CN206233982U - Engine piston cooling nozzle - Google Patents
Engine piston cooling nozzle Download PDFInfo
- Publication number
- CN206233982U CN206233982U CN201621353184.0U CN201621353184U CN206233982U CN 206233982 U CN206233982 U CN 206233982U CN 201621353184 U CN201621353184 U CN 201621353184U CN 206233982 U CN206233982 U CN 206233982U
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- CN
- China
- Prior art keywords
- engine
- nozzle
- piston cooling
- cooling nozzle
- piston
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- 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.)
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- Lubrication Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of engine piston cooling nozzle, including nozzle body, two nozzle openings for corresponding to oil spout in the adjacent cylinders to engine respectively are provided with nozzle body；I.e. the utility model can be cooled down by a piston cooling nozzle to the piston in two adjacent cylinders, can in engine operation process efficient cooling piston base, save piston cooling nozzle usage quantity, save use cost；Simultaneously on the reserved installation position of the crankcase that the piston cooling nozzle can be directly mounted at engine, then engine cylinder-body is connected with crankcase again, to realize the casing wall lower section that piston cooling nozzle is located between adjacent cylinders, install and easily realize, it is installed without being separately provided frock again, it is not only convenient and swift, erection schedule is saved, and also cost is substantially reduced.
Description
Technical field
The utility model is related to engine art, more particularly to a kind of engine piston cooling nozzle.
Background technology
Automobile in the process of running, in order to ensure piston of automobile engine head be unlikely to overheat, it is necessary to piston crown
Cooled down, the principle of cooling is that cooling oil duct is set in the head of piston, then the piston by being installed on cylinder head is cooled down
Nozzle, to spray cooling machine oil in cooling oil duct, the purpose of piston crown temperature is reduced to reach.Designed in traditional engine
In, a piston generally sets a cooling nozzles, and oil spout direction immobilizes, and needs to set multiple cold in multicylinder engine
But nozzle holder, and be arranged on cylinder body piston cooling nozzle, due to needing that combustion chamber and piston mounting structure are kept away. more
Allow, it usually needs special frock is set piston cooling nozzle is arranged on engine cylinder-body, installation procedure is complicated, and uses
It is relatively costly.
Accordingly, it would be desirable to existing engine piston cooling nozzle is improved, in energy re-generating engine running efficiently
Rate cooling piston, and the usage quantity of parts can be saved, it is cost-effective.
Utility model content
In view of this, the utility model provides a kind of engine piston cooling nozzle, high in energy re-generating engine running
Efficiency cooling piston, and the usage quantity of parts can be saved, it is cost-effective.
Engine piston cooling nozzle of the present utility model, including nozzle body, are provided with for respectively on nozzle body
Corresponding two nozzle openings to oil spout in the adjacent cylinders of engine.
Further, the fuel feed hole of the crankcase oil leab for being communicated in engine is formed on the bottom of piston cooling nozzle,
Nozzle opening is connected and outward-dipping setting upwards with fuel feed hole.
Further, the angle of the hole elongated central line of two nozzle openings is 70 ° -75 °.
Further, nozzle body upwardly extend be formed with it is spacing for the casing wall bottom between engine adjacent cylinders
The limited post of cooperation.
Further, the ring that location and installation is formed for the crankcase with engine is additionally provided with piston cooling nozzle
Shoulder.
Further, nozzle body bottom is provided with the sealing ring mounting groove for installing sealing ring.
Further, fuel feed hole is Venturi tube structure.
Further, two nozzle openings are symmetrical arranged by center line of the centerline hole of fuel feed hole.
The beneficial effects of the utility model：Engine piston cooling nozzle of the present utility model, it is arranged on when in use
Casing wall lower section on the crankcase of engine and positioned between multicylinder engine adjacent cylinders, by two oil spouts for setting thereon
Hole to the oil spout in the adjacent cylinders of piston cooling nozzle both sides, is cooled down with the bottom to piston respectively, and can also be right
Connecting rod is cooled down；I.e. the utility model can be cooled down by a piston cooling nozzle to the piston in two adjacent cylinders,
Can in engine operation process efficient cooling piston base, save the usage quantity of piston cooling nozzle, saving uses
Cost；Simultaneously on the reserved installation position of the crankcase that the piston cooling nozzle can be directly mounted at engine, then again will hair
Motivation cylinder body is connected with crankcase, to realize the casing wall lower section that piston cooling nozzle is located between adjacent cylinders, installs easily real
It is existing, it is installed without being separately provided frock again, it is not only convenient and swift, erection schedule is saved, and also cost is substantially reduced.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples.
