CN107044308A - A kind of Quick uniform radiating valve guide bushing - Google Patents
A kind of Quick uniform radiating valve guide bushing Download PDFInfo
- Publication number
- CN107044308A CN107044308A CN201710017968.9A CN201710017968A CN107044308A CN 107044308 A CN107044308 A CN 107044308A CN 201710017968 A CN201710017968 A CN 201710017968A CN 107044308 A CN107044308 A CN 107044308A
- Authority
- CN
- China
- Prior art keywords
- guide bushing
- valve guide
- valve
- microflute
- heat
- 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.)
- Pending
Links
- 239000000498 cooling water Substances 0.000 claims abstract description 13
- 230000008676 import Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 239000002826 coolant Substances 0.000 abstract description 14
- 238000001816 cooling Methods 0.000 abstract description 6
- 230000002688 persistence Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 241001270131 Agaricus moelleri Species 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001339 C alloy Inorganic materials 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/08—Valves guides; Sealing of valve stem, e.g. sealing by lubricant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/12—Cooling of valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of Quick uniform radiating valve guide bushing, including valve guide bushing body (1), the tail end of described valve guide bushing body (1) is provided with valve guide bushing band, cylindrical cavity (2) is provided between head in described valve guide bushing body (1) and described valve guide bushing band, heat structure (8) is taken provided with microflute group in described cylindrical cavity (2), described valve guide bushing body (1) is provided with least two connections described cylindrical cavity (2) and the import and export cooling water hole (5) of water jacket.The substantial amounts of heat that valve event is produced can pass to valve stem, the heat for absorbing valve stem generation of the micro-channel energy Fast Persistence of microflute piece formation by valve disc, and can be taken away heat by coolant circulation valve catheter interior micro-channel.Compared to original cooling mechanism, with higher radiating heat flow density, and higher specific heat load.
Description
Technical field
The present invention relates to a kind of valve guide bushing, specifically a kind of Quick uniform radiating valve guide bushing.
Background technology
The function of valve guide bushing is the motion guide to valve, it is ensured that valve makees straight reciprocating motion, makes valve and valve
Seat or valve retainer can correctly fit.In addition, the heat that valve stem receives partly also is transmitted into cylinder head.In gasoline engine,
Inlet valve temperature is 300~500 DEG C, and exhaust valve temperature is 700~900 DEG C, even more high, in internal combustion engine normal operation
In, the part being in contact with high-temperature fuel gas is by strong heating, if not being subject to appropriate cooling, can overheat internal combustion engine, fill
Gas coefficient declines, and burns abnormal (detonation, early combustion etc.), and part will lose because of temperature is too high or change fit clearance, with
And lose lubrication and can not work, machine oil is rotten and scaling loss, the friction and wear aggravation of part, causes dynamic property, the warp of internal combustion engine
Ji property, reliability and durability deteriorate comprehensively.
In traditional radiating, inlet valve is typically manufactured with medium carbon alloy steel, and exhaust valve then uses heat-resisting alloy steel making, is
More preferable radiating, the inlet and outlet door of automobile engine is mushroom valve, and valve top surface has the shapes such as flat-top, concave crown and convex top,
Its is simple in construction, easily manufactured, and heating surface area is small, and inlet and outlet Men Douke is used, because head portion that thermic load is at a relatively high
, and radiating condition is poor, only carrys out indirect heat transfer for some thermic loads very serious diesel oil by the contact with valve retainer
Machine is far from being enough.The temperature of exhaust valve is reduced in order to solve this problem, strengthens the heat-sinking capability of exhaust valve, in many vapour
Natrium cooled valve is used on car engine.This valve is that half metallic sodium is inserted in hollow valve stem, because sodium is molten
Point is 97.8 DEG C, and boiling point is 880 DEG C, so in valve operation, sodium becomes liquid, is intensely shaken up and down in valve stem
It is dynamic, constantly absorb heat from head portion that and be transmitted to valve stem, cooled down head portion that, although this structure can be rapid
Head portion that heat is transmitted to bar portion, but the temperature drop on valve stem is few, causes radiating uneven, produces thermal strain,
The life-span of valve is reduced, more seriously engine oil viscosity can be caused to reduce and easily aged deterioration because radiating is uneven, lubrication state is disliked
Change, abrasion aggravation etc..
The content of the invention
The technical problems to be solved by the invention be to provide one kind can Fast Persistence effectively distribute and passed to by head portion that
Heat and the uniform Quick uniform radiating valve guide bushing that radiates on valve stem.
In order to solve the above-mentioned technical problem, the Quick uniform radiating valve guide bushing that the present invention is provided, including valve guide bushing sheet
Body, the tail end of valve guide bushing body is provided with valve guide bushing band, the intrinsic head of described valve guide bushing and described gas
It is provided between door conduit band in cylindrical cavity, described cylindrical cavity and takes heat structure provided with microflute group, described valve is led
Import and export cooling water hole of the tube body provided with the described cylindrical cavity of at least two connections and water jacket.
Described microflute group takes the micro-channel that heat structure is formed by some microflute pieces and between some described microflute pieces
Constitute.
Some described microflute pieces, which are uniformly distributed, to be located in described cylindrical cavity.
Described microflute piece tilts certain angle formation sped structure and is located in described cylindrical cavity.
Described valve guide bushing band is to offer a few road closure gasket grooves in the tail end of described valve guide bushing body,
Rubber seal is provided with described closure gasket groove.
Using the Quick uniform radiating valve guide bushing of above-mentioned technical proposal, including valve guide bushing body, valve guide bushing sealing
Band, cylindrical cavity, imports and exports cooling water hole and microflute group takes essence in the middle of heat structure, valve guide bushing body to twist endoporus formation cylinder
Cavity, valve guide bushing body length suitably increases, and to reduce valve temperature, valve guide bushing band is in valve guide bushing body tail end
Sealed with cylinder cap, sealing coolant and gas, cylindrical cavity are located between valve guide bushing body head and valve guide bushing band,
And ensure proper wall thickness, meet its performance.Import and export the water jacket and cylindrical cavity in cooling water hole connection cylinder cover, cooling
Liquid is circulated in cylindrical cavity.Microflute group takes the micro-channel that heat structure is formed by some microflute pieces and between some microflute pieces
Constitute, in the cylindrical cavity of valve guide bushing body interior, valve stem is directly come from by the transmission of conduit wall thickness as heat sink
Heat.Microflute group takes the microflute piece Spiral distribution in heat structure, consistent with coolant flow direction, vortex flow.
Valve guide bushing band is to open up a few road closure gasket grooves in the tail end of valve guide bushing body, by with certain elastic
Rubber seal loads in closure gasket groove, prevents coolant and gas from scurrying into,
Using the beneficial effects of the invention are as follows：The present invention has quick continuous coo1ing and uniform microflute group of radiating takes heat
Structure, also has the microflute group in quick cooling system, cylindrical cavity of the invention to take heat structure with heat structure is preferably taken
Due to many micro-channels, largely being lifted compared to original heat dissipation technology and taking heat density, can quickly it absorb by valve
Head is sent to engine valve stem heat, and the sealing property of valve guide bushing and cylinder head ensures that the coolant in cylinder head jacket is passed through
Import and export cooling water hole Water-cooling circulating to send out heat, make its radiating uniform.
In summary, the present invention be it is a kind of can Fast Persistence effectively distribute the heat passed to by head portion that on valve stem
And the uniform Quick uniform radiating valve guide bushing that radiates.
Brief description of the drawings
Fig. 1 is the structural representation after the present invention is assembled with cylinder head.
Fig. 2 is the 3 dimensional drawing of the present invention.
Fig. 3 is the horizontal section view cut-away view of the present invention.
Fig. 4 is the enlarged drawing that microflute group takes heat structure.
Fig. 5 is the longitudinal sectional view of the present invention.
Description of reference numerals：1- valve guide bushing bodies；2- cylindrical cavities；3- snap rings；4- cylinder head；5- imports and exports cooling water
Hole；6- closure gasket grooves；7- microflute pieces；8- microflutes group takes heat structure；9- micro-channels.
Embodiment
Patent of the present invention is described further with reference to the accompanying drawings and examples.
As shown in figure 1, Quick uniform radiating valve guide bushing can Quick diffusing there is valve to send the heat of valve stem to, make
It radiates uniformly, and ensures that valve motion is oriented to, and snap ring 3 is used for positioning valve guide bushing body 1, is fixed with cylinder head 4, makes valve
Bar can the free movement in valve guide bushing body 1, cylindrical cavity 2 is provided with valve guide bushing body 1, as shown in figure 5, valve is led
Cylindrical cavity 2 inside tube body 1 is located between the head of valve guide bushing body 1 and closure gasket groove 6, and ensures proper wall thickness,
Meet in its performance, cylindrical cavity 2 provided with microflute group take heat structure 8, if microflute group take heat structure 8 by some microflute pieces 7 and by
The micro-channel 9 formed between dry microflute piece 7 is constituted, microflute group take heat structure 8 formed many groups of micro-channels 9 as it is heat sink be used for draw
Laterostigmatal heat is taken, door catheter body 1 connects cylindrical cavities 2 and the import and export cooling water hole 5 of water jacket provided with two,
Importing and exporting cooling water hole 5 can communicate with the coolant in the water jacket in cylinder head 4, and coolant is by one of turnover
Mouth cooling water hole 5 enters cylindrical cavity 2 and come out from another import and export cooling water hole 5, participates in cooling water circulation, Fast Persistence band
The heat on heat sink is walked, makes its radiating uniformly, closure gasket groove 6 is in the tail end of valve guide bushing body 1, and closure gasket groove 6 is built with rubber
Glue sealing ring is sealed with cylinder cap, sealing coolant and gas.
In embodiment, referring to Fig. 3 and Fig. 4, microflute piece 7 is made up of the metal material of easy heat radiation, and microflute group takes heat structure 8
The micro-channel 9 that the microflute piece 7 being evenly distributed by many is constituted is constituted, and in cylindrical cavity 2, directly conduit is passed through as heat sink
Wall thickness absorbs the heat from valve stem, and due to microflute, group takes heat structure 8 to have many micro-channels 9 in itself, than original sodium filling valve
The area of dissipation of radiating is smaller, and radiating heat flow density and intensity are higher, the more effective uniform quick heat radiating of continuation.
In embodiment, valve guide bushing band is to open up a few road closure gasket grooves 6 in the tail end of valve guide bushing body 1, will
Load with certain elastic rubber seal in closure gasket groove 6, prevent coolant and gas from scurrying into.
In embodiment, as shown in figure 4, microflute group takes the microflute piece 7 in heat structure 8 by the metal material structure of easy heat radiation
Into, it is consistent with coolant flow direction using center line as axle Spiral distribution, it is streamlined, to reduce the resistance of coolant, Spiral distribution
Microflute piece 7 make coolant vortex flow, be conducive to the internal heat of cylindrical cavity 2 be effectively evenly distributed and more effectively cooling
But liquid band walks the heat on heat sink.
In embodiment, the present invention has quick continuous coo1ing and uniform microflute group of radiating takes heat structure 8, with compared with
The good heat structure that takes also has quick cooling system, and coolant is flowed through in the cylindrical cavity 2 inside valve guide bushing body 1, due to
Microflute group takes the micro-channel 9 of the formation of heat structure 8, is not only largely lifted compared to original heat dissipation technology and takes heat density, and
And can quickly be absorbed by the screw type structure of microflute piece 7 engine valve stem heat, valve guide bushing sheet are sent to by head portion that
The sealing of body 1 and cylinder head 4 can ensure that the coolant in the water jacket of cylinder head 4 is passed through and import and export the water of cooling water hole 5
SAPMAC method sends out heat, makes the life-span of the uniform extension engine correlated parts of its radiating.
Claims (5)
- The valve guide bushing 1. a kind of Quick uniform radiates, including valve guide bushing body (1), the tail of described valve guide bushing body (1) End is provided with valve guide bushing band, it is characterised in that：Head and described valve guide bushing in described valve guide bushing body (1) It is provided between band in cylindrical cavity (2), described cylindrical cavity (2) and takes heat structure (8), described valve provided with microflute group Catheter body (1) is provided with least two connections described cylindrical cavity (2) and the import and export cooling water hole (5) of water jacket.
