CN107859544A - A kind of valve guide bushing of fast cooling - Google Patents
A kind of valve guide bushing of fast cooling Download PDFInfo
- Publication number
- CN107859544A CN107859544A CN201711056975.6A CN201711056975A CN107859544A CN 107859544 A CN107859544 A CN 107859544A CN 201711056975 A CN201711056975 A CN 201711056975A CN 107859544 A CN107859544 A CN 107859544A
- Authority
- CN
- China
- Prior art keywords
- guide bushing
- valve guide
- hole
- fast cooling
- 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.)
- Pending
Links
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
- F01M9/103—Lubrication of valve gear or auxiliaries of valve stem and guide
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of valve guide bushing of fast cooling, including valve guide bushing body and the mounting seat being arranged on the valve guide bushing body, the valve guide bushing body is divided into body upper part and body lower part by the mounting seat, wherein, the body upper part is provided with through hole, one end of the through hole connects the endoporus of the valve guide bushing, and the other end connects the valve guide bushing lateral wall；The body lower part is provided with spigot surface, and the spigot surface is the conical surface.The setting of through hole increases area of dissipation, and the heat that can be easy to passing to valve into conduit is quickly delivered in external environment condition；Conical hole is big compared with the area of the cylindrical hole of same volume, therefore it has bigger area of dissipation, and due to small space between valve stem and valve guide bushing be present, in the up and down motion of valve stem, the heat of internal combustion engines can be shed out of conical hole, and conical hole is easy to be formed scattered wind passage faster, can cool faster.
Description
Technical field
The present invention relates to internal combustion engine part technical field, and in particular to a kind of valve guide bushing of fast cooling.
Background technology
Valve guide bushing is the guider of automotive engine valves, and valve is play the guiding role, and makes the heat on valve stem
Amount is transmitted to cylinder cover through valve guide bushing.The valve of press-in cylinder head or cylinder block is led after the inside and outside face of cylinder of valve guide bushing is processed
In pore, hinge endoporus is then finished again, and to prevent axial rotation, provided with snap ring locating slot, it coordinates with positioning snap ring
Prevent that conduit is mobile and falls into cylinder during work, typically leaves slight clearance, makes valve stem between valve stem and valve guide bushing
Can free movement in the catheter, valve guide bushing operating temperature is higher, lubrication it is poor, typically with graphitiferous higher cast iron or iron-based
Powder metallurgy is made, to improve self-lubricating property,
But the heat dispersion of existing valve guide bushing is limited, the requirement that higher heat is lost in engine can not be met, and adopt
Positioned with positioning snap ring, complex operation, and precision is higher, percent defective is high.
The defects of existing in view of above-mentioned existing valve guide bushing, the present inventor are more based on such product design manufacture is engaged in
The practical experience and professional knowledge that year enriches, and coordinate the utilization of scientific principle, actively it is subject to research and innovation, it is a kind of quick to found
The valve guide bushing of cooling, it is set to have more practicality.By constantly research, design, and after studying sample repeatedly and improving,
Finally the present invention having practical value is created.
The content of the invention
It is a primary object of the present invention to, the defects of overcoming existing valve guide bushing to exist, and a kind of fast cooling is provided
Valve guide bushing, be not only simple to manufacture, required precision is low, and cooling-down effect is obvious, thus more suitable for practicality, and has industry
On value.
The object of the invention to solve the technical problems is realized using following technical scheme.
A kind of valve guide bushing of fast cooling, including valve guide bushing body and the peace that is arranged on the valve guide bushing body
Seat is filled, the valve guide bushing body is divided into body upper part and body lower part by the mounting seat, wherein,
The body upper part is provided with through hole, and one end of the through hole connects the endoporus of the valve guide bushing, and the other end connects
Lead to the valve guide bushing lateral wall；
The end set of the body lower part has spigot surface, and the spigot surface is the conical surface.
As a kind of perferred technical scheme, the through hole is provided with least two, respectively along the valve guide bushing sheet
The length direction of body is uniformly distributed.
As a kind of perferred technical scheme, the through hole is conical hole, and internal diameter is larger in the conical hole one
End connects with the valve guide bushing lateral wall, the less one end of internal diameter and the endoporus of the valve guide bushing in the conical hole
Connection.
As a kind of perferred technical scheme, the internal diameter of smaller one end is 3-5mm in the conical hole, larger one end it is interior
Footpath is 5-7mm.
As a kind of perferred technical scheme, the mounting seat and described this body by integral forming of valve guide bushing.
As a kind of perferred technical scheme, it is provided with external screw thread on the lateral wall of the mounting seat.
As a kind of perferred technical scheme, the bottom of the mounting seat is provided with sealing ring.
As a kind of perferred technical scheme, in addition to hydraulic fluid port is filled, for adding lubricating oil to the endoporus.
As a kind of perferred technical scheme, the top for filling hydraulic fluid port and being arranged on the valve guide bushing body, and it is described
Filling hydraulic fluid port is conical hole, and upward, the conical hole smaller diameter end connects the conical hole larger diameter end with the endoporus.
Using above-mentioned technical proposal, following technique effect can be realized：
1）, through hole setting increase area of dissipation, can be easy to by valve pass to conduit heat be quickly delivered to it is outer
In portion's environment；
2）, conical hole it is big compared with the area of the cylindrical hole of same volume, therefore it has bigger area of dissipation, and due to valve stem
Small space between valve guide bushing be present, can be by the heat of internal combustion engines from cone in the up and down motion of valve stem
Shed in face, and conical hole is easy to be formed scattered wind passage faster, can cool faster；
3）, fill hydraulic fluid port setting can reduce friction between the two easily to increasing lubricating oil between endoporus and valve stem
Resistance.
Brief description of the drawings
Fig. 1 is the sectional view of the valve guide bushing of fast cooling of the present invention；
Fig. 2 is the schematic diagram of the valve guide bushing of fast cooling of the present invention；
Wherein, 1- valve guide bushings body, 2- endoporus, 3- through holes, 4- mounting seats, 5- internal combustion engines, 6- fill hydraulic fluid port.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, to foundation
The valve guide bushing of fast cooling proposed by the present invention its embodiment, feature and its effect, describe in detail as after.
As shown in figure 1, the invention discloses a kind of valve guide bushing of fast cooling, including valve guide bushing body 1 and setting
Mounting seat 4 on valve guide bushing body 1, valve guide bushing body 1 are mounted seat 4 and divided for body upper part and body lower part, installation
After the completion of, body upper part is located at the inside of internal combustion engine 5 in the outside of internal combustion engine 5, body lower part, and mounting seat 4 is fixed on internal combustion engine 5
On, positioning action is played when installing valve guide bushing, wherein,
Body upper part is provided with through hole 3, the endoporus 2 of one end connection valve guide bushing of through hole 3, other end connection valve guide bushing
Lateral wall, the setting of through hole 3 increase area of dissipation, and the heat that can be easy to passing to valve into conduit is quickly delivered to outside
In portion's environment；
The end set of body lower part has spigot surface, and spigot surface is the conical surface, for valve guide bushing body 1 when being installed
It is oriented to.
As a kind of perferred technical scheme, through hole 3 is provided with least two, respectively along the length of valve guide bushing body 1
Degree direction is uniformly distributed.
As a kind of perferred technical scheme, through hole 3 is conical hole, and the larger one end of internal diameter and valve in conical hole
Conduit lateral wall connects, and the less one end of internal diameter connects with the endoporus 2 of valve guide bushing in conical hole.Circle of the conical hole compared with same volume
The area of cylindrical hole is big, therefore it has bigger area of dissipation, and small due to existing between valve stem and valve guide bushing
Space, in the up and down motion of valve stem, the heat inside internal combustion engine 5 can be shed out of conical hole, and conical hole is easy to
Scattered wind passage faster is formed, can be cooled faster.
As a kind of perferred technical scheme, the internal diameter of smaller one end is 3-5mm in conical hole, and the internal diameter of larger one end is
5-7mm。
As a kind of perferred technical scheme, mounting seat 4 is integrally formed with valve guide bushing body 1, is entered to valve guide bushing
During row dismounting, mounting seat 4 can be easy to operation as the stress point of valve guide bushing.
As a kind of perferred technical scheme, external screw thread is provided with the lateral wall of mounting seat 4, externally threaded setting is easy to
It is fixed, can more conveniently it dismantle.
As a kind of perferred technical scheme, the bottom of mounting seat 4 is provided with sealing ring, adds sealing.
As a kind of perferred technical scheme, in addition to hydraulic fluid port 6 is filled, for endoporus 2 plus lubricating oil.
As a kind of perferred technical scheme, the top that hydraulic fluid port 6 is arranged on valve guide bushing body 1 is filled, and fills hydraulic fluid port 6 as cone
Face, upward, conical hole smaller diameter end connects conical hole larger diameter end with endoporus 2.The setting for filling hydraulic fluid port 6 can be easily internal
Increase lubricating oil between hole 2 and valve stem, reduce frictional resistance between the two.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention
Any simple modification, equivalent change and modification made to above example, in the range of still falling within technical solution of the present invention.
Claims (9)
1. a kind of valve guide bushing of fast cooling, it is characterised in that including valve guide bushing body（1）Led with the valve is arranged on
Tube body（1）On mounting seat（4）, the valve guide bushing body（1）By the mounting seat（4）It is divided under body upper part and body
Portion, wherein,
The body upper part is provided with through hole（3）, the through hole（3）One end connect the endoporus of the valve guide bushing（2）,
The other end connects the valve guide bushing lateral wall；
The end set of the body lower part has spigot surface, and the spigot surface is the conical surface.
2. the valve guide bushing of fast cooling according to claim 1, it is characterised in that the through hole（3）Be provided with to
It is few two, respectively along the valve guide bushing body（1）Length direction be uniformly distributed.
