CN208686953U - A kind of engine piston - Google Patents
A kind of engine piston Download PDFInfo
- Publication number
- CN208686953U CN208686953U CN201820703101.9U CN201820703101U CN208686953U CN 208686953 U CN208686953 U CN 208686953U CN 201820703101 U CN201820703101 U CN 201820703101U CN 208686953 U CN208686953 U CN 208686953U
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- CN
- China
- Prior art keywords
- piston
- pin
- connection cover
- ring
- 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
- 238000005461 lubrication Methods 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 34
- 239000010721 machine oil Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a kind of engine piston, including piston only, the piston only outer upper is successively arranged compression ring, oil ring, position is equipped with pin hole among the piston only two sides, the piston only is equipped with bottom annular groove, the piston only is equipped with the back oil road of connection bottom annular groove and pin hole, piston pin is equipped in the pin hole, the piston pin insertion is connected in piston only, the piston pin is equipped with connecting rob bushing, connecting rod is cased on the outside of the connecting rob bushing, the connecting rod lower part is equipped with upper connection cover, the upper connection cover lower part is equipped with lower connection cover.The utility model is equipped with the back oil road of connection bottom annular groove and pin hole on piston only, machine oil extra on cylinder wall can be scraped off by external oil ring and between guide pin hole and piston pin, pin hole and piston pin are lubricated, improve greasy property, piston pin is additionally provided with grid groove and lubrication groove simultaneously, further improves the performance of lubrication.
Description
Technical field
The utility model relates to technical field of engines more particularly to a kind of engine pistons.
Background technique
Piston is automobile engine " heart ", bears the mechanical load and thermic load of alternation, is the item that works in engine
One of worst key components and parts of part, the function of piston is subject to gas pressure, and is transmitted to connecting rod by piston pin and drives song
The component part of axis rotation, top land or combustion chamber, when piston is moved up and down, under normal circumstances, compound oil ring
Machine oil extra on cylinder wall can be scraped off and flow back to oil sump, however existing engine piston is splashed generally by lubricating oil
The effect of penetrating lubricates pin hole and piston pin, but the regularity that when oil liquid concussion is sprung up sputters is poor, it is difficult to guarantee to pin hole and work
The lubricating action of plug pin, and the piston pin both ends outer wall of existing engine piston and pin hole can be produced when crankshaft-link rod works
Raw friction, the gap of the two increases over time, to influence the normal operation of engine, while the prior art is for engine
Operating frequency technology it is also less perfect, cause it is lower in piston slap cylinder process frequency so that vehicle power hoisting effect
Bad, therefore, the utility model proposes a kind of engine pistons to solve problems of the prior art.
Utility model content
In view of the above-mentioned problems, the piston only is equipped with connection bottom part ring the utility model proposes a kind of engine piston
Machine oil extra on cylinder wall can be scraped off simultaneously guide pin hole and piston pin by external oil ring by the back oil road of slot and pin hole
Between, pin hole and piston pin are lubricated, greasy property is improved, while piston pin is additionally provided with grid groove and lubrication groove, into one
Step improves the performance of lubrication.
To solve the above-mentioned problems, the utility model proposes a kind of engine piston, including piston only, the piston sheets
External upper lateral part is successively arranged compression ring, oil ring, and position is equipped with pin hole among the piston only two sides, sets on the piston only
There is bottom annular groove, the piston only is equipped with the back oil road of connection bottom annular groove and pin hole, is equipped with piston pin in the pin hole,
The piston pin insertion is connected in piston only, and the piston pin is equipped with connecting rob bushing, is cased on the outside of the connecting rob bushing
Connecting rod, the connecting rod lower part are equipped with upper connection cover, and the upper connection cover lower part is equipped with lower connection cover.
Further improvement lies in that: the pin hole hole wall corresponds to back oil road lower end and is used for what oil liquid dispersed equipped with what is radially extended out
Divide oil groove, the depth of the back oil road is greater than the depth of oil ring.
