CN112253278A - Exhaust valve rod rotating device of automobile engine - Google Patents
Exhaust valve rod rotating device of automobile engine Download PDFInfo
- Publication number
- CN112253278A CN112253278A CN202011205508.7A CN202011205508A CN112253278A CN 112253278 A CN112253278 A CN 112253278A CN 202011205508 A CN202011205508 A CN 202011205508A CN 112253278 A CN112253278 A CN 112253278A
- Authority
- CN
- China
- Prior art keywords
- exhaust valve
- spring
- valve
- valve rod
- automobile engine
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses an automobile engine exhaust valve rod rotating device which comprises an exhaust valve rod, a base, a steel ball, a disc spring, a cover cap, a locking block, a rotating sleeve, an upper seat, an inner spring, an outer spring and the like; the invention has reasonable and simple structure, low production cost, convenient installation and complete functions, and the disc spring is arranged, the valve reciprocates up and down to extrude the annular spring, so that the annular spring generates certain torsional force, the torsional force of the annular spring is transmitted to the valve through the valve spring, and the valve slowly rotates in the working process of the internal combustion engine, thereby achieving the purposes of ensuring that the sealing surface of the valve is uniformly worn and damaged and improving the working reliability of the engine.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a rotating device for an exhaust valve rod of an automobile engine.
Background
With the continuous development of society, environmental protection becomes a common problem all over the world, the engine is used as a large user for generating exhaust gas, the emission of the engine is reduced, the engine is a continuous striving target of engine manufacturers, in order to meet increasingly strict emission requirements, a plurality of engines gradually begin to adopt a multi-valve technology, and the internal space of an engine cylinder cover is increasingly tense.
In order to meet the reliability of the air valve, the air valve must rotate to a certain extent in the working process so as to ensure that the sealing surface of the air valve is uniformly abraded, is not eccentric and is not easy to ablate. The traditional valve rotating device has the defects that the cost of the whole machine is high due to the fact that the number of parts is large and the cost is high, the cost control of the whole machine is not facilitated, a valve works in high-temperature and high-pressure gas, particularly, the thermal load on an exhaust valve is large, the lubricating effect is not good, the exhaust valve is subjected to unidirectional local abrasion, the service lives of the valve and an engine are shortened, and therefore a technology is needed to make up for the defects.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide an exhaust valve lever rotating apparatus for an automobile engine.
In order to solve the above problems, the present invention provides a technical solution: a rotary device for an exhaust valve rod of an automobile engine comprises an exhaust valve rod, a base, a steel ball, a disc spring, a cover cap, a lock block, a rotary sleeve, an upper seat, an inner spring and an outer spring; the locking block is connected to the outer surface of the upper end of the exhaust valve rod in a covering mode; the rotating sleeve is connected to the outer surface of the locking block in a wrapping mode; the upper seat is connected to the outer surface of the rotary sleeve in a wrapping manner; the base is connected to the outer surface of the lower end of the exhaust valve rod in a covering mode; the cover cap is connected to the outer surface of the upper end of the base in a covering manner; a steel ball is arranged in a groove preset in the base; the disc spring is arranged in a gap between the base and the cover; the inner spring is connected to the outer surface of the exhaust valve rod in a covering manner; the outer spring is disposed outside the inner spring.
Preferably, the exhaust valve rod has a specific structure that: comprises a valve stem, a valve disc part, a valve neck, a taper sealing surface and a concave surface; the valve rod, the valve neck and the valve disc part are integrally formed together; a taper sealing surface is arranged at the joint of the valve disc part and the valve neck part; and a concave surface is arranged on the outer surface of the upper end of the valve rod.
Preferably, the upper end of the inner side wall of the base is sequentially provided with an upper sealing surface, a taper transition surface and a lower sealing surface from top to bottom.
Preferably, the upper end of the inner side surface of the locking block is provided with a flange, and the flange is in contact with the concave surface.
Preferably, the outer surface of the cover is stepped.
Preferably, the upper seat has a trapezoidal shape.
The invention has the beneficial effects that:
(1) the invention has reasonable and simple structure, low production cost, convenient installation and complete functions, and the disc spring is arranged, the valve reciprocates up and down to extrude the annular spring, so that the annular spring generates certain torsional force, the torsional force of the annular spring is transmitted to the valve through the valve spring, and the valve slowly rotates in the working process of the internal combustion engine, thereby achieving the purposes of ensuring that the sealing surface of the valve is uniformly worn and damaged and improving the working reliability of the engine.
(2) The invention has simple structure, convenient installation and low manufacturing cost, and can ensure that the valve rotates while working in a severe environment, thereby avoiding the phenomena of unidirectional local abrasion and shortening the service life of the engine.
Drawings
Fig. 1 is a schematic structural diagram of a base of the present invention.
Fig. 2 is a schematic structural view of the upper seat of the present invention.
Fig. 3 is a schematic structural view of the exhaust valve lever of the present invention.
Fig. 4 is a schematic structural diagram of the present invention.
