CN208870706U - A kind of high-intensitive piston top that drilling is cooling - Google Patents
A kind of high-intensitive piston top that drilling is cooling Download PDFInfo
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- CN208870706U CN208870706U CN201821653996.6U CN201821653996U CN208870706U CN 208870706 U CN208870706 U CN 208870706U CN 201821653996 U CN201821653996 U CN 201821653996U CN 208870706 U CN208870706 U CN 208870706U
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- cooling
- cooling oil
- piston top
- oil chamber
- piston
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Abstract
The utility model belongs to internal combustion engine technologies field, a kind of high-intensitive piston top that drilling is cooling, including the integrally formed piston skirt of piston top and piston top lower surface, the inside of the piston top is equipped with cooling component, cooling component includes outer cooling oil chamber, inclined oil hole of air, interior cooling oil chamber and cooling hole, wherein, the interior cooling oil chamber is provided with the interior surface of piston top, and the interior cooling oil chamber side opens up several inclined oil hole of air；Piston is at work, moving up and down can vibrate, cooling oil is in outer cooling oil chamber, enter cooling oil in the cooling hole that outer cooling oil chamber bores by the oscillation that piston issues, by carrying out brill cooling hole in outer cooling oil chamber, divided equally for 360 ° in the size accordingly calculated, it can guarantee in the case where intensity, improve the cooling effect of piston, outer cooling oil chamber is oil return cavity configuration before solving, it after engine maximum explosive pressure reaches 20MPa, easily deforms, or even the risk cracked.
Description
Technical field
The utility model belongs to internal combustion engine technologies field, and in particular to a kind of high-intensitive piston top that drilling is cooling.
Background technique
Ship power, locomotive and generating set steel top and aluminum skirt, steel head iron skirt and steel top steel skirt built-up piston.
1, most of outer cooling oil chamber of built-up piston piston dome design is revolution oil recess structure currently on the market, is being started
It after machine maximum explosive pressure reaches 20MPa, easily deforms, or even the risk cracked；
2, piston currently on the market is largely single cooling oil nozzle, the cooling oil for be easy to causeing cooling oil nozzle to spray
Deficiency or flow are smaller, flow over cooling oil and the cooling oil for sucking heat is caused to continue to stay in piston top slowly, cause
Piston top heat dissipation is slow, and piston top is caused to overheat, and deforms or carbon distribution problem.
Utility model content
To solve the problems mentioned above in the background art.It is living that the utility model provides a kind of high intensity that drilling is cooling
Plug top has the characteristics that drilling is cooling.
To realize the cooling purpose of above-mentioned drilling, the utility model is provided the following technical solutions: a kind of the high-strength of cooling that drill
Piston top, including the integrally formed piston skirt of piston top and piston top lower surface are spent, the inside of the piston top is equipped with cooling
Component, cooling component include outer cooling oil chamber, inclined oil hole of air, interior cooling oil chamber and cooling hole, wherein the interior cooling oil chamber opens up
In the interior surface of piston top, the interior cooling oil chamber side opens up several inclined oil hole of air, and several inclined oil hole of air one end connections are outer
Cooling oil chamber, the outer cooling oil chamber are drilled with cooling hole, and the lower surface of the piston top is offered close to interior cooling oil chamber position
Bolt fixing hole, the upper surface of the piston top are recessed to form combuster, and the outer surface lower end of the piston top offers ring
Slot.
In order to enable cooling oil more preferably cools down the characteristics of piston top, a kind of drilling as the utility model cools down high-strength
Piston top optimal technical scheme is spent, there are two cooling oil nozzle, two cooling oil nozzles for the lower end placement of the piston skirt
One end be welded with cooling oil pipeline, the lower surface two sides of the piston skirt symmetrically open up that there are two fuel feed holes.
In order to enable cooling oil faster enters piston top purpose feature, the height cooling as a kind of drilling of the utility model
Intensity piston top optimal technical scheme, one end of two fuel feed holes, which is run through, to be connected in outer cooling oil chamber.
In order to enable more preferably achieving the purpose that drilling is cooling and keeps intensity feature, a kind of drilling as the utility model
Cooling high-intensitive piston top optimal technical scheme, the cooling hole are uniformly provided with the inside of outer cooling oil chamber.
In order to enable accessing connection ring convenient for cooling pipe, a kind of cooling high intensity of drilling as the utility model is living
Plug top optimal technical scheme, one end of the cooling oil pipeline is connected with connection ring.