Further improvement lies in that: both ends are equipped with grid groove on the outside of the piston pin, if being equipped between grid groove described in two groups
Dry inclined lubrication groove.
Further improvement lies in that: the piston pin both ends are equipped with pressure ring, all have in the both ends of the surface of the piston pin and are in
The interconnecting piece of cylindrical shape protrusion, each interconnecting piece are surrounded by annular groove.
Further improvement lies in that: the annular groove and interconnecting piece are coaxial, and the pressure ring is equipped with fixing bolt and annular
Groove connects, and is provided with rubber pad on the fixing bolt.
Further improvement lies in that: high-efficiency bearing device, the efficient axis are equipped between the upper connection cover and lower connection cover
Bearing apparatus is made of high speed retainer, spherical roller, outer ring, deadening inner ring, and spherical roller is equipped on the outside of the high speed retainer,
It is equipped with outer ring on the outside of the spherical roller, is equipped on the inside of the high speed retainer and deadens inner ring.
Further improvement lies in that: the upper connection cover and lower connection cover two sides are equipped with bolt hole, set in the bolt hole
There is connection bolt, the bolt hole of the lower connection cover two sides is equipped with nut and matches with bolt is connect, and the bolt hole is under
Connection cover is integrated.
The utility model has the following beneficial effects: the piston only is equipped with the back oil road of connection bottom annular groove and pin hole, energy
Machine oil extra on cylinder wall is scraped off simultaneously between guide pin hole and piston pin, to pin hole and piston pin by external oil ring
It is lubricated, improves greasy property, while piston pin is additionally provided with grid groove and lubrication groove, further improves the performance of lubrication,
And the engine piston is arranged rubber pad between pressure ring and piston pin, and rubber pad can by the flexible deformation of itself come
The vibration generated when rubbing is absorbed, the vibration is effectively avoided to move on fixing bolt, raising pressure ring connect steady with ontology
It is qualitative, the structural stability of piston pin is improved, to ensure that the normal operation of engine, and the efficient axis of the engine piston
Deadening inner ring on bearing apparatus can reduce the frictional force of drive shaft turns generation, by high-precision spherical roller as driving turns
Axis rotates together, and high speed retainer is driven to be rotated, and the shock for allowing piston to carry out high speed generates automobile power, can increase
The power generated is hit, the loss of driving Process Energy is reduced, improves the highly efficient power of automobile power.
Detailed description of the invention
Fig. 1 is the utility model section view.
Fig. 2 is the utility model side view.
Fig. 3 is the utility model piston pin outside drawing.
Fig. 4 is the utility model high-efficiency bearing apparatus structure schematic diagram.
Wherein: 1- piston only, 2- compression ring, 3- oil ring, 4- pin hole, the bottom 5- annular groove, 6- back oil road, 7- piston pin, 8-
Connecting rod, the upper connection cover of 9-, connection cover under 10-, 11- divide oil groove, 12- grid groove, 13- lubrication groove, 14- pressure ring, 15- interconnecting piece,
16- annular groove, 17- fixing bolt, 18- rubber pad, 19- bolt hole, 20- connection bolt, 21- nut, 22- high-efficiency bearing dress
It sets, 23- high speed retainer, 24- spherical roller, the outer ring 25-, 26- deadens inner ring.
Specific embodiment
In order to deepen the understanding to the utility model, the utility model is further described below in conjunction with embodiment,
The present embodiment is only used for explaining the utility model, does not constitute the restriction to scope of protection of the utility model.