1-exhaust valve lever; 2-a base; 3-steel ball; 4-a disc spring; 5-covering the cover; 6-locking block; 7-rotating the sleeve; 8-upper seat; 9-an internal spring; 10-an outer spring; 11-valve stem; 12-a valve disc portion; 13-valve neck; 14-tapered sealing surface; 15-concave surface; 21-taper transition surface; 22-lower sealing surface; 23-upper sealing surface; 61-flange.
Detailed Description
As shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: an automobile engine exhaust valve rod rotating device comprises an exhaust valve rod 1, a base 2, a steel ball 3, a disc spring 4, a cover 5, a locking block 6, a rotating sleeve 7, an upper seat 8, an inner spring 9 and an outer spring 10; the locking block 6 is connected to the outer surface of the upper end of the exhaust valve rod 1 in a covering manner; the rotating sleeve 7 is connected to the outer surface of the locking block 6 in a wrapping manner; the upper seat 8 is connected to the outer surface of the rotary sleeve 7 in a wrapping manner; the base 2 is connected to the outer surface of the lower end of the exhaust valve rod 1 in a covering mode; the cover 5 is connected to the outer surface of the upper end of the base 2 in a covering manner; a steel ball 3 is arranged in a groove preset in the base 2; the belleville spring 4 is arranged in a gap between the base 2 and the cover 5; the inner spring 9 is connected to the outer surface of the exhaust valve rod 1 in a covering manner; the outer spring 10 is arranged outside the inner spring 9.
As shown in fig. 1 to 4, the exhaust valve rod 1 has a specific structure: comprises a valve rod 11, a valve disc part 12, a valve neck 13, a taper sealing surface 14 and a concave surface 15; the valve stem 11, the valve neck 13 and the valve disc part 12 are integrally formed together; a taper sealing surface 14 is arranged at the joint of the valve disc part 12 and the valve neck part 13; the outer surface of the upper end of the valve rod 11 is provided with a concave surface 15.
Wherein, the upper end of the inner side wall of the base 2 is sequentially provided with an upper sealing surface 23, a taper transition surface 21 and a lower sealing surface 22 from top to bottom; a flange 61 is arranged at the upper end of the inner side surface of the locking block 6, and the flange 61 is in contact with the concave surface 15; the outer surface of the cover cap 5 is step-shaped; the upper seat 8 is in a trapezoidal shape.
The using state of the invention is as follows: the invention has reasonable and simple structure, low production cost, convenient installation and complete functions, and the disc spring is arranged, the valve reciprocates up and down to extrude the annular spring, so that the annular spring generates certain torsional force, the torsional force of the annular spring is transmitted to the valve through the valve spring, and the valve slowly rotates in the working process of the internal combustion engine, thereby achieving the purposes of ensuring that the sealing surface of the valve is uniformly worn and damaged and improving the working reliability of the engine; the invention has simple structure, convenient installation and low manufacturing cost, and can ensure that the valve rotates while working in a severe environment, thereby avoiding the phenomena of unidirectional local abrasion and shortening the service life of the engine.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
The control mode of the invention is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power source belong to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the wiring arrangement are not explained in detail in the invention.
Claims (6)
1. The utility model provides an automobile engine exhaust valve pole rotary device which characterized in that: comprises an exhaust valve rod (1), a base (2), a steel ball (3), a disc spring (4), a cover cap (5), a locking block (6), a rotary sleeve (7), an upper seat (8), an inner spring (9) and an outer spring (10);
the locking block (6) is connected to the outer surface of the upper end of the exhaust valve rod (1) in a covering mode;
the rotating sleeve (7) is connected to the outer surface of the locking block (6) in a wrapping mode;
the upper seat (8) is connected to the outer surface of the rotary sleeve (7) in a wrapping manner;
the base (2) is connected to the outer surface of the lower end of the exhaust valve rod (1) in a covering mode;
the cover cap (5) is connected to the outer surface of the upper end of the base (2) in a covering manner;
a steel ball (3) is arranged in a groove preset in the base (2);
the disc spring (4) is arranged in a gap between the base (2) and the cover cap (5);
the inner spring (9) is connected to the outer surface of the exhaust valve rod (1) in a covering manner;
the outer spring (10) is arranged outside the inner spring (9).
2. The exhaust valve lever rotating apparatus for the automobile engine according to claim 1, wherein: the exhaust valve rod (1) has the specific structure that: comprises a valve rod (11), a valve disk part (12), a valve neck part (13), a taper sealing surface (14) and a concave surface (15);
the valve rod (11), the valve neck (13) and the valve disc part (12) are integrally formed together;
a taper sealing surface (14) is arranged at the joint of the valve disc part (12) and the valve neck part (13);
and a concave surface (15) is arranged on the outer surface of the upper end of the valve rod (11).
3. The exhaust valve lever rotating apparatus for the automobile engine according to claim 1, wherein: the upper end of the inner side wall of the base (2) is sequentially provided with an upper sealing surface (23), a taper transition surface (21) and a lower sealing surface (22) from top to bottom.
