CN109611173A - Engine valve actuating mechanism and engine - Google Patents
Engine valve actuating mechanism and engine Download PDFInfo
- Publication number
- CN109611173A CN109611173A CN201810850385.9A CN201810850385A CN109611173A CN 109611173 A CN109611173 A CN 109611173A CN 201810850385 A CN201810850385 A CN 201810850385A CN 109611173 A CN109611173 A CN 109611173A
- Authority
- CN
- China
- Prior art keywords
- rocker arm
- actuating mechanism
- arm shaft
- valve actuating
- assembly
- 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
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 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
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The invention discloses a kind of engine valve actuating mechanism and engines, wherein engine valve actuating mechanism includes valve assembly, the driving assembly with the rocker arm assembly of valve assembly transmission cooperation and for driving rocker arm assembly, the rocker arm assembly includes rocker arm shaft and circumferentially swings the rocker arm for being installed on rocker arm shaft, and the rocker arm is along the axial setting that slid axially in a manner of it can be limited of rocker arm shaft；In production assembly, market maintenance process, replacement air valve pad disassembly number of parts can be effectively reduced, assembly beat is reduced, improves production efficiency.
Description
Technical field
The present invention relates to engine arts, and in particular to a kind of engine valve actuating mechanism and engine.
Background technique
When engine operation, valve will be expanded because of the raising of temperature.If between valve and its driving member in the cold state
Gapless or gap are too small, then under hot, the expanded by heating of valve and its driving member certainly will cause valve-closing not tight, cause
Engine gas leakage in compression travel and working stroke even is not easy to start so that power be made to decline when serious.In order to eliminate this
Kind of phenomenon, usually when engine cold state is assembled, there are certain gap in valve and its transmission mechanism, with compensate valve by
Swell increment after heat；And in the prior art, valve clearance, which adjusts to adjust using vent port screw, adjusts two ways with air valve pad；
And air valve pad regulative mode has many advantages, such as wear-resistant, application is more；And the structure needs to dismantle when replacing air valve pad
It crosses multiple component and replacement operation is cumbersome, cause efficiency lower, it is especially particularly evident in batch production, it, must in production process
One valve clearance of palpus primary election is confirmed, valve lever pin and valve rocker combination, the suitable valve pad of reselection are then removed
Piece replacement, is reinstalled valve rocker combination and valve lever pin, and assembly beat is long.
Therefore, in order to solve the above problem, a kind of engine valve actuating mechanism and engine are needed, in production assembling process,
Replacement air valve pad disassembly number of parts can be effectively reduced, assembly beat is reduced, improves production efficiency.
Summary of the invention
In view of this, providing engine valve actuating mechanism the purpose of the present invention is overcoming defect in the prior art and starting
Machine can effectively reduce replacement air valve pad disassembly number of parts, reduce assembly beat, improve life in production assembling process
Produce efficiency.
Engine valve actuating mechanism of the invention, including valve assembly, rocker arm assembly and use with valve assembly transmission cooperation
In driving rocker arm assembly driving assembly, the rocker arm assembly include rocker arm shaft and circumferentially swing be installed on shaking for rocker arm shaft
Arm, the rocker arm is along the axial setting that slid axially in a manner of it can be limited of rocker arm shaft.
Further, the rocker arm in a manner of it can be axially limited along rocker arm with rocker arm shaft axial sliding fit.
It further, further include for the rocker arm shaft limit plate to rocker arm axial limiting, the rocker arm shaft limit plate passes through axis
It is installed on rocker arm shaft to fixed structure axial restraint and is formed and limit is axially trapped to rocker arm.
Further, the axial fixing structure includes the U-lag formed by rocker arm shaft limit plate edge recess and is set to
" work " word slot of rocker arm shaft outer circle is formed in " work " word slot described in the conformal insertion of radial direction of the U-lag along rocker arm shaft axial solid
Determine structure.
Further, the rocker arm shaft includes intake rocker axis and exhaust rocker arm axis, the bottom sides of the rocker arm shaft limit plate
Along setting, there are two U-lags corresponding with intake rocker axis and exhaust rocker arm axis respectively.
Further, the rocker arm shaft limit plate is further fixedly arranged on for the camshaft limit to camshaft axial limiting
Plate.