According to Fig. 1,2,3,4, a kind of engine piston, including piston only 1, the piston are present embodiments provided
1 outer upper of ontology is successively arranged compression ring 2, oil ring 3, and position is equipped with pin hole 4, the piston among 1 two sides of piston only
Ontology 1 is equipped with bottom annular groove 5, and the piston only 1 is equipped with the back oil road 6 of connection bottom annular groove 5 and pin hole 4, the pin
Piston pin 7 is equipped in hole 4, the insertion of piston pin 7 is connected in piston only 1, and the piston pin 7 is equipped with connecting rob bushing,
Connecting rod 8 is cased on the outside of the connecting rob bushing, 8 lower part of connecting rod is equipped with upper connection cover 9, and upper 9 lower part of connection cover is equipped with down
Connection cover 10,4 hole wall of pin hole correspond to 6 lower end of back oil road and divide oil groove 11, institute for oil liquid dispersion equipped with what is radially extended out
The depth for stating back oil road 6 is greater than the depth of oil ring 3, and the 7 outside both ends of piston pin are equipped with grid groove 12, grid groove described in two groups
Several inclined lubrication grooves 13 are equipped between 12,7 both ends of piston pin are equipped with pressure ring 14, the both ends of the piston pin 7
The interconnecting piece 15 of cylindrical protrusion is all had on face, each interconnecting piece 15 is surrounded by annular groove 16, the ring
Connected in star 16 and interconnecting piece 15 are coaxial, and the pressure ring 14 is equipped with fixing bolt 17 and connect with annular groove 16, the fixed spiral shell
Rubber pad 18 is provided on bolt 17, the upper connection cover 9 and lower 10 two sides of connection cover are equipped with bolt hole 19, the bolt hole 19
Interior to be equipped with connection bolt 20, the bolt hole 19 of lower 10 two sides of connection cover is equipped with nut 21 and matches with bolt 20 is connect,
The bolt hole 19 is integrated with lower connection cover 10, and efficient axis is equipped between the upper connection cover 9 and lower connection cover 10
Bearing apparatus 22, the high-efficiency bearing device 22 are made of high speed retainer 23, spherical roller 24, outer ring 25, deadening inner ring 26, institute
It states and is equipped with spherical roller 24 on the outside of high speed retainer 23, be equipped with outer ring 25, the high speed retainer on the outside of the spherical roller 24
23 insides, which are equipped with, deadens inner ring 26.
The piston only 1 is equipped with the back oil road 6 of connection bottom annular groove 5 and pin hole 4, can pass through external oil ring 3 for gas
Extra machine oil scrapes off and between guide pin hole 4 and piston pin 7 on casing wall, is lubricated to pin hole 4 and piston pin 7, raising
Greasy property, while piston pin 7 is additionally provided with grid groove 12 and lubrication groove 13, further improves the performance of lubrication, and the hair
Motivation piston is arranged rubber pad 18 between pressure ring 14 and piston pin 7, and rubber pad 18 can by the flexible deformation of itself come
The vibration generated when rubbing is absorbed, the vibration is effectively avoided to move on fixing bolt 17, pressure ring 14 is improved and is connect with ontology
Stability, improve piston pin 7 structural stability, to ensure that the normal operation of engine, and the engine piston
Deadening inner ring 26 on high-efficiency bearing device 22 can reduce the frictional force of drive shaft turns generation, by high-precision spherical roller
24 rotate together with drive shaft, and high speed retainer 23 is driven to be rotated, and the shock for allowing piston to carry out high speed generates vapour
Vehicle power can increase the power for hitting and generating, and reduce the loss of driving Process Energy, improve the efficient function of automobile power.
In use, machine oil extra on cylinder wall is scraped off simultaneously guide pin hole 4 and piston pin 7 by external oil ring 3
Between, cooperation back oil road 6 divides oil groove 11, is lubricated to pin hole 4 and piston pin 7, improves greasy property, while piston pin 7 is naked
The grid groove 12 of the outer surface of dew can make the lubricating oil to splash preferably be attached to 7 surface of piston pin, reciprocal with piston
Movement, is attached to lubricating oil in grid groove 12 before and gradually merges into lubrication groove 13 and form oil in piston pin 7 and 8 junction of connecting rod
Film achievees the purpose that lubrication, and when piston is moved up and down, rubber pad 18 can be absorbed interior by the flexible deformation of itself
The vibration generated when portion rubs effectively avoids the vibration from moving on fixing bolt 17, improves the stable structure of piston pin 7
Property, it ensure that the normal operation of engine, then in engine start by driving the high-speed rotation of active to drive efficiently
Bearing arrangement 22 is rotated, and the frictional force of drive shaft turns generation can be reduced by deadening inner ring 26, is rolled by high-precision spherical surface
Son 24 is rotated together with drive shaft, and high speed retainer 23 is driven to be rotated, and the shock for allowing piston to carry out high speed generates
Automobile power, outer ring 25 can protect internal equipment damage.
