CN203614195U - Piston cooling nozzle - Google Patents
Piston cooling nozzle Download PDFInfo
- Publication number
- CN203614195U CN203614195U CN201320780835.4U CN201320780835U CN203614195U CN 203614195 U CN203614195 U CN 203614195U CN 201320780835 U CN201320780835 U CN 201320780835U CN 203614195 U CN203614195 U CN 203614195U
- Authority
- CN
- China
- Prior art keywords
- cooling nozzle
- piston cooling
- hole
- valve body
- valve
- 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 - Lifetime
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 30
- 239000012535 impurity Substances 0.000 claims abstract description 26
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 11
- 230000003449 preventive effect Effects 0.000 claims description 11
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 25
- 239000010721 machine oil Substances 0.000 description 7
- 239000010705 motor oil Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- -1 valve body moves Substances 0.000 description 1
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a piston cooling nozzle. The piston cooling nozzle comprises a bolt body; the bolt body is provided with a through hole along the axial direction; an oil inlet is formed in the lower end of the through hole; an oil outlet hole which is communicated with the through hole is formed in the lateral portion of the bolt body; a valve which can seal the oil outlet hole when the oil pressure is low and open the oil outlet hole when the oil pressure is high is installed inside the through hole. The piston cooling nozzle is characterized in that a reset spring is sleeved to an upper section of the valve; a valve base which is used for pressing the reset spring is installed at the top of the through hole; an impurity retention groove is formed in the external surface on a lower section of the valve. According to the piston cooling nozzle, the nozzle is avoided clamping stagnation due to the fact that small impurities can store in the impurity retention groove temporally; meanwhile the valve is avoided clamping stagnation caused by rusting due to the fact that antirust coatings are arranged on the external surface of the valve and the internal surface of the bolt body; reliability of the piston cooling nozzle is high and meanwhile the piston cooling nozzle requirement for storing conditions is reduced due to the antirust coatings.
Description
Technical field
The utility model relates to a kind of piston cooling nozzle.
Background technique
In the course of the work, engine oil pressure is most important for diesel engine.If engine oil pressure is too low, easily cause main bearingization watt, therefore need to guarantee the engine oil pressure of main oil gallery.Piston cooling nozzle has a significant impact main oil gallery pressure, and former piston cooling nozzle is hollow bolt structure, all can oil spout no matter how low oil pressure is, and this can make main oil gallery pressure lower, can worsen the lubricated environment of bearing shell, finally causing watt.The existing piston cooling nozzle with pressure regulator valve is only just opened after main oil gallery pressure reaches certain value, can guarantee like this normal lubricated of bearing shell, avoids dieselization watt.But motor is in normal course of operation, each friction pair is due to relative movement, inevitably has metal fillings on some friction pairs or the particulate matter of other compositions and enters in the cooling machine oil of engine oil channel, makes to contain in machine oil impurity particle.These impurity are easy to enter in piston cooling nozzle, and the existing piston cooling nozzle with pressure regulator valve, because the gap between pressure regulator valve and hollow bolt is less and be that cylinder contacts, easily there is the fault because of impurity clamping stagnation, cause normally oil spout of piston cooling nozzle, thereby cannot carry out piston effectively coolingly, when serious, can cause engine scuffing, cause heavy losses.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of piston cooling nozzle.
For solving the problems of the technologies described above, the utility model comprises the body of bolt, the described body of bolt is axially arranged with through hole along it, described through hole lower end is filler opening, described body of bolt sidepiece is provided with the oil outlet being communicated with through hole, in described through hole, be provided with in the time that oil pressure is lower oil outlet can be sealed, valve body that oil pressure is opened oil outlet when higher, it is characterized in that described valve body epimere is set with Returnning spring, the top of described through hole is provided with the valve seat for press-fiting Returnning spring, and described valve body hypomere outer surface is provided with impurity indwelling groove.
Described impurity indwelling groove is the annular groove that is arranged on valve body hypomere, and described annular groove is multiple, and it is disposed on valve body.