- The valve guide bushing 2. Quick uniform according to claim 1 radiates, it is characterised in that：Described microflute group takes heat structure (8) micro-channel (9) formed by some microflute pieces (7) and between some described microflute pieces (7) is constituted.
- The valve guide bushing 3. Quick uniform according to claim 2 radiates, it is characterised in that：Some described microflute pieces (7) It is uniformly distributed and is located in described cylindrical cavity (2).
- 4. the Quick uniform radiating valve guide bushing according to Claims 2 or 3, it is characterised in that：Described microflute piece (7) inclines Oblique certain angle formation sped structure is located in described cylindrical cavity (2).
- The valve guide bushing 5. Quick uniform according to claim 1 or 2 radiates, it is characterised in that：Described valve guide bushing is close Envelope band is to offer a few road closure gasket grooves (6) in the tail end of described valve guide bushing body (1), in described closure gasket groove (6) It is interior to be provided with rubber seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710017968.9A CN107044308A (en) | 2017-01-11 | 2017-01-11 | A kind of Quick uniform radiating valve guide bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710017968.9A CN107044308A (en) | 2017-01-11 | 2017-01-11 | A kind of Quick uniform radiating valve guide bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107044308A true CN107044308A (en) | 2017-08-15 |
Family
ID=59543884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710017968.9A Pending CN107044308A (en) | 2017-01-11 | 2017-01-11 | A kind of Quick uniform radiating valve guide bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107044308A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113306355A (en) * | 2021-06-29 | 2021-08-27 | 蚌埠学院 | Semi-active suspension system of automobile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB536999A (en) * | 1940-05-02 | 1941-06-04 | Armstrong Siddeley Motors Ltd | Improvements relating to means for cooling the valve guides of engines |
| US2753853A (en) * | 1952-10-16 | 1956-07-10 | Ricardo & Co Engineers | Air cooled cylinder heads for internal combustion engines |
| JPS59108811A (en) * | 1982-12-14 | 1984-06-23 | Ishikawajima Harima Heavy Ind Co Ltd | Exhaust valve device of internal-combustion engine |
| JP2015206316A (en) * | 2014-04-22 | 2015-11-19 | 本田技研工業株式会社 | Valve guide structure of internal combustion engine |
| CN105201628A (en) * | 2015-09-11 | 2015-12-30 | 成都正升能源技术开发有限公司 | Air cooling device for engine of booster set |
| CN206386163U (en) * | 2017-01-11 | 2017-08-08 | 长沙理工大学 | A kind of Quick uniform radiating valve guide bushing |
-
2017
- 2017-01-11 CN CN201710017968.9A patent/CN107044308A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB536999A (en) * | 1940-05-02 | 1941-06-04 | Armstrong Siddeley Motors Ltd | Improvements relating to means for cooling the valve guides of engines |
| US2753853A (en) * | 1952-10-16 | 1956-07-10 | Ricardo & Co Engineers | Air cooled cylinder heads for internal combustion engines |
| JPS59108811A (en) * | 1982-12-14 | 1984-06-23 | Ishikawajima Harima Heavy Ind Co Ltd | Exhaust valve device of internal-combustion engine |
| JP2015206316A (en) * | 2014-04-22 | 2015-11-19 | 本田技研工業株式会社 | Valve guide structure of internal combustion engine |
| CN105201628A (en) * | 2015-09-11 | 2015-12-30 | 成都正升能源技术开发有限公司 | Air cooling device for engine of booster set |
| CN206386163U (en) * | 2017-01-11 | 2017-08-08 | 长沙理工大学 | A kind of Quick uniform radiating valve guide bushing |
Non-Patent Citations (2)
| Title |
|---|
| 方子严 等: "化工机器", 31 December 1986, 湖北科学技术出版社, pages: 122 * |
| 陆耀祖: "内燃机构造与原理", 31 March 2004, 中国建材工业出版社, pages: 62 - 63 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113306355A (en) * | 2021-06-29 | 2021-08-27 | 蚌埠学院 | Semi-active suspension system of automobile |
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