Claims (5)
1. a kind of engine piston, it is characterised in that: including piston only (1), piston only (1) outer upper is successively set
There are compression ring (2), oil ring (3), position is equipped with pin hole (4) among piston only (1) two sides, sets on the piston only (1)
Have bottom annular groove (5), the piston only (1) is equipped with the back oil road (6) of connection bottom annular groove (5) and pin hole (4), the pin
Piston pin (7) are equipped in hole (4), piston pin (7) insertion is connected in piston only (1), and the piston pin (7) is equipped with
Connecting rob bushing, the connecting rob bushing outside are cased with connecting rod (8), and connecting rod (8) lower part is equipped with upper connection cover (9), the upper company
Lid (9) lower part is connect equipped with lower connection cover (10), pin hole (4) hole wall corresponds to back oil road (6) lower end and is equipped with the use radially extended out
Dividing oil groove (11) for oil liquid dispersion, the depth of the back oil road (6) is greater than the depth of oil ring (3), piston pin (7) outside
Both ends are equipped with grid groove (12), several inclined lubrication grooves (13) are equipped between grid groove described in two groups (12).
2. a kind of engine piston according to claim 1, it is characterised in that: piston pin (7) both ends are equipped with pressure
Ring (14) all has the interconnecting piece (15) of cylindrical protrusion, each interconnecting piece in the both ends of the surface of the piston pin (7)
(15) be surrounded by annular groove (16).
3. a kind of engine piston according to claim 2, it is characterised in that: the annular groove (16) and interconnecting piece
(15) coaxially, the pressure ring (14) is equipped with fixing bolt (17) and connect with annular groove (16), on the fixing bolt (17)
It is provided with rubber pad (18).
4. a kind of engine piston according to claim 1, it is characterised in that: the upper connection cover (9) and lower connection cover
(10) two sides are equipped with bolt hole (19), and connection bolt (20), the lower connection cover (10) two are equipped in the bolt hole (19)
The bolt hole (19) of side is equipped with nut (21) and matches with bolt (20) is connect, the bolt hole (19) and lower connection cover (10)
It is integrated.
5. a kind of engine piston according to claim 1, it is characterised in that: the upper connection cover (9) and lower connection cover
(10) high-efficiency bearing device (22) are equipped between, the high-efficiency bearing device (22) is by high speed retainer (23), spherical roller
(24), outer ring (25), deadening inner ring (26) composition, high speed retainer (23) outside are equipped with spherical roller (24), the ball
Outer ring (25) are equipped on the outside of face roller (24), is equipped on the inside of the high speed retainer (23) and deadens inner ring (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820703101.9U CN208686953U (en) | 2018-05-11 | 2018-05-11 | A kind of engine piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820703101.9U CN208686953U (en) | 2018-05-11 | 2018-05-11 | A kind of engine piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208686953U true CN208686953U (en) | 2019-04-02 |
Family
ID=65877113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820703101.9U Expired - Fee Related CN208686953U (en) | 2018-05-11 | 2018-05-11 | A kind of engine piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208686953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426032A (en) * | 2018-05-11 | 2018-08-21 | 南京世界村汽车动力有限公司 | A kind of engine piston |
-
2018
- 2018-05-11 CN CN201820703101.9U patent/CN208686953U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426032A (en) * | 2018-05-11 | 2018-08-21 | 南京世界村汽车动力有限公司 | A kind of engine piston |
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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: 20190402 Termination date: 20210511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |