CN207989132U - A kind of plunger type piston cooling nozzles - Google Patents
A kind of plunger type piston cooling nozzles Download PDFInfo
- Publication number
- CN207989132U CN207989132U CN201820392391.XU CN201820392391U CN207989132U CN 207989132 U CN207989132 U CN 207989132U CN 201820392391 U CN201820392391 U CN 201820392391U CN 207989132 U CN207989132 U CN 207989132U
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- plunger
- guide sleeve
- valve body
- hole
- plug
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- 238000001816 cooling Methods 0.000 title claims abstract description 23
- 230000009471 action Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 35
- 238000010586 diagram Methods 0.000 description 4
- 239000010721 machine oil Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of plunger type piston cooling nozzles, including valve body and the guide sleeve being arranged in valve body, plunger, spring and plug, the plunger is axially slidably arranged in guide sleeve, the spring one end is resisted against on plunger, its other end is resisted against plug end face, the plug is fixed in the annular groove of guide sleeve tail portion, the guide sleeve, plunger, spring and plug collectively constitute integrally-built Spool assembly and are assemblied in the stepped hole of valve body, and the upper end of the guide sleeve is fixedly connected with the valve body together.The utility model is integrally-built Spool assembly using assembly in valve body, it can make the nozzle it is suitable for various structures, effectively improve the adaptability of assembling structure, convenient for the assembly of product, and the guide sleeve tail end of Spool assembly with valve body by the way of being fixedly connected, structural reliability higher, can effectively prevent the problem of guide sleeve loosens in engine working process.
Description
Technical field
The utility model belongs to automobile engine accessory technical field, more particularly to a kind of plunger type piston cooling nozzles.
Background technology
With the implementation for the emission regulation that country is increasingly stringenter automobile engine, engine with supercharger is constantly reinforced,
Power is constantly promoted.Cause under slow-speed of revolution operating mode, piston temperature increases, to ensure that piston normal work just needs in time to piston
Head is cooled down.Currently, the piston cooling nozzle of mainstream is steel-ball type in industry, being influenced by structure, opening process is slow,
Piston cooling requirement cannot be met, to influence the performance of engine.
In order to solve the above-mentioned technical problem, there is the piston cooling structure using plunger-type structure at present, in existing structure
Each parts of valve inner are that dispersion is assembled, and cause its whole applicability not high, and after prolonged use, be susceptible to
The phenomenon that guide sleeve loosens, structural reliability be not high.
Utility model content
The goal of the invention of the utility model is：In view of the above problems, providing a kind of neither influencing engine
Performance, and disclosure satisfy that piston cooling requirement, and product structure assembles adaptable, the high plunger type piston of use reliability
Cooling nozzles.
What the technical solution of the utility model was realized in：A kind of plunger type piston cooling nozzles, including valve body and
Guide sleeve, plunger, spring and the plug being arranged in valve body, it is characterised in that：The plunger is axially slidably arranged in guide sleeve
Interior, the spring one end is resisted against on plunger, and the other end is resisted against plug end face, and the plug is fixed on guide sleeve tail portion
Annular groove in, the guide sleeve, plunger, spring and plug collectively constitute integrally-built Spool assembly and are assemblied in the step of valve body
In hole, the upper end of the guide sleeve is fixedly connected with the valve body together.
Plunger type piston cooling nozzles described in the utility model are socketed organism, described in the valve body periphery
Valve body periphery is provided with annular oil groove, and the annular oil groove of the valve body and the inner hole of body form annular oil cavity, the ring
Shape oil pocket is connect with oil pipe, be provided on the valve body radial direction oil hole being connected to annular oil cavity and with engine main oil gallery
The stepped hole of the axial oilhole of connection, the guide sleeve and valve body forms ring shaped oil passage, and the ring shaped oil passage is connected to radial direction oil hole,
The central through hole being connected to axial oilhole and the radial through-hole being connected to ring shaped oil passage, the column are provided on the guide sleeve
Plug under the action of the spring blocks central through hole, and gas vent is provided on the plug.
Plunger type piston cooling nozzles described in the utility model, the guide sleeve is in integrally I-shaped, under the guide sleeve
End is external to use end face or radial seal with valve body inner bore of step, the guide sleeve upper end by valve body material riveting deform it is fixed or
It is welded and fixed.
Plunger type piston cooling nozzles described in the utility model, the guide sleeve inner cavity be equipped with three-level stepped hole, first
Through-hole and it is connected with the axial oilhole of valve body centered on stepped hole, second step hole and plunger clearance fit, the plunger can be
Second step slides axially in hole along guide sleeve, and third stepped hole is the annular groove for connecting and fixing plug, the plug middle part
Position is provided with gas vent, and the radial through-hole is arranged on the second step hole lower circumferential wall face of guide sleeve.
Plunger type piston cooling nozzles described in the utility model, the plunger take the shape of the letter U, and the spring is positioned over U-shaped
Plunger in, the plunger bore depth of the U-shaped is more than the pressure of spring and height.
Plunger type piston cooling nozzles described in the utility model, the plunger are in the form of a column, on the upper end edge
Its axial direction is provided with guide protrusion part, and the spring is socketed in the guide protrusion part periphery of plunger, the length of the guide protrusion part
Pressure and height of the degree more than spring.
The utility model is integrally-built Spool assembly using assembly in valve body, can make that it is suitable for various structures
Nozzle effectively improves the adaptability of assembling structure, is convenient for the assembly of product, and the guide sleeve tail end of Spool assembly is used with valve body
The mode being fixedly connected, structural reliability higher, can effectively prevent the problem of guide sleeve loosens in engine working process.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is a kind of sectional view of structure of the utility model.
Fig. 3 is a kind of structural schematic diagram of guide sleeve in the utility model.
Fig. 4 is another structural schematic diagram of guide sleeve in the utility model.
Fig. 5 is the sectional view of the utility model another kind structure.
Fig. 6 is another structural schematic diagram of plunger in the utility model.
Reference numeral：1 is valve body, and 2 be guide sleeve, and 3 be plunger, and 4 be spring, and 5 be plug, and 6 be annular oil groove, and 7 be annular
Oil pocket, 8 be radial direction oil hole, and 9 be axial oilhole, and 10 be ring shaped oil passage, and through-hole centered on 11,12 be radial through-hole, and 13 be exhaust
Hole, 14 be body, and 15 be oil pipe, and 16 be guide protrusion part, and 17 be rubber gasket.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As illustrated in fig. 1 and 2, a kind of plunger type piston cooling nozzles, including valve body 1 and the guide sleeve that is arranged in valve body 1
2, plunger 3, spring 4 and plug 5, the plunger 3 are axially slidably arranged in guide sleeve 2, and 4 one end of the spring is resisted against column
On plug 3, the other end is resisted against 5 end face of plug, and the plug 5 is fixed in the annular groove of 2 tail portion of guide sleeve, the guide sleeve 2,
Plunger 3, spring 4 and plug 5 collectively constitute integrally-built Spool assembly and are assemblied in the stepped hole of valve body 1, the guide sleeve 2
Upper end be fixed together with valve body 1.
Wherein, it is socketed organism 14 in 1 periphery of the valve body, 1 periphery of the valve body is provided with annular oil groove 6, it is described
The annular oil groove 6 of valve body 1 forms annular oil cavity 7 with the inner hole of body 14, and the annular oil cavity 7 is connect with oil pipe 15,
The radial direction oil hole 8 being connected to annular oil cavity 7 and the axial oilhole 9 being connect with engine main oil gallery are provided on the valve body 1,
The guide sleeve 2 and the stepped hole of valve body 1 form ring shaped oil passage 10, and the ring shaped oil passage 10 is connected to radial direction oil hole 8, is led described
The central through hole 11 being connected to axial oilhole 9 and the radial through-hole 12 being connected to ring shaped oil passage 10, the column are provided on set 2
Plug 3 blocks central through hole 11 under the action of spring 4, and gas vent 13 is provided on the plug 5.
In the present embodiment, 2 entirety of the guide sleeve is in I-shaped, is adopted with 1 inner bore of step of valve body outside 2 lower end of the guide sleeve
With end face or radial seal, prevent check valve from leaking, as shown in figure 5, it illustrates one kind in guide sleeve lower face and valve body platform
The structure that rubber gasket 17 is sealed is set between the bottom surface of rank hole, and 2 upper end of the guide sleeve is become by valve body material riveting
Shape is fixed or is welded and fixed, and 2 inner cavity of the guide sleeve is equipped with three-level stepped hole, centered on first step hole through-hole 11 and with valve body 1
Axial oilhole 9 be connected, second step hole and 3 clearance fit of plunger, the plunger 3 can be in second step hole along 2 axis of guide sleeve
To sliding, third stepped hole is the annular groove for connecting and fixing plug 5, and 5 intermediate position of the plug is provided with gas vent 13, institute
It states radial through-hole 12 to be arranged on the second step hole lower circumferential wall face of guide sleeve 2, as shown in Figures 3 and 4, shows and set on guide sleeve
Two kinds of structure types of the radial through-hole set.
As shown in Fig. 2, the plunger 3 takes the shape of the letter U, the spring 4 is positioned in the plunger 3 of U-shaped, in the plunger 3 of the U-shaped
Hole depth is more than the pressure of spring 4 and height.
As another structure, as shown in fig. 6, the plunger 3 is in the form of a column, in 3 upper end edge of the plunger, it is axially arranged
There are guide protrusion part 16, the spring 4 to be socketed in 16 periphery of guide protrusion part of plunger 3, the length of the guide protrusion part 16
More than the pressure and height of spring 4.
At work, engine main oil gallery machine oil enters in the axial oilhole and guide sleeve of valve body the nozzle of the utility model
Heart through-hole pushes plunger to retreat, and check valve is opened, and machine oil enters guide sleeve through guide sleeve wall surface radial through-hole and valve body is formed by ring
Shape oil duct, then the radial direction oil hole through valve body enter valve body and body and are formed by annular oil cavity, and by body transverse direction oilhole into
Enter oil pipe, final injection to piston base or piston inner-cooling oil recess cools down piston.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (6)
1. a kind of plunger type piston cooling nozzles, including valve body（1）And it is arranged in valve body（1）Interior guide sleeve（2）, plunger（3）、
Spring（4）And plug（5）, it is characterised in that：The plunger（3）Axially slidably it is arranged in guide sleeve（2）It is interior, the spring
（4）One end is resisted against plunger（3）On, the other end is resisted against plug（5）End face, the plug（5）It is fixed on guide sleeve（2）
In the annular groove of tail portion, the guide sleeve（2）, plunger（3）, spring（4）And plug（5）Collectively constitute integrally-built Spool assembly simultaneously
It is assemblied in valve body（1）Stepped hole in, the guide sleeve（2）Upper end and valve body（1）It is fixed together.
2. plunger type piston cooling nozzles according to claim 1, it is characterised in that：In the valve body（1）Periphery is socketed
Organism（14）, in the valve body（1）Periphery is provided with annular oil groove（6）, the valve body（1）Annular oil groove（6）With body
（14）Inner hole formed annular oil cavity（7）, the annular oil cavity（7）With oil pipe（15）Connection, in the valve body（1）On set
It is equipped with and annular oil cavity（7）The radial direction oil hole of connection（8）And the axial oilhole being connect with engine main oil gallery（9）, described to lead
Set（2）With valve body（1）Stepped hole formed ring shaped oil passage（10）, the ring shaped oil passage（10）With radial direction oil hole（8）Connection, in institute
State guide sleeve（2）On be provided with and axial oilhole（9）The central through hole of connection（11）And and ring shaped oil passage（10）The radial direction of connection
Through-hole（12）, the plunger（3）In spring（4）Under the action of by central through hole（11）It blocks, in the plug（5）On be provided with
Gas vent（13）.
3. plunger type piston cooling nozzles according to claim 2, it is characterised in that：The guide sleeve（2）Whole is in I-shaped
Shape, the guide sleeve（2）Lower end outside and valve body（1）Inner bore of step uses end face or radial seal, the guide sleeve（2）Upper end passes through
The deformation of valve body material riveting is fixed or is welded and fixed.
4. plunger type piston cooling nozzles according to claim 3, it is characterised in that：The guide sleeve（2）Inner cavity is equipped with three
Grade stepped hole, through-hole centered on first step hole（11）And and valve body（1）Axial oilhole（9）It is connected, second step hole and column
Plug（3）Clearance fit, the plunger（3）It can be in second step hole along guide sleeve（2）It slides axially, third stepped hole is for card
Connect fixed plug（5）Annular groove, the plug（5）Intermediate position is provided with gas vent（13）, the radial through-hole（12）Setting
In guide sleeve（2）Second step hole lower circumferential wall face on.
5. plunger type piston cooling nozzles as claimed in any of claims 1 to 4, it is characterised in that：The plunger
（3）It takes the shape of the letter U, the spring（4）It is positioned over the plunger of U-shaped（3）It is interior, the plunger of the U-shaped（3）Bore depth is more than spring（4）
Pressure and height.
6. plunger type piston cooling nozzles as claimed in any of claims 1 to 4, it is characterised in that：The plunger
（3）It is in the form of a column, in the plunger（3）Its axial direction of upper end edge is provided with guide protrusion part（16）, the spring（4）It is socketed in plunger
（3）Guide protrusion part（16）Periphery, the guide protrusion part（16）Length be more than spring（4）Pressure and height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820392391.XU CN207989132U (en) | 2018-03-22 | 2018-03-22 | A kind of plunger type piston cooling nozzles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820392391.XU CN207989132U (en) | 2018-03-22 | 2018-03-22 | A kind of plunger type piston cooling nozzles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989132U true CN207989132U (en) | 2018-10-19 |
Family
ID=63829758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820392391.XU Active CN207989132U (en) | 2018-03-22 | 2018-03-22 | A kind of plunger type piston cooling nozzles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989132U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165463A (en) * | 2021-11-04 | 2022-03-11 | 广州市昊志机电股份有限公司 | Centrifugal air compressor and fuel cell system |
-
2018
- 2018-03-22 CN CN201820392391.XU patent/CN207989132U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165463A (en) * | 2021-11-04 | 2022-03-11 | 广州市昊志机电股份有限公司 | Centrifugal air compressor and fuel cell system |
| CN114165463B (en) * | 2021-11-04 | 2023-12-12 | 广州市昊志机电股份有限公司 | Centrifugal air compressor and fuel cell system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 621000 No.37 Fenghuang Middle Road, high end equipment manufacturing industrial park, Fucheng District, Mianyang City, Sichuan Province Patentee after: Mianyang Fulin Jinggong Co.,Ltd. Address before: 621000 No.37 Fenghuang Middle Road, high end equipment manufacturing industrial park, Fucheng District, Mianyang City, Sichuan Province Patentee before: MIANYANG FULIN PRECISION MACHINING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 621000 No.37 Fenghuang Middle Road, high end equipment manufacturing industrial park, Fucheng District, Mianyang City, Sichuan Province Patentee after: Fulin Precision Co.,Ltd. Country or region after: China Address before: 621000 No.37 Fenghuang Middle Road, high end equipment manufacturing industrial park, Fucheng District, Mianyang City, Sichuan Province Patentee before: Mianyang Fulin Jinggong Co.,Ltd. Country or region before: China |