4. The exhaust valve lever rotating apparatus for the automobile engine according to claim 1, wherein: the upper end of the inner side face of the locking block (6) is provided with a flange (61), and the flange (61) is in contact with the concave face (15).
5. The exhaust valve lever rotating apparatus for the automobile engine according to claim 1, wherein: the outer surface of the cover cap (5) is step-shaped.
6. The exhaust valve lever rotating apparatus for the automobile engine according to claim 1, wherein: the upper seat (8) is in a trapezoidal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011205508.7A CN112253278A (en) | 2020-11-02 | 2020-11-02 | Exhaust valve rod rotating device of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011205508.7A CN112253278A (en) | 2020-11-02 | 2020-11-02 | Exhaust valve rod rotating device of automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112253278A true CN112253278A (en) | 2021-01-22 |
Family
ID=74268527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011205508.7A Pending CN112253278A (en) | 2020-11-02 | 2020-11-02 | Exhaust valve rod rotating device of automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112253278A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040200451A1 (en) * | 2003-04-08 | 2004-10-14 | Leimer Mark A. | Dual spring valve stem seal module |
| CN202065027U (en) * | 2011-04-28 | 2011-12-07 | 章升谊 | Coating friction-reducing valve rotating mechanism |
| CN202578815U (en) * | 2012-03-29 | 2012-12-05 | 浙江吉利汽车研究院有限公司 | Connecting structure for valve spring seat |
| CN203925643U (en) * | 2014-02-26 | 2014-11-05 | 奇瑞汽车股份有限公司 | A kind of valve rotating mechanism |
| CN104343485A (en) * | 2013-08-08 | 2015-02-11 | 曼柴油机和涡轮机欧洲股份公司 | Gas exchange valve with valve rotating device |
| CN204371440U (en) * | 2015-01-08 | 2015-06-03 | 广西玉柴机器股份有限公司 | Valve rotating device |
-
2020
- 2020-11-02 CN CN202011205508.7A patent/CN112253278A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040200451A1 (en) * | 2003-04-08 | 2004-10-14 | Leimer Mark A. | Dual spring valve stem seal module |
| CN202065027U (en) * | 2011-04-28 | 2011-12-07 | 章升谊 | Coating friction-reducing valve rotating mechanism |
| CN202578815U (en) * | 2012-03-29 | 2012-12-05 | 浙江吉利汽车研究院有限公司 | Connecting structure for valve spring seat |
| CN104343485A (en) * | 2013-08-08 | 2015-02-11 | 曼柴油机和涡轮机欧洲股份公司 | Gas exchange valve with valve rotating device |
| CN203925643U (en) * | 2014-02-26 | 2014-11-05 | 奇瑞汽车股份有限公司 | A kind of valve rotating mechanism |
| CN204371440U (en) * | 2015-01-08 | 2015-06-03 | 广西玉柴机器股份有限公司 | Valve rotating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204984608U (en) | Ignition electric nozzle mounting structure | |
| CN210273012U (en) | Built-in pre-combustion chamber spark plug | |
| CN104863706B (en) | A kind of cylinder moving type two stroke engine | |
| EP2310639B1 (en) | Exhaust valve for a large sized two stroke diesel engine, process for reduction of nox-formation in such an engine and such an engine | |
| CN112253278A (en) | Exhaust valve rod rotating device of automobile engine | |
| CN110905663B (en) | Ignition device through long-range pneumatic control | |
| CN209179838U (en) | A kind of valve mechanism with valve oil seal structure for diesel engine | |
| CN217558414U (en) | Heat insulation device for exhaust passage of internal combustion engine | |
| CN209818171U (en) | Piston connecting rod device with variable compression ratio | |
| CN203285561U (en) | Engine piston | |
| CN205243668U (en) | Can change cooling of valve portion, calorific loss and sealing performance's engine cylinder lid | |
| CN102359416B (en) | Reverse hedging internal combustion engine | |
| CN221097684U (en) | Assembling structure of cylinder cover starting valve | |
| CN109869229B (en) | Compression ratio variable piston connecting rod device | |
| CN213980985U (en) | Engine piston structure capable of reducing oil consumption | |
| CN207018099U (en) | A kind of convex curved plate air cylinder head structure used for natural gas engine | |
| CN219654790U (en) | A kind of sealing gasket with anti-seismic function | |
| CN209990553U (en) | Four-valve cylinder structure of diesel engine | |
| CN221195208U (en) | High-strength engine piston | |
| CN214036360U (en) | A vacuum mini cylinder with valve | |
| CN203962046U (en) | A kind of piston type air energy motor of overhead camshaft | |
| CN212508460U (en) | Four-valve cylinder head fork rocker arm assembly | |
| CN202832694U (en) | Pressurized gasoline engine exhaust valve structure | |
| CN214741713U (en) | High-wear-resistance aluminum alloy engine piston | |
| CN112610348B (en) | Cylinder assembly and engine |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210122 |
|
| RJ01 | Rejection of invention patent application after publication |