Further, the outer circle of the camshaft is set to annular spacing groove, the bottom edge concave shape of camshaft limit plate
At the arcuate bottom edge with annular spacing groove form-fit, the arcuate bottom is radially along formation in insertion annular spacing groove to camshaft
Axial limiting.
Further, the rocker arm limit plate and camshaft limit plate are bolted to connection in cylinder head.
The invention also discloses a kind of engine, the engine is provided with valve actuating mechanism, and the valve actuating mechanism is above-mentioned
The valve actuating mechanism of structure.
The beneficial effects of the present invention are: a kind of engine valve actuating mechanism disclosed by the invention and engine, by by rocker arm
Slid axially setting in a manner of it can be limited, and in production assembling process, is not required to remove valve lever pin and valve rocking arm set
It closes under condition, the appropriate axial sliding clearance of rocker design, it is only axial to move valve rocker to achieve the purpose that air valve pad is replaced, have
Effect reduces replacement air valve pad and dismantles number of parts, reduces assembly beat, improves production efficiency.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the mounting structure schematic diagram of rocker arm limit plate in the present invention；
Fig. 3 is the structural schematic diagram of rocker arm shaft or camshaft in the present invention；
Fig. 4 is rocker arm shaft limit plate and cam retainer plate connection schematic diagram in the present invention；
Specific embodiment
Fig. 1 is the structural diagram of the present invention, and Fig. 2 is the mounting structure schematic diagram of rocker arm shaft limit plate in the present invention, Fig. 3
For rocker arm shaft in the present invention or the structural schematic diagram of camshaft, Fig. 4 is that rocker arm limit plate is connected with cam retainer plate in the present invention
Schematic diagram, as shown, the engine valve actuating mechanism in the present embodiment, including valve assembly 3 and the transmission of valve assembly 3 cooperate
Rocker arm assembly and driving assembly for driving rocker arm assembly, the rocker arm assembly include rocker arm shaft 1 and circumferentially swing peace
Rocker arm 2 loaded on rocker arm shaft 1, the rocker arm 2 is along the axial setting that slid axially in a manner of it can be limited of rocker arm shaft 1；The gas
Door component 3 and driving assembly are that details are not described herein for the prior art, and the rocker arm fixes a rotating jacket in the installation of rocker arm shaft 1
4 outer circles are covered, are slid axially in a manner of it can be limited setting by rocker arm 2, in production assembling process, are not required to remove valve
Under rocker arm shaft 1 and valve rocker arm composition condition, the appropriate axial sliding clearance of rocker design only axially moves valve and shakes to reach valve
The purpose of pad replacing effectively reduces replacement air valve pad disassembly number of parts, reduces assembly beat, improve production efficiency, institute
State rocker arm slide axially can independent slide, can also slide axially together with rocker arm shaft 1, be able to achieve the object of the invention.
In the present embodiment, the rocker arm in a manner of it can be axially limited along rocker arm with 1 axial sliding fit of rocker arm shaft；It is logical
It crosses and sets axial sliding fit for rocker arm and rocker arm shaft 1, structure is simple, easy to adjust.
It further include for the rocker arm limit plate 5 to rocker arm axial limiting, the rocker arm shaft limit plate 5 is logical in the present embodiment
Cross axial fixing structure axial restraint be installed on rocker arm shaft 1 and formed limit is axially trapped to rocker arm；The rocker arm limit plate 5 with
Axial fixing mechanism is formed between rocker arm shaft 1, the setting limit slot preferably on rocker arm limit plate 5, and the outer ring of rocker arm shaft 1
At limited step, rocker arm shaft 1 is radially plugged in by limit slot and realizes that rocker arm shaft limit plate 5 is axial solid by limited step
Due to rocker arm shaft 1, limit is stablized, easy for installation, is conducive to improve the assembly and disassembly efficiency of rocker arm limit plate 5.
In the present embodiment, the axial fixing structure includes the U-lag 6 formed by 5 edge recess of rocker arm limit plate and sets
It is placed in 1 outer circle of rocker arm shaft " work " word slot 7, described in the conformal insertion of radial direction of the U-lag 6 along rocker arm shaft 1 " work " shape in word slot 7
At axial fixing structure；" work " word slot 7 is recessed radially inward by the outer circle of rocker arm shaft 1 and forms the rectangular channel of two radial symmetrics
Formed, two inner sidewalls of the U-lag 6 with " work " two slot bottoms of word slot 7 be bondeds, guarantee fixing-stable, turn to match precision height.
In the present embodiment, the rocker arm shaft 1 includes intake rocker axis and exhaust rocker arm axis 1a, the rocker arm shaft limit plate 5
Bottom edge setting there are two U-lags 6 corresponding with intake rocker axis and exhaust rocker arm axis 1a respectively；Further increase installation
Precision and efficiency.Meanwhile intake rocker axis and support in exhaust rocker arm axis two weeks are conducive to the stability after rocker arm limit plate 5 is installed,
It avoids falling off.
In the present embodiment, the rocker arm shaft limit plate 5 is further fixedly arranged on for the camshaft to camshaft axial limiting
Limit plate 8；1 limit plate of rocker arm shaft and camshaft limit plate 8 are designed as a part, make it while meeting the limit of rocker arm shaft 1
It is limited with camshaft, reduces amount of parts.
In the present embodiment, the outer circle of the camshaft is set to annular spacing groove, and the bottom edge of camshaft limit plate 8 is recessed
It falls into and is formed with the arcuate bottom of annular spacing groove form-fit along 9, the arcuate bottom is radially along formation pair in insertion annular spacing groove
Camshaft axial limiting；Structure is simple, easy to assembly, and axial limiting precision is high.
In the present embodiment, the rocker arm shaft limit plate 5 and camshaft limit plate 8 are bolted to connection；The bolt
It is set to the upper end of rocker arm shaft limit plate 5 and camshaft limit plate 8, is bolted, rocker arm limit plate 5 and camshaft are conducive to
Limit plate 8 is detachable so that rocker arm limit plate 5, which can be independently operated, rotates adjustable angle conducive to camshaft limit plate 8, avoid by
Rocker arm limit plate 5 and camshaft is caused to limit in each axis (camshaft, intake rocker axis 1 and exhaust rocker arm axis 1) installation error
Plate 8 is not easy to install, guarantees that installation accuracy is high.
The invention also discloses a kind of engine, the engine is provided with valve actuating mechanism, and the valve actuating mechanism is above-mentioned
The valve actuating mechanism of structure；The engine assembly is high-efficient.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (9)
1. a kind of engine valve actuating mechanism, it is characterised in that: including valve assembly, the rocker arm assembly with valve assembly transmission cooperation
With for driving the driving assembly of rocker arm assembly, the rocker arm assembly includes rocker arm shaft and circumferentially swings and be installed on rocker arm shaft
Rocker arm, the rocker arm is along the axial setting that slid axially in a manner of it can be limited of rocker arm shaft.
2. engine valve actuating mechanism according to claim 1, it is characterised in that: the rocker arm along rocker arm can axially be limited
The mode and rocker arm shaft axial sliding fit of position.
3. engine valve actuating mechanism according to claim 2, it is characterised in that: further include for rocker arm axial limiting
Rocker arm shaft limit plate, by axial fixing structure, axial restraint is installed on rocker arm shaft and is formed to shaking the rocker arm shaft limit plate
Arm axially traps limit.
4. engine valve actuating mechanism according to claim 3, it is characterised in that: the axial fixing structure includes by rocker arm
The U-lag that axis limit plate edge recess is formed and " work " the word slot for being set to rocker arm shaft outer circle, diameter of the U-lag along rocker arm shaft
Axial fixing structure is formed into " work " word slot described in conformal insertion.
5. engine valve actuating mechanism according to claim 4, it is characterised in that: the rocker arm shaft include intake rocker axis and
Exhaust rocker arm axis, the rocker arm shaft limit plate bottom edge setting there are two respectively with intake rocker axis and exhaust rocker arm axis pair
The U-lag answered.
6. engine valve actuating mechanism according to claim 3, it is characterised in that: the rocker arm shaft limit plate is also fixedly installed
Have for the camshaft limit plate to camshaft axial limiting.
7. engine valve actuating mechanism according to claim 6, it is characterised in that: the outer circle of the camshaft is set to annular
Limiting slot, the bottom edge of camshaft limit plate are recessed the arcuate bottom edge to be formed with annular spacing groove form-fit, the arc
Bottom is radially along formation in insertion annular spacing groove to camshaft axial limiting.
8. engine valve actuating mechanism according to claim 7, it is characterised in that: the rocker arm shaft limit plate and camshaft limit
Position plate is bolted to connection in cylinder head.
