an easily lubricated piston, which comprises a piston body, wherein a perforation is arranged in the piston body, a piston pin rod is arranged in the perforation, and a detachable additional piston disc is arranged at the top of the piston body; an oil return groove is formed in the outer wall of the group part of the piston body around one circle of the group part of the piston body, and an oil return hole communicated with the through hole is formed in the oil return groove; the outer wall of the additional piston disc is respectively provided with a second circular ring groove and two first circular ring grooves which are symmetrically distributed about the second circular ring groove, a sealing rubber ring is arranged in the first circular ring groove, and lubricating grease is arranged in the second circular ring groove; the piston of the utility model can further reduce the oil from flowing to the top of the piston body through the additional piston disc, the sealing rubber ring and the lubricating grease on the additional piston disc, thereby greatly improving the oil return efficiency; the oil return hole has the lubricating effect on the piston pin rod while returning oil, so that the use reliability of the piston body is greatly improved, and the service life of the piston body is prolonged.
Description
Technical Field
The utility model belongs to the technical field of the piston, concretely relates to easily lubricated piston.
Background
The piston is a reciprocating part in the cylinder body of the automobile engine, the basic structure of the piston can be divided into a top part, a head part and a skirt part, the top part of the piston is the main part forming a combustion chamber, the shape of the piston is related to the selected combustion chamber form, the gasoline engine mostly adopts a flat-top piston, the engine has the advantages of small heat absorption area, the top part of the piston of the diesel engine is often provided with various pits, and the specific shape, position and size of the pits are adapted to the requirements of forming and combusting mixed gas of the diesel engine.
The chinese utility model patent application No. 200810016100.8 just discloses a "two oil gallery air pump pistons", is equipped with a recessed footpath at the oil ring downside of piston, and recessed footpath is equipped with an inclined plane, is equipped with a plurality of oil galleries on the inclined plane, and this application file's positive effect is: when the piston moves downwards, the oil ring scrapes oil, the oil is stored in the concave diameter, the inclined plane of the concave diameter is provided with the oil return hole, the oil can flow back well, the pressure of the oil is reduced, the oil return effect is good, the oil pumping of the air pump can be reduced, and the environment-friendly requirement is met.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem that exists among the prior art, the utility model provides an easily lubricated piston has convenient to use, the efficient and lubricated characteristics of being convenient for of backward flow.
In order to achieve the above object, the utility model provides a following technical scheme: the piston easy to lubricate comprises a piston body, wherein a through hole is formed in the piston body, a piston pin rod is arranged in the through hole, and a detachable additional piston disc is installed at the top of the piston body; and an oil return groove is formed on the outer wall of the group part of the piston body around one circumference of the group part, and an oil return hole communicated with the through hole is formed in the oil return groove.
As an optimized technical scheme of the utility model, the oil gallery is the long straight column structure of halfcylinder.
As an optimized technical scheme of the utility model, the oil gallery about the perforation symmetry is equipped with two.
As a preferred technical scheme of the utility model, the oil gallery is that the heliciform is seted up on the fenestrate lateral wall, just the both ends of oil gallery all communicate with the oil gallery.
As a preferred technical scheme of the utility model, the bottom surface of additional piston dish is fixed with the threaded rod, just additional piston dish utilizes this threaded rod to install with the screw thread closure piston body top.
As a preferred technical scheme of the utility model, No. two ring grooves and two about have been seted up respectively to the outer wall of additional piston dish No. two ring grooves symmetric distribution's a ring groove be equipped with the rubber gasket ring No. two ring inslot are equipped with lubricating grease.