In order to enable piston top, the high intensity cooling as a kind of drilling of the utility model can be entered convenient for cooling oil
Piston top optimal technical scheme, two cooling oil pipeline locations coincide with fuel feed hole.
In order to enable convenient for fixed cooling oil pipeline, the high-intensitive piston top cooling as a kind of drilling of the utility model
The side of optimal technical scheme, the connection ring is welded with fixed plate.
Compared with prior art, the utility model has the beneficial effects that
1, at work, moving up and down can vibrate piston, and cooling oil is sent out in outer cooling oil chamber by piston
Oscillation out enters cooling oil in the cooling hole that outer cooling oil chamber bores, by carrying out brill cooling hole in outer cooling oil chamber, in phase
360 ° of the size that should be calculated is divided equally, it is ensured that in the case where intensity, the cooling effect of piston is improved, before solving
Outer cooling oil chamber is that oil return cavity configuration easily deforms after engine maximum explosive pressure reaches 20MPa, or even produces
The risk of raw crackle.
2, by opening up two fuel feed holes in piston skirt bottom, and two cooling oil pipelines are placed, can allow two it is cold
But spray cooling oil enters fuel feed hole to oil-piping simultaneously, and cooling oil circulates when better, preferably changes piston top
Oil is cooling, and cooling oil flowing is slow before solving, the insufficient problem of cooling oil mass of ejection.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the piston top the schematic diagram of the section structure in the utility model；
Fig. 3 is the piston top top view cross section structural schematic diagram in the utility model；
Fig. 4 is the cooling oil group structural schematic diagram in the utility model；
Fig. 5 is the piston skirt bottom substance schematic diagram in the utility model；
In figure: 1, piston top；101, outer cooling oil chamber；102, annular groove；103, inclined oil hole of air；104, interior cooling oil chamber；105,
Combustion chamber；106, bolt fixing hole；107, cooling hole；2, piston skirt；3, cooling oil pipeline；4, connection ring；5, fixed plate；6, cold
But oil nozzle；7, fuel feed hole.
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.
Embodiment
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of high-intensitive piston top that drilling is cooling, packet
The integrally formed piston skirt 2 of piston top 1 and 1 lower surface of piston top is included, the inside of piston top 1 is equipped with cooling component, cooling group
Part includes outer cooling oil chamber 101, inclined oil hole of air 103, interior cooling oil chamber 104 and cooling hole 107, wherein interior cooling oil chamber 104 opens up
In the interior surface of piston top 1, interior 104 side of cooling oil chamber opens up several inclined oil hole of air 103, several 103 one end of inclined oil hole of air connections
Outer cooling oil chamber 101, outer cooling oil chamber 101 are drilled with cooling hole 107, and the lower surface of piston top 1 is close to interior 104 position of cooling oil chamber
Bolt fixing hole 106 is offered, the upper surface of piston top 1 is recessed to form combuster 105, and the outer surface lower end of piston top 1 is opened
Equipped with annular groove 102.
In the present embodiment, by drilling in outer cooling oil chamber 101, make cooling oil by being oscillated into drilling,
Reach heat absorption cooling.
Specifically, the lower end of piston skirt 2 is placed there are two cooling oil nozzle 6, one end of two cooling oil nozzles 6 is welded
There is a cooling oil pipeline 3, the lower surface two sides of piston skirt 2 symmetrically open up that there are two fuel feed holes 7.
In the present embodiment, by opening up several fuel feed holes 7 in 2 bottom of piston skirt, cooling oil can be allowed to enter faster and lived
Plug top 1.
It is connected in outer cooling oil chamber 101 specifically, one end of two fuel feed holes 7 is run through.
In the present embodiment, entered in outer cooling oil chamber 101 by cooling oil from fuel feed hole 7, cooling oil is by being oscillated into
In cooling hole 107, achieve the purpose that oscillation is cooling.
Specifically, cooling hole 107 is uniformly provided with the inside of outer cooling oil chamber 101.
In the present embodiment, divided equally by 360 ° in the size accordingly calculated, by using up under the premise of proof strength
Amount bores more holes, to improve the cooling effect of piston.
Specifically, one end of cooling oil pipeline 3 is connected with connection ring 4.
In the present embodiment, cooling oil pipeline 3 can be carried out by branch by connection ring 4, realize that two cooling oil pipelines 3 are same
When into cooling oil more preferably carry out cooling purpose.