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model use state schematic diagram；
Fig. 3 be the utility model in engine crankshaft box and the assembling schematic diagram of engine cylinder-body.
Specific embodiment
Fig. 1 is the utility model structural representation, and Fig. 2 is the utility model use state schematic diagram, and Fig. 3 is new this practicality
With engine crankshaft box and the assembling schematic diagram of engine cylinder-body in type, dotted line represents nozzle opening oil spout direction in figure, such as schemes
It is shown：The engine piston cooling nozzle of the present embodiment, including nozzle body 1, are provided with nozzle body 1 for corresponding to respectively
To two nozzle openings (being nozzle opening 5 and nozzle opening 5a in figure) of oil spout in the adjacent cylinders of engine；Work of the present utility model
Plug cooling nozzles are applied to multicylinder engine, and it (is cylinder 3 and cylinder in figure that the cylinder body 2 of engine is provided with least two cylinders
3a), can be two cylinders, three cylinders or four cylinder engine, it (is vapour in figure that nozzle body 1 is correspondingly arranged in the adjacent cylinders of engine cylinder-body 2
Cylinder 3 and cylinder 3a) between the lower section of casing wall 4, the corresponding both sides cylinder of nozzle body 1 (being cylinder 3 and cylinder 3a in figure) is respectively provided with
There is a nozzle opening (being nozzle opening 5 and nozzle opening 5a in figure) to piston (being piston 6 and piston 6a in figure) bottom oil spout；Such as
Shown in figure, a piston cooling spray is each provided with the bottom part down of casing wall 4 of adjacent cylinders (being cylinder 3 and cylinder 3a in figure)
Mouth, piston cooling nozzle can enter to cylinder (being cylinder 3 and cylinder 3a in figure) the interior oil spout positioned at its both sides with to piston base
Row cooling；Wherein, piston cooling nozzle 1 is arranged on the crankcase 7 of engine, is set on the crankcase 7 of engine
There is piston cooling nozzle mounting seat 10, the lower end of piston cooling nozzle 1 is inserted directly into be formed in mounting seat and installs, then will start again
Machine cylinder body 2 is assembled with crankcase 7, to realize that piston cooling nozzle is located at adjacent cylinders (being cylinder 3 and cylinder 3a in figure)
The lower section of casing wall 4；Piston pumps in cylinder (being cylinder 3 and cylinder 3a in figure), during engine acting,
, to piston base, using above-mentioned cooling body, a piston cooling nozzle 1 can be to two cylinders (figure for the heat transfer of generation
In be cylinder 3 and cylinder 3a) in piston cooled down, and lower section is upward from cylinder (being cylinder 3 and cylinder 3a in figure)
Injection machine oil, the bottom to piston cools down, the heat produced during piston movement is taken away, so as to reach reduction heat engine
Portion temperature.
In the present embodiment, entering for the oil leab of crankcase 7 for being communicated in engine is formed on the bottom of piston cooling nozzle 1
Oilhole 8, nozzle opening (being nozzle opening 5 and nozzle opening 5a in figure) is connected and outward-dipping setting upwards with the fuel feed hole 8；As schemed
Shown, fuel feed hole 8 is the pore passage structure being vertically arranged, and it extends inward to be formed from the bottom of piston cooling nozzle 1, nozzle opening
The fuel-displaced direction of (being nozzle opening 5 and nozzle opening 5a in figure) is, upwardly and outwardly and towards the direction of piston base, to be formed and inclined
Structure.
In the present embodiment, the angle α of the hole elongated central line of two nozzle openings is that α is 70 ° -75 °；Wherein, preferred angle α
It can be 70 °, 71 °, 72 °, 73 °, 74 ° or 75 °, in this angular range, piston pumps from top dead centre to lower dead center
Position, the machine oil that nozzle opening (by nozzle opening 5 and nozzle opening 5a in figure) sprays can reach piston base, and with piston
Up and down motion can carry out Oil injection cooling to the diverse location of piston base.
In the present embodiment, nozzle body upwardly extend be formed with for adjacent cylinders (in figure for cylinder 3 and cylinder 3a)
Between the spacing cooperation in the bottom of casing wall 4 limited post 7；I.e. the bottom of casing wall 4 can prevent the upward play of piston cooling nozzle 1, to protect
Demonstrate,prove its working stability.
In the present embodiment, it is additionally provided with piston cooling nozzle 1 and forms location and installation for the crankcase 7 with engine
Ring shoulder 8；It is easily formed positioning assembling.
In the present embodiment, the body lower part of piston cooling nozzle 1 is provided with the sealing ring mounting groove for installing sealing ring
9；For installing sealing ring, sealing is formed with to the connection between piston cooling nozzle and crankcase oil leab.
In the present embodiment, fuel feed hole 8 is Venturi tube structure；I.e. self-lubricating oil duct can be formed into the machine oil of fuel feed hole 8 and added
Effect, sprays with jet power higher to piston base.
In the present embodiment, two nozzle openings are symmetrical arranged by center line L of the centerline hole of fuel feed hole；In piston cooling nozzle dress
After being fitted on crankcase, the center line of fuel feed hole overlaps with the symmetrical center line of adjacent cylinders, i.e., each piston cooling nozzle 1 is just
The bottom of casing wall 4 to the adjacent cylinders (being cylinder 3 and cylinder 3a in figure) of engine cylinder-body 2 is set, with preferable centering,
And ensure uniform to the piston oil spout in both sides cylinder (being cylinder 3 and cylinder 3a in figure).
Finally illustrate, above example is only used to illustrate the technical solution of the utility model and unrestricted, although ginseng
The utility model has been described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent, without deviating from the objective and model of technical solutions of the utility model
Enclose, it all should cover in the middle of right of the present utility model.
Claims (8)
1. a kind of engine piston cooling nozzle, it is characterised in that：Including nozzle body, be provided with the nozzle body for
Two nozzle openings of oil spout in the adjacent cylinders to engine are corresponded to respectively.
2. engine piston cooling nozzle according to claim 1, it is characterised in that：The bottom of the piston cooling nozzle
Formation is communicated in the fuel feed hole of the crankcase oil leab of engine, the nozzle opening connect with the fuel feed hole and it is upward to
Outer incline is set.
3. engine piston cooling nozzle according to claim 1, it is characterised in that：Prolong at the hole center of nozzle opening described in two
The angle of line long is 70 ° -75 °.
4. engine piston cooling nozzle according to claim 1, it is characterised in that：The nozzle body upwardly extends one
Body is formed with the limited post for the spacing cooperation in casing wall bottom between engine adjacent cylinders.
5. engine piston cooling nozzle according to claim 1, it is characterised in that：Also set on the piston cooling nozzle
It is equipped with the ring shoulder that location and installation is formed for the crankcase with engine.
6. engine piston cooling nozzle according to claim 1, it is characterised in that：The nozzle body bottom is provided with
Sealing ring mounting groove for installing sealing ring.
7. engine piston cooling nozzle according to claim 2, it is characterised in that：The fuel feed hole is venturi knot
Structure.
8. the engine piston cooling nozzle according to claim 1-7 any claims, it is characterised in that：Sprayed described in two
Oilhole is symmetrical arranged by center line of the centerline hole of fuel feed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621353184.0U CN206233982U (en) | 2016-12-09 | 2016-12-09 | Engine piston cooling nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621353184.0U CN206233982U (en) | 2016-12-09 | 2016-12-09 | Engine piston cooling nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206233982U true CN206233982U (en) | 2017-06-09 |
Family
ID=58991762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621353184.0U Active CN206233982U (en) | 2016-12-09 | 2016-12-09 | Engine piston cooling nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206233982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499493A (en) * | 2016-12-09 | 2017-03-15 | 重庆小康工业集团股份有限公司 | Engine piston cooling nozzle tip |
-
2016
- 2016-12-09 CN CN201621353184.0U patent/CN206233982U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499493A (en) * | 2016-12-09 | 2017-03-15 | 重庆小康工业集团股份有限公司 | Engine piston cooling nozzle tip |
| CN106499493B (en) * | 2016-12-09 | 2020-03-10 | 重庆小康工业集团股份有限公司 | Oil spray head for cooling engine piston |
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| GR01 | Patent grant |