3. the valve guide bushing of fast cooling according to claim 1, it is characterised in that the through hole（3）For conical hole,
And the larger one end of internal diameter connects with the valve guide bushing lateral wall in the conical hole, internal diameter less one in the conical hole
End and the endoporus of the valve guide bushing（2）Connection.
4. the valve guide bushing of fast cooling according to claim 3, it is characterised in that smaller one end in the conical hole
Internal diameter is 3-5mm, and the internal diameter of larger one end is 5-7mm.
5. the valve guide bushing of fast cooling according to claim 1, it is characterised in that the mounting seat（4）With the gas
Door catheter body（1）It is integrally formed.
6. the valve guide bushing of fast cooling according to claim 1, it is characterised in that the mounting seat（4）Lateral wall
On be provided with external screw thread.
7. the valve guide bushing of fast cooling according to claim 1, it is characterised in that the mounting seat（4）Bottom set
It is equipped with sealing ring.
8. the valve guide bushing of fast cooling according to claim 1, it is characterised in that also include filling hydraulic fluid port（6）, for
The endoporus（2）Add lubricating oil.
9. the valve guide bushing of fast cooling according to claim 8, it is characterised in that the filling hydraulic fluid port（6）It is arranged on institute
State valve guide bushing body（1）Top, and the filling hydraulic fluid port（6）For conical hole, the conical hole larger diameter end upward, the cone
Face smaller diameter end and the endoporus（2）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711056975.6A CN107859544A (en) | 2017-10-27 | 2017-10-27 | A kind of valve guide bushing of fast cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711056975.6A CN107859544A (en) | 2017-10-27 | 2017-10-27 | A kind of valve guide bushing of fast cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107859544A true CN107859544A (en) | 2018-03-30 |
Family
ID=61697401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711056975.6A Pending CN107859544A (en) | 2017-10-27 | 2017-10-27 | A kind of valve guide bushing of fast cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107859544A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB316430A (en) * | 1928-07-23 | 1929-08-01 | Robert Walsh | Improvements relating to the lubrication of fluid pressure engines |
| JPH07332038A (en) * | 1994-06-01 | 1995-12-19 | Arai Pump Mfg Co Ltd | Valve stem sealing device |
| JPH1162526A (en) * | 1997-08-22 | 1999-03-05 | Fuji Oozx Inc | Supporting structure for shaft part of engine valve |
| US6125810A (en) * | 1998-12-10 | 2000-10-03 | Caterpillar Inc. | Ceramic valve guide with two internal diameters |
| CN101634256A (en) * | 2008-07-24 | 2010-01-27 | 曼柴油机欧洲股份公司 | Cylinder head arrangement with valve cooling and valve lubrication |
| CN103443433A (en) * | 2011-03-30 | 2013-12-11 | 三菱重工业株式会社 | Fuel gas supply device for gas engine |
| CN203717061U (en) * | 2013-12-21 | 2014-07-16 | 潍柴动力股份有限公司 | Air valve guide pipe |
| CN204827718U (en) * | 2015-08-11 | 2015-12-02 | 湖南天雁机械有限责任公司 | Engine exhaust is circulation canal valve again |
-
2017
- 2017-10-27 CN CN201711056975.6A patent/CN107859544A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB316430A (en) * | 1928-07-23 | 1929-08-01 | Robert Walsh | Improvements relating to the lubrication of fluid pressure engines |
| JPH07332038A (en) * | 1994-06-01 | 1995-12-19 | Arai Pump Mfg Co Ltd | Valve stem sealing device |
| JPH1162526A (en) * | 1997-08-22 | 1999-03-05 | Fuji Oozx Inc | Supporting structure for shaft part of engine valve |
| US6125810A (en) * | 1998-12-10 | 2000-10-03 | Caterpillar Inc. | Ceramic valve guide with two internal diameters |
| CN101634256A (en) * | 2008-07-24 | 2010-01-27 | 曼柴油机欧洲股份公司 | Cylinder head arrangement with valve cooling and valve lubrication |
| CN103443433A (en) * | 2011-03-30 | 2013-12-11 | 三菱重工业株式会社 | Fuel gas supply device for gas engine |
| CN203717061U (en) * | 2013-12-21 | 2014-07-16 | 潍柴动力股份有限公司 | Air valve guide pipe |
| CN204827718U (en) * | 2015-08-11 | 2015-12-02 | 湖南天雁机械有限责任公司 | Engine exhaust is circulation canal valve again |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191220 Address after: 212219 Taiping Road, eight Town, Yangzhong, Jiangsu, Zhenjiang Applicant after: Zhenjiang Weinat Valve Technology Co., Ltd. Address before: 212219 Taiping Road, eight Town, Yangzhong, Jiangsu, Zhenjiang Applicant before: Jiangsu Jinshan Power Technology Co., Ltd. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180330 |
|
| RJ01 | Rejection of invention patent application after publication |