Specifically, two 3 positions of cooling oil pipeline coincide with fuel feed hole 7.
It in the present embodiment, is coincide by cooling oil pipeline 3 and 7 position of fuel feed hole, can allow what cooling oil nozzle 6 sprayed to have
Into in fuel feed hole 7.
Specifically, the side of connection ring 4 is welded with fixed plate 5.
In the present embodiment, ring 4 can be fixedly connected with by fixed plate 5 by the way that plate 5 is welded and fixed in connection ring 4 position
It sets.
The working principle and process for using of the utility model: the utility model installs can be used later, in piston work
During work, fuel feed hole 7 forms high pressure by burning, and the piston made moves up and down, and when piston moves up and down, can send out
Raw oscillation, bottom coohng oil can be sprayed into fuel feed hole 7 by cooling oil nozzle 6, and cooling oil will enter outer cooling from fuel feed hole 7
In oil pocket 101, cooling oil, by being oscillated into cooling hole 107, carries out the cooling of piston top 1, bores in outer cooling oil chamber 101
Hole is cooled in the structural strength that not only ensure that oscillation cooling effect, but also improve piston top 1, reaches in engine maximum explosive pressure
To after 20MPa, it will not deform or be broken, the utility model is opened up there are two fuel feed hole 7, and sets that there are two cooling oil nozzles
6, two cooling oil nozzles 6 spray cooling oil into fuel feed hole 7 simultaneously, improve oil inlet efficiency, only one is cooled down before avoiding
Oil nozzle 6 and a fuel feed hole 7, occur cooling oil supply or flowing causes cooling effect poor not in time.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of high-intensitive piston top that drilling is cooling, including piston top (1) and the integrally formed work in piston top (1) lower surface
It fills in skirt (2), it is characterised in that: the inside of the piston top (1) is equipped with cooling component, and cooling component includes outer cooling oil chamber
(101), inclined oil hole of air (103), interior cooling oil chamber (104) and cooling hole (107), wherein the interior cooling oil chamber (104) is provided with
The interior surface of piston top (1), interior cooling oil chamber (104) side open up several inclined oil hole of air (103), several inclined oil hole of air
(103) one end connects outer cooling oil chamber (101), and the outer cooling oil chamber (101) is drilled with cooling hole (107), the piston top (1)
Lower surface offered bolt fixing hole (106) close to interior cooling oil chamber (104) position, the upper surface of the piston top (1) is recessed
It falls into and is formed combuster (105), the outer surface lower end of the piston top (1) offers annular groove (102).
2. a kind of cooling high-intensitive piston top of drilling according to claim 1, it is characterised in that: the piston skirt (2)
Lower end place there are two cooling oil nozzle (6), one end of two cooling oil nozzles (6) is welded with cooling oil pipeline
(3), the lower surface two sides of the piston skirt (2) are symmetrically opened up there are two fuel feed hole (7).
3. a kind of cooling high-intensitive piston top of drilling according to claim 2, it is characterised in that: two fuel feed holes
(7) one end is interior through outer cooling oil chamber (101) is connected to.
4. a kind of cooling high-intensitive piston top of drilling according to claim 1, it is characterised in that: the cooling hole
(107) uniformly it is provided with the inside of outer cooling oil chamber (101).
5. a kind of cooling high-intensitive piston top of drilling according to claim 2, it is characterised in that: the cooling oil pipeline
(3) one end is connected with connection ring (4).
6. a kind of cooling high-intensitive piston top of drilling according to claim 2, it is characterised in that: two cooling oils
Pipeline (3) position coincide with fuel feed hole (7).
7. a kind of cooling high-intensitive piston top of drilling according to claim 5, it is characterised in that: the connection ring (4)
Side be welded with fixed plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821653996.6U CN208870706U (en) | 2018-10-12 | 2018-10-12 | A kind of high-intensitive piston top that drilling is cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821653996.6U CN208870706U (en) | 2018-10-12 | 2018-10-12 | A kind of high-intensitive piston top that drilling is cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208870706U true CN208870706U (en) | 2019-05-17 |
Family
ID=66470004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821653996.6U Active CN208870706U (en) | 2018-10-12 | 2018-10-12 | A kind of high-intensitive piston top that drilling is cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208870706U (en) |
-
2018
- 2018-10-12 CN CN201821653996.6U patent/CN208870706U/en active Active
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