Compared with the prior art, the beneficial effects of the utility model are that: the piston of the utility model can further reduce the oil from flowing to the top of the piston body through the additional piston disc, the sealing rubber ring and the lubricating grease on the additional piston disc, thereby greatly improving the oil return efficiency; the oil return hole has the lubricating effect on the piston pin rod while returning oil, so that the use reliability of the piston body is greatly improved, and the service life of the piston body is prolonged.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the oil return hole according to the first embodiment of the present invention;
fig. 3 is a schematic top view of an oil return hole according to another embodiment of the present invention;
fig. 4 is an enlarged schematic structural view of a portion a of fig. 1 according to the present invention;
in the figure: 1. a piston body; 2. an oil return groove; 3. perforating; 4. a piston pin; 5. an oil return hole; 6. an additional piston disc; 7. a threaded rod; 8. a first circular groove; 9. sealing the rubber ring; 10. a second circular groove; 11. lubricating grease.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, fig. 2 and fig. 4, the present invention provides the following technical solutions: a piston easy to lubricate comprises a piston body 1, a through hole 3 is formed in the piston body 1, a piston pin rod 4 is arranged in the through hole 3, and a detachable additional piston disc 6 is installed at the top of the piston body 1; the oil return groove 2 has been seted up around its week at the crowd's portion outer wall of piston body 1, set up in oil return groove 2 department with the communicating oil gallery 5 of perforation 3, when in actual use, the oil scraper ring can all be cup jointed at the outer wall of piston body 1 usually, when piston body 1 removed, the oil scraper ring strikes off machine oil, machine oil is stored in the oil return groove 2, and get into perforation 3 from oil gallery 5, lubricate piston pin 4 simultaneously, the additional piston dish 6 at piston body 1 top plays the effect of blockking, the air pump oil channeling that significantly reduces, oil return efficiency has been improved.
Specifically, according to fig. 1 and fig. 2, in the present embodiment, the oil return hole 5 is a half-cylinder long straight structure, and is used for returning gasoline and lubricating the piston pin 4.
Specifically, according to fig. 1 and fig. 2, in the present embodiment, two oil return holes 5 are symmetrically provided about the through hole 3 for oil return, and lubricate the piston pin rod 4, and improve lubrication efficiency.
Specifically, according to the illustration in fig. 1, in this embodiment, a threaded rod 7 is fixed to the bottom surface of the additional piston disc 6, and the additional piston disc 6 is screwed on the top of the piston body 1 by using the threaded rod 7, and the additional piston disc 6 is screwed on the threaded rod, so that the assembly and disassembly are convenient, and the disassembly, the cleaning and the maintenance are convenient.
Specifically, as shown in fig. 1 and fig. 4, in this embodiment, No. two circular ring grooves 10 and two circular ring grooves 8 about No. two circular ring grooves 10 symmetric distributions are respectively provided on the outer wall of the additional piston disc 6, a sealing rubber ring 9 is provided in the circular ring groove 8, lubricating grease 11 is provided in the circular ring groove 10, the sealing rubber ring 9 improves the sealing property, the air pump oil channeling greatly reduced, the lubricating grease 11 improves the lubricating effect of the additional piston disc 6, and the friction between the additional piston disc 6 and the inner wall of the cylinder body is reduced.
Example 2
Referring to fig. 1, fig. 3 and fig. 4, the present invention provides the following technical solutions: a piston easy to lubricate comprises a piston body 1, a through hole 3 is formed in the piston body 1, a piston pin rod 4 is arranged in the through hole 3, and a detachable additional piston disc 6 is installed at the top of the piston body 1; the oil return groove 2 has been seted up around its week at the crowd's portion outer wall of piston body 1, set up in oil return groove 2 department with the communicating oil gallery 5 of perforation 3, when in actual use, the oil scraper ring can all be cup jointed at the outer wall of piston body 1 usually, when piston body 1 removed, the oil scraper ring strikes off machine oil, machine oil is stored in the oil return groove 2, and get into perforation 3 from oil gallery 5, lubricate piston pin 4 simultaneously, the additional piston dish 6 at piston body 1 top plays the effect of blockking, the air pump oil channeling that significantly reduces, oil return efficiency has been improved.