The center line of described annular groove is perpendicular to the axis of valve body.
The angle of the center line of described annular groove and the axis of valve body is acute angle.
Described impurity indwelling groove is for being arranged on valve body hypomere and along the spiralling spiral chute of valve body.
Described valve outer surface is provided with rust preventive coating.
Described body of bolt internal surface is provided with rust preventive coating.
Described valve seat middle part is provided with the relief hole that connects its upper and lower surface.
Adopt after said structure, small impurities can temporarily be stored in impurity indwelling groove, avoids the direct clamping stagnation of nozzle.While is provided with rust preventive coating at valve outer surface, body of bolt internal surface is provided with rust preventive coating, prevents that valve body is because of the clamping stagnation that gets rusty, and the setting of rust preventive coating makes the reliability of piston cooling nozzle higher, also reduces the requirement of piston cooling nozzle to condition of storage simultaneously.
Accompanying drawing explanation
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation that Fig. 1 analyses and observe along A-A line;
Fig. 3 is the structural representation of valve body.
Embodiment
As depicted in figs. 1 and 2, piston cooling nozzle comprises the body of bolt 5, thereby the body of bolt 5 lower external face are provided with for be connected the screw thread being fixed with diesel-engine body, the body of bolt 5 is axially arranged with through hole along it, through hole lower end is filler opening 6, the body of bolt 5 sidepieces are provided with the oil outlet 4 being communicated with through hole, in through hole, be provided with in the time that oil pressure is lower oil outlet 4 can be sealed, valve body that oil pressure is opened oil outlet 4 when higher.In the present embodiment, through hole hypomere is that oil-feed section, epimere are valve body construction section, and the bottom of the corresponding through hole valve body of oil outlet 4 construction section arranges, and the internal diameter of valve body construction section is greater than the internal diameter of oil-feed section, thus the range that limiting valve body 3 moves downward.The outer surface of valve body 3 epimeres is set with Returnning spring 2, the top of through hole is provided with the valve seat 1 for press-fiting Returnning spring 2, valve seat 1 middle part is provided with the relief hole 7 that connects its upper and lower surface, the maximum outside diameter of valve body 3 hypomeres is slightly less than the internal diameter of through hole, cone match in the conical surface and the body of bolt through hole of valve body 3 lower ends, realize conical surface seal, thereby play the effect of sealing oil outlet 4.In the time that oil pressure is lower, Returnning spring 2 presses down valve body 3, cone match in the conical surface and the body of bolt through hole of valve body 3 lower ends, realize conical surface seal, oil outlet 4 is sealed, and in the time that oil pressure is higher, machine oil upwards promotes valve body 3, compression reseting spring 2, the conical surface of valve body lower end separates with the conical surface in body of bolt through hole, thereby opens oil outlet 4.
For preventing that impurity in machine oil, by valve body 3 and the body of bolt 5 clamping stagnations, is provided with impurity indwelling groove 8 on valve body 3 surfaces, the impurity in machine oil enters in impurity indwelling groove 8 can move up and down with valve body 3 time.Impurity indwelling groove 8 can be the annular groove that is arranged on valve body hypomere, and annular groove is multiple, and it is disposed on valve body.The center line of annular groove is perpendicular to the axis of valve body, or the angle of the center line of annular groove and the axis of valve body is acute angle.As shown in Figure 3, impurity indwelling groove is preferably and is arranged on valve body hypomere and along the spiralling spiral chute of valve body.Spiral chute is for the cylindrical structure of existing valve body, and first spiral fluted tooth, along very little with the surface of contact of the body of bolt 5, can be similar to and be seen as line contact, can reduce its area of contact, thereby reduces the risk of clamping stagnation; If secondly have impurity just on spiral fluted tooth edge, under the promotion of high pressure oil, valve body moves, impurity is easy to depart from tooth along falling in spiral chute, small impurities can temporarily be stored in spiral chute, avoid the direct clamping stagnation of nozzle, when oil pressure is enough, impurity can flow out by top relief hole 7 with the machine oil in spiral chute.In the utility model, impurity indwelling groove also can be other structures, as long as it can reduce the impurity in valve body 3 and the body of bolt 5 area of contact energy indwelling machine oil.
For preventing that valve body is because of the clamping stagnation that gets rusty, can be provided with rust preventive coating at valve outer surface, also can be provided with rust preventive coating at the body of bolt 5 internal surfaces, also can be equipped with rust preventive coating at both surface of contact simultaneously.The setting of rust preventive coating makes the reliability of piston cooling nozzle higher, also reduces the requirement of piston cooling nozzle to condition of storage simultaneously.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model.Previous embodiment has been described in detail the utility model, and for a person skilled in the art, its technological scheme that still can record aforementioned each embodiment is modified, or part technical characteristics is wherein equal to replacement.In every case within inventive concept scope of the present utility model, any modification of making, be equal to replacement, improvement etc., within being all included in protection domain of the present utility model.
Claims (8)
1. a piston cooling nozzle, comprise the body of bolt (5), the described body of bolt (5) is axially arranged with through hole along it, described through hole lower end is filler opening (6), the described body of bolt (5) sidepiece is provided with the oil outlet (4) being communicated with through hole, in described through hole, be provided with in the time that oil pressure is lower and oil outlet (4) can be sealed, when oil pressure is higher, open the valve body (5) of oil outlet (4), it is characterized in that described valve body (5) epimere is set with Returnning spring (2), the top of described through hole is provided with the valve seat (1) for press-fiting Returnning spring (2), described valve body (5) hypomere outer surface is provided with impurity indwelling groove (8).
2. piston cooling nozzle according to claim 1, is characterized in that described impurity indwelling groove (8) is for being arranged on the annular groove of valve body (5) hypomere, and described annular groove is multiple, and it is disposed on valve body (5).
3. piston cooling nozzle according to claim 2, is characterized in that the center line of described annular groove is perpendicular to the axis of valve body (5).
4. piston cooling nozzle according to claim 2, is characterized in that the angle of the center line of described annular groove and the axis of valve body (5) is acute angle.
5. piston cooling nozzle according to claim 1, is characterized in that described impurity indwelling groove (8) is for being arranged on valve body (5) hypomere and along the spiralling spiral chute of valve body (5).
6. according to the piston cooling nozzle described in claim 1 to 5 any one, it is characterized in that described valve body (5) outer surface is provided with rust preventive coating.
7. according to the piston cooling nozzle described in claim 1 to 5 any one, it is characterized in that the described body of bolt (5) internal surface is provided with rust preventive coating.
8. piston cooling nozzle according to claim 1, is characterized in that described valve seat (1) middle part is provided with the relief hole (7) that connects its upper and lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780835.4U CN203614195U (en) | 2013-12-03 | 2013-12-03 | Piston cooling nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780835.4U CN203614195U (en) | 2013-12-03 | 2013-12-03 | Piston cooling nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203614195U true CN203614195U (en) | 2014-05-28 |
Family
ID=50766846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320780835.4U Expired - Lifetime CN203614195U (en) | 2013-12-03 | 2013-12-03 | Piston cooling nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203614195U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987076A (en) * | 2015-03-23 | 2016-10-05 | 株式会社捷太格特 | Tapered roller bearing |
| CN112706879A (en) * | 2021-01-18 | 2021-04-27 | 自然资源部第一海洋研究所 | Mobile positioning type marine environment monitoring platform |
-
2013
- 2013-12-03 CN CN201320780835.4U patent/CN203614195U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987076A (en) * | 2015-03-23 | 2016-10-05 | 株式会社捷太格特 | Tapered roller bearing |
| CN112706879A (en) * | 2021-01-18 | 2021-04-27 | 自然资源部第一海洋研究所 | Mobile positioning type marine environment monitoring platform |
| CN112706879B (en) * | 2021-01-18 | 2021-11-02 | 自然资源部第一海洋研究所 | Mobile positioning type marine environment monitoring platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |