CN208702559U - A kind of vehicle piston of good airproof performance - Google Patents
A kind of vehicle piston of good airproof performance Download PDFInfo
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- CN208702559U CN208702559U CN201821162563.0U CN201821162563U CN208702559U CN 208702559 U CN208702559 U CN 208702559U CN 201821162563 U CN201821162563 U CN 201821162563U CN 208702559 U CN208702559 U CN 208702559U
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- piston
- piston skirt
- mounting groove
- fixed
- skirt
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Abstract
The utility model discloses a kind of vehicle pistons of good airproof performance, including piston skirt, the inner wall of the piston skirt is fixed with stainless steel wearing layer, and stainless steel wearing layer is double-layer structure, high-temperature alloy enhancement layer is fixed at the interlayer of the piston skirt, the top of the piston skirt is equipped with piston head, the piston head is equipped with mounting groove, there are three the mounting groove is set altogether, the spacing of the adjacent mounting groove is equal, being fastened on the mounting groove has spheroidal graphite cast-iron sealing ring, and the top of the piston head is equipped with piston top.The utility model, stainless steel wearing layer is fixed with by the inner wall of piston skirt, and high-temperature alloy enhancement layer is fixed at the interlayer of piston skirt, make piston skirt that there is good wear-resisting and excellent elevated temperature strength, good anti-oxidant and hot corrosion resistance, fatigue behaviour, fracture toughness, extend the service life of piston skirt.
Description
Technical field
The utility model relates to technical field of automobile components, the vehicle piston of specifically a kind of good airproof performance.
Background technique
Piston is parts reciprocating in Motor Engine Cylinder body.The basic structure of piston can be divided into top, head
Portion and skirt section.Top land is the major part for forming combustion chamber, and shape is related with selected combustion-chamber shape.Gasoline engine
Flat-head piston is mostly used, its advantage is that endotherm area is small.Usually there are various pits, specific shape at the top of diesel engine piston
Shape, position and size must be all adapted with the mixed Daqu of diesel engine and the requirement of burning.Piston on traditional piston
For skirt since long working is easily damaged, structure is not compact solid.
Utility model content
The purpose of this utility model is to provide a kind of vehicle pistons of good airproof performance, to solve work in the prior art
Piston skirt beyond the Great Wall is since long working is easily damaged, the not compact solid problem of structure.
To achieve the above object, the utility model provides the following technical solutions: a kind of vehicle piston of good airproof performance, packet
Piston skirt is included, the inner wall of the piston skirt is fixed with stainless steel wearing layer, and stainless steel wearing layer is double-layer structure, the piston
High-temperature alloy enhancement layer is fixed at the interlayer of skirt, the top of the piston skirt is equipped with piston head, sets on the piston head
There is mounting groove, there are three the mounting groove is set altogether, the spacing of the adjacent mounting groove is equal, is fastened on the mounting groove
There is spheroidal graphite cast-iron sealing ring, the top of the piston head is equipped with piston top.
Preferably, the piston skirt is equipped with oilhole, and there are two oilhole sets altogether, the inner wall of two oilholes is fixed with
Sealing ring.
Preferably, the depth of the mounting groove is the half of spheroidal graphite cast-iron thickness of sealing ring.
Preferably, high temperature resistance protective layer is fixed on the piston top, and the top of piston top is flat-head type.
Preferably, the diameter of the oilhole is 0.3 times of piston skirt internal diameter.
Compared with prior art, the utility model has the beneficial effects that the utility model is scientific and reasonable for structure, it is easy to use
Efficiently；It is fixed with stainless steel wearing layer by the inner wall of piston skirt, and is fixed with high-temperature alloy reinforcement at the interlayer of piston skirt
Layer makes piston skirt have good wear-resisting and excellent elevated temperature strength, good anti-oxidant and hot corrosion resistance, fatigability
Energy, fracture toughness, extend the service life of piston skirt；By being set on piston head there are three mounting groove, and on three mounting grooves
The phenomenon that being fastened has spheroidal graphite cast-iron sealing ring, makes piston motion have good leakproofness, is less prone to leakage, and spheroidal graphite
Cast iron sealing ring has certain wear-resisting and resistant to high temperature characteristic.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the construction profile of the utility model.