Specifically, according to fig. 1 and fig. 3, in this embodiment, the oil return hole 5 is spirally formed in the side wall of the through hole 3, and both ends of the oil return hole 5 are communicated with the oil return groove 2 for returning gasoline and lubricating the piston pin rod 4.
Specifically, according to the illustration in fig. 1, in this embodiment, a threaded rod 7 is fixed to the bottom surface of the additional piston disc 6, and the additional piston disc 6 is screwed on the top of the piston body 1 by using the threaded rod 7, and the additional piston disc 6 is screwed on the threaded rod, so that the assembly and disassembly are convenient, and the disassembly, the cleaning and the maintenance are convenient.
Specifically, as shown in fig. 1 and fig. 4, in this embodiment, No. two circular ring grooves 10 and two circular ring grooves 8 about No. two circular ring grooves 10 symmetric distributions are respectively provided on the outer wall of the additional piston disc 6, a sealing rubber ring 9 is provided in the circular ring groove 8, lubricating grease 11 is provided in the circular ring groove 10, the sealing rubber ring 9 improves the sealing property, the air pump oil channeling greatly reduced, the lubricating grease 11 improves the lubricating effect of the additional piston disc 6, and the friction between the additional piston disc 6 and the inner wall of the cylinder body is reduced.
The utility model discloses a theory of operation and use flow: the utility model discloses a piston, when in actual use, all can cup joint the scraper ring at 1 outer wall of piston body usually, when piston body 1 removed, the scraper ring struck off machine oil, and in machine oil storage oil gallery 2 to get into perforation 3 from oil gallery 5, lubricate piston pin 4 simultaneously, and the additional piston dish 6 at 1 top of piston body plays the effect of blockking, and the air pump oil channeling that significantly reduces has improved oil return efficiency.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An easily lubricated piston, includes piston body (1), has seted up perforation (3) in piston body (1), is equipped with piston pin pole (4) in perforation (3), its characterized in that: the top of the piston body (1) is provided with a detachable additional piston disc (6); an oil return groove (2) is formed in the outer wall of the group part of the piston body (1) around the circumference of the outer wall, and an oil return hole (5) communicated with the through hole (3) is formed in the oil return groove (2).
2. An easily lubricated piston as claimed in claim 1, wherein: the oil return hole (5) is of a long straight structure of a semi-cylinder.
3. An easily lubricated piston as claimed in claim 1, wherein: the oil return holes (5) are symmetrically arranged about the through hole (3).
4. An easily lubricated piston as claimed in claim 1, wherein: the oil return hole (5) is spirally formed in the side wall of the through hole (3), and two ends of the oil return hole (5) are communicated with the oil return groove (2).
5. An easily lubricated piston as claimed in claim 1, wherein: a threaded rod (7) is fixed on the bottom surface of the additional piston disc (6), and the additional piston disc (6) is screwed on the top of the piston body (1) by the threaded rod (7).
6. An easily lubricated piston as claimed in claim 1, wherein: no. two ring grooves (10) and two about No. two ring grooves (8) of No. two ring grooves (10) symmetric distribution have been seted up respectively to the outer wall of additional piston dish (6) be equipped with sealing rubber ring (9) in No. one ring groove (8) be equipped with lubricating grease (11) in No. two ring grooves (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022169015.4U CN213039369U (en) | 2020-09-28 | 2020-09-28 | Piston easy to lubricate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022169015.4U CN213039369U (en) | 2020-09-28 | 2020-09-28 | Piston easy to lubricate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213039369U true CN213039369U (en) | 2021-04-23 |
Family
ID=75535968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022169015.4U Expired - Fee Related CN213039369U (en) | 2020-09-28 | 2020-09-28 | Piston easy to lubricate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213039369U (en) |
-
2020
- 2020-09-28 CN CN202022169015.4U patent/CN213039369U/en not_active Expired - Fee Related
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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: 20210423 |