9. a kind of engine, the engine is provided with valve actuating mechanism, it is characterised in that: the valve actuating mechanism is claim 1-
Valve actuating mechanism described in 8 any claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810850385.9A CN109611173A (en) | 2018-07-28 | 2018-07-28 | Engine valve actuating mechanism and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810850385.9A CN109611173A (en) | 2018-07-28 | 2018-07-28 | Engine valve actuating mechanism and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109611173A true CN109611173A (en) | 2019-04-12 |
Family
ID=66002206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810850385.9A Pending CN109611173A (en) | 2018-07-28 | 2018-07-28 | Engine valve actuating mechanism and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109611173A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203476422U (en) * | 2013-08-19 | 2014-03-12 | 洛阳北方企业集团有限公司 | Limiting board of motorcycle engine camshaft |
| CN204691841U (en) * | 2015-06-05 | 2015-10-07 | 重庆宗申动力机械股份有限公司 | A kind of pitman arm shaft limit structure of distribution device |
| KR101679984B1 (en) * | 2015-10-15 | 2016-11-25 | 현대자동차주식회사 | Fixing device of locker shaft and locker arm |
| CN207161165U (en) * | 2017-09-25 | 2018-03-30 | 浙江钱江摩托股份有限公司 | The position limiting structure of rocker arm shaft and camshaft in a kind of engine |
| CN208918611U (en) * | 2018-07-28 | 2019-05-31 | 重庆隆鑫发动机有限公司 | Engine valve actuating mechanism and engine |
-
2018
- 2018-07-28 CN CN201810850385.9A patent/CN109611173A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203476422U (en) * | 2013-08-19 | 2014-03-12 | 洛阳北方企业集团有限公司 | Limiting board of motorcycle engine camshaft |
| CN204691841U (en) * | 2015-06-05 | 2015-10-07 | 重庆宗申动力机械股份有限公司 | A kind of pitman arm shaft limit structure of distribution device |
| KR101679984B1 (en) * | 2015-10-15 | 2016-11-25 | 현대자동차주식회사 | Fixing device of locker shaft and locker arm |
| CN207161165U (en) * | 2017-09-25 | 2018-03-30 | 浙江钱江摩托股份有限公司 | The position limiting structure of rocker arm shaft and camshaft in a kind of engine |
| CN208918611U (en) * | 2018-07-28 | 2019-05-31 | 重庆隆鑫发动机有限公司 | Engine valve actuating mechanism and engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI524002B (en) | Engines and method for operating an internal combustion engine having a reciprocating piston operably disposed in a cylindrical bore of a sleeve valve | |
| KR102206672B1 (en) | Removable valve bridge and valve actuation system including the same | |
| CN103168154A (en) | Mechanically controllable valve operating mechanism, and mechanically controllable valve operating mechanism arrangement | |
| CN208918611U (en) | Engine valve actuating mechanism and engine | |
| CN101260818A (en) | System for continuously changing lift and phase of valve in internal combustion engine | |
| US11885246B2 (en) | Engine valve with raised ring or dimple | |
| CN109611173A (en) | Engine valve actuating mechanism and engine | |
| US9546607B2 (en) | Variable valve device of internal combustion engine | |
| CN208918612U (en) | Axis limiting device and engine valve actuating mechanism | |
| CN108798818B (en) | Valve mechanism and engine system | |
| US9151190B2 (en) | Valve timing controller | |
| CN205559001U (en) | Valve mechanism for motorcycle engine | |
| CN102269050A (en) | Rotor engine and rotor part thereof | |
| KR101610064B1 (en) | Variable valve lift apparatus | |
| CN105484820A (en) | Hydraulic tappet with elephant foot | |
| CN201802482U (en) | Rotor engine and rotor part thereof | |
| CN101235760A (en) | Four stroke OHC structure engine | |
| JP2006220121A (en) | Cylinder head of internal combustion engine | |
| CN111188659B (en) | Valve mechanism with small air inlet and outlet included angles in staggered distribution | |
| US11668271B1 (en) | Mechanically actuated fuel injector system, method, and assembly having helper spring | |
| CN220769563U (en) | Valve mechanism, engine and motorcycle | |
| CN109519248B (en) | Electric control valve mechanism, engine and automobile | |
| EP0689638A4 (en) | Valve operating gear | |
| CN105569755A (en) | Gas distribution mechanism of motorcycle engine | |
| CN110630347A (en) | Variable valve mechanism |
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 |