In figure: 1, piston skirt；2, oilhole；3, mounting groove；4, spheroidal graphite cast-iron sealing ring；5, piston head；6, piston top；7, resistance to
High temperature alloy enhancement layer；8, stainless steel wearing layer；9, sealing ring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to FIG. 1-2, in the utility model embodiment, a kind of vehicle piston of good airproof performance, including piston skirt 1,
The inner wall of piston skirt 1 is fixed with stainless steel wearing layer 8, and stainless steel wearing layer 8 is double-layer structure, is consolidated at the interlayer of piston skirt 1
Surely there is high-temperature alloy enhancement layer 7, stainless steel wearing layer 8 is fixed with by the inner wall of piston skirt 1, and at the interlayer of piston skirt 1
It is fixed with high-temperature alloy enhancement layer 7, makes piston skirt 1 that there is good wear-resisting and excellent elevated temperature strength, it is good anti-oxidant
With hot corrosion resistance, fatigue behaviour, fracture toughness, the service life of piston skirt 1 is extended, piston skirt 1 is equipped with oilhole 2,
And there are two oilhole 2 sets altogether, the diameter of oilhole 2 is 0.3 times of 1 internal diameter of piston skirt, and the inner wall of two oilholes 2 is fixed with sealing ring
9, sealing ring 9 makes oilhole 2 have good leakproofness, is less prone to draining phenomenon, and the top of piston skirt 1 is equipped with piston head 5,
Piston head 5 is equipped with mounting groove 3, and there are three mounting groove 3 is set altogether, the spacing of adjacent fitting grooves 3 is equal, winds on mounting groove 3
It is fixed with spheroidal graphite cast-iron sealing ring 4, the depth of mounting groove 3 is the half of 4 thickness of spheroidal graphite cast-iron sealing ring, by piston head 5
If there are three mounting grooves 3, and being fastened on three mounting grooves 3 has spheroidal graphite cast-iron sealing ring 4, has piston motion good
Leakproofness, the phenomenon that being less prone to leakage, and spheroidal graphite cast-iron sealing ring 4 has certain wear-resisting and resistant to high temperature characteristic, piston
First 5 top is equipped with piston top 6.
The working principle of the utility model is: when using piston, there are three mounting grooves 3 due to setting on piston head 5, adjacent
3 spacing of mounting groove is equal, while being fastened on three mounting grooves 3 and have spheroidal graphite cast-iron sealing ring 4, three spheroidal graphite cast-iron sealings
Ring 4 makes piston motion have good leakproofness, is less prone to leakage phenomenon, while spheroidal graphite cast-iron sealing ring 4 is with good
High temperature resistant feature, and 1 inner wall of piston skirt is fixed with stainless steel wearing layer 8, and the gap location of piston skirt 1 is fixed with high-temperature alloy
Enhancement layer 7 makes piston skirt 1 have good wear-resisting, more compact structure and solid, and then extends the service life of piston skirt 1,
The inner wall of two oilholes 2 is respectively and fixedly provided with sealing ring 9 simultaneously, and sealing ring 9 avoids oilhole 2 and draining phenomenon occurs, improves sealing
The practicability of the good vehicle piston of property.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of vehicle piston of good airproof performance, including piston skirt (1), it is characterised in that: the inner wall of the piston skirt (1) is solid
Surely have stainless steel wearing layer (8), and stainless steel wearing layer (8) is double-layer structure, is fixed at the interlayer of the piston skirt (1) resistance to
The top of high temperature alloy enhancement layer (7), the piston skirt (1) is equipped with piston head (5), and the piston head (5) is equipped with installation
Slot (3), there are three the mounting groove (3) sets altogether, the spacing of the adjacent mounting groove (3) is equal, twines on the mounting groove (3)
Around being fixed with spheroidal graphite cast-iron sealing ring (4), the top of the piston head (5) is equipped with piston top (6).
2. a kind of vehicle piston of good airproof performance according to claim 1, it is characterised in that: on the piston skirt (1)
Equipped with oilhole (2), and there are two oilhole (2) sets altogether, the inner wall of two oilholes (2) is fixed with sealing ring (9).
3. a kind of vehicle piston of good airproof performance according to claim 1, it is characterised in that: the mounting groove (3)
Depth is the half of spheroidal graphite cast-iron sealing ring (4) thickness.
4. a kind of vehicle piston of good airproof performance according to claim 1, it is characterised in that: on the piston top (6)
It is fixed with high temperature resistance protective layer, and the top of piston top (6) is flat-head type.
5. a kind of vehicle piston of good airproof performance according to claim 2, it is characterised in that: the oilhole (2) it is straight
Diameter is 0.3 times of piston skirt (1) internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821162563.0U CN208702559U (en) | 2018-07-23 | 2018-07-23 | A kind of vehicle piston of good airproof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821162563.0U CN208702559U (en) | 2018-07-23 | 2018-07-23 | A kind of vehicle piston of good airproof performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208702559U true CN208702559U (en) | 2019-04-05 |
Family
ID=65938933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821162563.0U Active CN208702559U (en) | 2018-07-23 | 2018-07-23 | A kind of vehicle piston of good airproof performance |
Country Status (1)
| Country | Link |
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| CN (1) | CN208702559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110188438A (en) * | 2019-05-22 | 2019-08-30 | 安徽江淮汽车集团股份有限公司 | Piston heat engine fatigue analysis method, equipment, storage medium and device |
-
2018
- 2018-07-23 CN CN201821162563.0U patent/CN208702559U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110188438A (en) * | 2019-05-22 | 2019-08-30 | 安徽江淮汽车集团股份有限公司 | Piston heat engine fatigue analysis method, equipment, storage medium and device |
| CN110188438B (en) * | 2019-05-22 | 2020-10-02 | 安徽江淮汽车集团股份有限公司 | Piston heat engine fatigue analysis method, equipment, storage medium and device |
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