CN208763711U - Engine valve actuating mechanism and engine - Google Patents
Engine valve actuating mechanism and engine Download PDFInfo
- Publication number
- CN208763711U CN208763711U CN201821254322.9U CN201821254322U CN208763711U CN 208763711 U CN208763711 U CN 208763711U CN 201821254322 U CN201821254322 U CN 201821254322U CN 208763711 U CN208763711 U CN 208763711U
- Authority
- CN
- China
- Prior art keywords
- steel
- cast iron
- iron inserts
- inserts
- 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.)
- Active
Links
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model discloses a kind of engine valve actuating mechanism and engines, the timing driving tooth of valve actuating mechanism includes timing driving gear ontology and the axle sleeve that axially extends to form along timing driving gear ontology, and the axle sleeve formation transmission that timing driving gear ontology is coated at crankshaft by being driven cooperation, and timing driving gear this body space is coated at crankshaft, the utility model timing driving tooth ontology clearance fit is in crankshaft, the interference power of transmission connection is all undertaken by axle sleeve part, it is not influenced in other words by crankshaft thermal expansion to which the ontology thermal deformation of timing driving gear is unfettered, can avoid as far as possible crankshaft thermal expansion and gear itself influence of thermal deformation to gear engaged transmission performance, it reduces running noises and improves the service life of component, to guarantee the normal operation of engine, due to the presence in gap, also have certain Transmission and engagement it is flexible, offset the influence due to itself thermal deformation to meshing relation and be further ensured that low noise, the high-efficiency operation of engine entirety to ensure that the smoothness of the transmission of valve actuating mechanism.
Description
Technical field
The utility model relates to power-equipment, in particular to a kind of engine valve actuating mechanism and engine.
Background technique
Engine is common power device, since engine is typical heat engine, generates power by the burning of fuel,
Engine cylinder body, cylinder head, crankshaft and valve actuating mechanism all parts thermal deformation can occur.In existing engine, cylinder head compared with
For the universal aluminum alloy materials that use, lightweight and with enough intensity.
But the cooperation of aluminium alloy cylinder head and engine other component can then have a series of problems, such as valve actuating mechanism, from
Timing driving gear can deform at high temperature to rocker arm, increase so as to cause the running noises of entire engine, and heat
The matching relationship that deformation also results in component changes, and influences the service life of component.In the prior art, in distribution gas system
Timing driving gear and transmission of crankshaft cooperate, crankshaft thermal deformation and the thermal deformation of gear itself will lead to timing driving gear
Shape change, can change with the meshing relation of driven gear, so as to cause under noise and service life
Drop, biggish noise also affect the environmental-protecting performance of engine.
Based on the above issues, the matching relationship of the timing driving gear to valve actuating mechanism is needed to improve, it can be as far as possible
The influence of thermal deformation of the thermal expansion and gear itself that avoid crankshaft reduces running noises and mentions to the engaged transmission performance of gear
The service life of high component, to guarantee the normal operation of engine.
Utility model content
In view of this, can be kept away as far as possible the purpose of the utility model is to provide a kind of engine valve actuating mechanism and engine
Exempt from the thermal expansion of crankshaft and the influence of thermal deformation of gear itself to the engaged transmission performance of gear, reduces running noises and improve
The service life of component, to guarantee the normal operation of engine.
The engine valve actuating mechanism of the utility model, the timing driving tooth of the valve actuating mechanism include timing driving gear sheet
Body and the axle sleeve axially extended to form along timing driving gear ontology (are integrally formed by timing driving gear side and extend shaft
Set, it can be understood as shaft shoulder structure), and timing driving gear ontology cooperates the axle sleeve formation for being coated at crankshaft to pass by being driven
It is dynamic, and timing driving gear this body space is coated at crankshaft；In existing design, timing gears direct-drive (interference) is fitted in song
On axis, since interference power and cold and hot deformation can make the tooth form of timing driving gear that can deform, it can be produced in engaged transmission
Negative consequences such as the noise of raw unsmooth equal generations of operation, or even will affect being normally carried out for distribution, thus can not adapt to such as be
A series of improvement that cooperation high compression ratio etc. is carried out；In the utility model, timing driving tooth passes through axle sleeve part and crankshaft
Cooperation transmission, axle sleeve part will all undertake transmission connection interference power, thus the thermal deformation of timing driving gear ontology not by
Constraint is not influenced in other words by crankshaft thermal expansion, also flexible with certain transmission and engagement due to the presence in gap, is offset
Influence due to itself thermal deformation to meshing relation is further ensured that hair to ensure that the smoothness of the transmission of valve actuating mechanism
Low noise, the high-efficiency operation of motivation entirety.
Further, timing driving gear ontology forms transmission by the axle sleeve that interference transmission cooperation is coated at crankshaft,
It ensure that transmission and position restriction, simple and compact structure.
Further, the crankshaft and timing driving gear ontology corresponding position process annular deep gouge, which makes just
When driving gear this body space be coated at crankshaft；It is of course also possible to which timing driving gear ontology corresponding position inner circle is processed into directly
The slightly larger structure of diameter (greater than the cooperation internal diameter at axle sleeve), equally may be implemented purpose of utility model.
Further, the rocker arm support of the valve actuating mechanism is installed on engine cylinder head, is embedded with steel on the cylinder head of engine
Or cast iron inserts I, the steel or cast iron inserts I form the support portion for supporting the rocker arm assembly installation of the valve actuating mechanism；Steel
System or cast iron inserts I and valve actuating mechanism components (such as rocker arm etc.) they are all steel (cast iron) material, similar thermal expansion coefficient, when
After engine temperature increases, the deflection of each part of valve actuating mechanism is suitable, is always ensured that between the cooling and heating machine of valve clearance and does not occur
Change or change is smaller, therefore can effectively solve the problems, such as that engine sound caused by cooling and heating machine valve clearance becomes larger.
Further, steel or cast iron inserts II are embedded on the cylinder head of engine, the steel or cast iron inserts II, which are formed, to be used
In the fixed part that cylinder head is installed on to cylinder body；The entire cylinder head of engine and upper rocker arm component can be installed firmly, engine work
Temperature rises when making, and the impulse stroke of upper rocker arm and relative position do not change, and avoid causing because of cooling and heating machine temperature difference
Upper rocker arm installation it is insecure, the problem of becoming larger so as to cause valve actuating mechanism sound.
Further, the steel or cast iron inserts I and steel or cast iron inserts II are shaped in a steel or cast iron base
Plinth part, the steel or cast iron basic part are in cylinder head；The steel or cast iron inserts I are five, the peace with rocker arm support
Fill the corresponding distribution of supporting point；The steel or cast iron inserts II are four, the corresponding four points of connection for being distributed in cylinder head and cylinder body；
The mounting part of cylinder head is combined with aforementioned support portion as a result, forms whole supporting structure, so that the installation of rocker arm support
It is installed to cylinder body by integrally formed steel or cast-iron structure transmitting, controls thermal expansion amount and the fixation of cooling and heating machine valve actuating mechanism
Cylinder body, cylinder head (rigid structure of inserts) to rocker arm assembly thermal expansion coefficient as far as possible one is integrally formed in the installation of upper rocker arm component
It causes, does not change to control cooling and heating machine valve clearance, it is final to solve the change of engine sound caused by cooling and heating machine valve clearance
Big problem.
Further, the steel or cast iron basic part to four fixed parts of cylinder head extend to form the first linking arm,
Second linking arm, third linking arm and the 4th linking arm, four steels or cast iron inserts II are respectively that the first steel or cast iron are embedding
Part II, the second steel or cast iron inserts II, third steel or cast iron inserts II and the 4th steel or cast iron inserts II and an a pair
Four linking arms should be shaped in；Five steels or cast iron inserts I are respectively the first steel or cast iron inserts I, second
Steel or cast iron inserts I, third steel or cast iron inserts I, the 4th steel or cast iron inserts I and the 5th steel or cast iron inserts I；
5th steel or cast iron inserts I are shaped in steel or cast iron basic part, the first steel or cast iron inserts I, second
Steel or cast iron inserts I, third steel or cast iron inserts I and the 4th steel or cast iron inserts I in a manner of four point attachment one by one
Correspondence is shaped in four linking arms；In this structure, pass through the linking arm that steel or cast iron basic part are formed and will be all
Steel or cast iron inserts I and steel or cast iron inserts II are integrated in one, and rocker arm support is not only made to have stable installation knot
Structure is also connected to form one with cylinder body, ensure that the consistency of thermal deformation, and 5 points of installation rocker arm supports can form two triangles
Installation point, operative constraint and fixed rocker arm support avoid valve operation problem caused by deforming and deforming；Meanwhile one at
The connection arm configuration of type also acts skeleton function for cylinder head, has preferable reinforcing effect, it is possible to reduce cylinder head aluminium
The use of alloy material simultaneously guarantees even beyond expected intensity.
Further, first steel or cast iron inserts I, the second steel or cast iron inserts I, third steel or cast iron inserts
I, the 4th steel or the trapezoidal distribution of cast iron inserts I, wherein the first steel or cast iron inserts I and the second steel or cast iron inserts I
Positioned at upper bottom edge, third steel or cast iron inserts I and the 4th steel or cast iron inserts I are located at bottom, the 5th steel or
Cast iron inserts I are located at trapezoidal interior close bottom setting；Upper bottom edge refers to short bottom edge, and bottom refers to long bottom edge, trapezoidal
4 points be distributed and can satisfy the mounting arrangement of rocker arm support, the 5th steel or cast iron inserts I are set on the inside of long bottom edge, are guaranteed
The further mounting stability of rocker arm support, so that steel or cast iron basic part and rocker arm support form stable one,
Play the role of reinforcing mutually, be further ensured that the installation strength of rocker arm support, avoids the further increasing of running noises.
Further, the steel or cast iron inserts II are extended downwardly relative to steel or cast iron basic part is used for and engine
Cylinder body pushes against installation, and the steel or cast iron inserts I upwardly extend relative to steel or cast iron basic part and are used to support installation
Rocker arm support, so that forming the rigid connection from cylinder body to rocker arm support between each inserts, and this rigid connection avoids
The inconsistent problem of thermal expansion coefficient brought by aluminium alloy cylinder head.
The invention also discloses a kind of engine, the engine is equipped with the valve actuating mechanism.
The utility model has the beneficial effects that the engine valve actuating mechanism and engine of the utility model, timing driving tooth sheet
Body space is matched with crankshaft, and the interference power of transmission connection is all undertaken by axle sleeve part, thus timing driving gear calor innatus
Deform it is unfettered do not influenced in other words by crankshaft thermal expansion, thermal expansion and the gear itself of crankshaft can be avoided as far as possible
Influence of thermal deformation reduces running noises and improves the service life of component to the engaged transmission performance of gear, to guarantee to start
The normal operation of machine, it is also flexible with certain transmission and engagement due to the presence in gap, it offsets since itself thermal deformation is to nibbling
The influence of conjunction relationship is further ensured that low noise, the height of engine entirety to ensure that the smoothness of the transmission of valve actuating mechanism
Efficiency operation.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and examples.
Fig. 1 is the engine overall structure diagram of the utility model；
Fig. 2 is timing driving gear installation diagram；
Fig. 3 is the structure chart of cast iron or steel-making inserting part；
Fig. 4 is Fig. 3 along A direction view；
Fig. 5 is cylinder head top view.
Specific embodiment
As shown in the figure: the engine valve actuating mechanism of the present embodiment, the timing driving tooth of the valve actuating mechanism include timing master
Moving gear ontology 7 and along the axially extending formation of timing driving gear ontology 7 axle sleeve 8 (by timing driving gear side one at
Type extends axle sleeve, it can be understood as shaft shoulder structure), and timing driving gear ontology 7 is coated at crankshaft 6 by being driven cooperation
The axle sleeve 8 forms transmission, and timing driving gear this body space is coated at crankshaft 6；In existing design, timing gears direct-drive
(interference) is fitted on crankshaft, since interference power and cold and hot deformation can make the tooth form of timing driving gear that can deform,
It can be generated when engaged transmission and run the negative consequences such as the unsmooth noise for waiting generations, or even will affect being normally carried out for distribution, thus
It can not adapt to a series of improvement such as in order to cooperate high compression ratio etc. to be carried out；In the utility model, timing driving tooth passes through
Axle sleeve part and crankshaft cooperation are driven, and axle sleeve part will all undertake the interference power of transmission connection, thus timing driving gear
Ontology thermal deformation is unfettered not to be influenced in other words by crankshaft thermal expansion, due to the presence in gap, also has certain transmission
It is flexible with engagement, the influence due to itself thermal deformation to meshing relation is offset, to ensure that the smooth of the transmission of valve actuating mechanism
Property, it is further ensured that low noise, the high-efficiency operation of engine entirety.
In the present embodiment, timing driving gear ontology 7 is coated at 8 shape of the axle sleeve of crankshaft 6 by interference transmission cooperation
At transmission, transmission and position restriction, simple and compact structure ensure that.
In the present embodiment, the crankshaft 6 processes annular deep gouge 61 with 7 corresponding position of timing driving gear ontology, and the annular is heavy
Slot 61 makes this body space of timing driving gear be coated at crankshaft；It is of course also possible to by timing driving gear ontology corresponding position
Circle is processed into the slightly larger structure of diameter (greater than the cooperation internal diameter at axle sleeve), and purpose of utility model equally may be implemented.
In the present embodiment, the rocker arm support of the valve actuating mechanism is installed on engine cylinder head, is embedded on the cylinder head 1 of engine
Steel or cast iron inserts I, the steel or cast iron inserts I form the support for supporting the rocker arm assembly installation of the valve actuating mechanism
Portion；Steel or cast iron inserts I and valve actuating mechanism components (such as rocker arm etc.) are all steel (cast iron) material, thermal expansion coefficient phase
Closely, after engine temperature increases, the deflection of each part of valve actuating mechanism is suitable, is always ensured that between the cooling and heating machine of valve clearance not
It changes or changes smaller, therefore can effectively solve the problems, such as that engine sound caused by cooling and heating machine valve clearance becomes larger.
In the present embodiment, steel or cast iron inserts II, II shape of the steel or cast iron inserts are embedded on the cylinder head of engine
At the fixed part for cylinder head to be installed on to cylinder body；The entire cylinder head of engine and upper rocker arm component can be installed firmly, start
Temperature rises when machine works, and the impulse stroke of upper rocker arm and relative position do not change, and avoid because of cooling and heating machine temperature difference
Caused upper rocker arm installation is insecure, the problem of becoming larger so as to cause valve actuating mechanism sound.
In the present embodiment, the steel or cast iron inserts I and steel or cast iron inserts II are shaped in a steel or casting
Iron base part a, such as steel or cast iron inserts I and steel or cast iron inserts II pass through (or other connections of corresponding linking arm
Structure) it is shaped in a steel or cast iron basic part a, steel or cast iron basic part a are not limited to one, can be one
The structures such as one are set between steel or cast iron inserts I and steel or cast iron inserts II, realize steel or cast iron inserts I and steel
Or the rigid connection between cast iron inserts II；The steel or cast iron basic part a are in cylinder head；The steel or cast iron
Inserts I is five, distribution corresponding with the installation supporting point of rocker arm support；The steel or cast iron inserts II are four, corresponding point
It is distributed in the four points of connection of cylinder head and cylinder body；In use, steel or cast iron basic part a are embedded in aluminium alloy cylinder head, and pour and cast from aluminium
In alloy cylinder head, the integral rigidity structure of rocker arm support and cylinder head installation is formed, as a result, the mounting part of cylinder head and aforementioned branch
Support part combines, and the installation of the thermal expansion amount and fixed upper rocker arm component of cooling and heating machine valve actuating mechanism is controlled, to control cooling and heating machine
Valve clearance does not change, and finally solves the problems, such as that engine sound caused by cooling and heating machine valve clearance becomes larger；Certainly, as schemed institute
Show, due to the difference of installation position, steel or cast iron inserts I are upwardly extended relative to steel or cast iron basic part a for installing
Rocker arm support, steel or II steel of cast iron inserts or cast iron basic part a, which are extended downwardly, installs cylinder head and cylinder body for installation, when
So, cylinder head top needs reserving installation hole.
The steel or cast iron basic part extend to form the first linking arm b to four fixed parts of cylinder head, second connect
Meet arm c, third linking arm d and the 4th linking arm e, in the present embodiment, the steel or cast iron inserts I, steel or casting of the inserts
Iron inserts II, the first linking arm, the second linking arm, third linking arm, the 4th linking arm and steel or the casting of cast iron basic part are embedding
In cylinder head, simple and convenient, embedment strength height is shaped；Four steels or cast iron inserts II are respectively the first steel or cast iron inserts II
14, the second steel or cast iron inserts II 16, third steel or cast iron inserts II 13 and the 4th steel or cast iron inserts II 15 and one
One correspondence is shaped in four linking arms；Five steels or cast iron inserts I are respectively the first steel or cast iron inserts I
11, the second steel or cast iron inserts I 9, third steel or cast iron inserts I 12, the 4th steel or cast iron inserts I 3 and the 5th steel
Or cast iron inserts I 10；5th steel or cast iron inserts I 10 are shaped in steel or cast iron basic part a, the first steel
Or cast iron inserts I 11, the second steel or cast iron inserts I 9, third steel or cast iron inserts I 12 and the 4th steel or cast iron inserts I
3 corresponded in a manner of four point attachment be shaped in four linking arms (the first linking arm b, the second linking arm c, third connect
Meet arm d and the 4th linking arm e)；In this structure, the linking arm that is formed by steel or cast iron basic part and by all steel or
Cast iron inserts I and steel or cast iron inserts II are integrated in one, not only make rocker arm support have stable mounting structure, also with
Cylinder body is connected to form one, and ensure that the consistency of thermal deformation, and 5 points of installation rocker arm supports can form two triangle installation points,
Operative constraint and fixed rocker arm support avoid valve operation problem caused by deforming and deforming；Meanwhile integrally formed connection
Arm configuration also acts skeleton function for cylinder head, has preferable reinforcing effect, it is possible to reduce cylinder head aluminum alloy materials
Use and guarantee even beyond expected intensity.
In the present embodiment, first steel or cast iron inserts I 11, the second steel or cast iron inserts I 9, third steel or
Trapezoidal distribution between cast iron inserts I 12 and the 4th steel or cast iron inserts I 3, wherein the first steel or cast iron inserts I and second
Steel or cast iron inserts I are located at upper bottom edge, third steel or cast iron inserts I and the 4th steel or cast iron inserts I are located at bottom,
5th steel or cast iron inserts I are located at trapezoidal interior close bottom setting；Upper bottom edge refers to short bottom edge, what bottom referred to
Long bottom edge, trapezoidal 4 points are distributed the mounting arrangement that can satisfy rocker arm support, be arranged on the inside of long bottom edge the 5th steel or
Cast iron inserts I ensure that the further mounting stability of rocker arm support, so that steel or cast iron basic part and rocker arm support shape
At stable one, play the role of reinforcing mutually, be further ensured that the installation strength of rocker arm support, avoid running noises into
One step increases.
In the present embodiment, the steel or cast iron inserts II (the first steel or cast iron inserts II 14, the second steel or cast iron
Inserts II 16, third steel or cast iron inserts II 13 and the 4th steel or cast iron inserts II are 15) relative to steel or cast iron basis
Part is extended downwardly to be installed for pushing against with engine cylinder body, as shown in figure 5, cylinder head top is reserved with mounting hole, is used for from top
Steel or cast iron inserts II are installed to cylinder body；And the steel or cast iron inserts I (the first steel or cast iron inserts I 11, the second steel
System or cast iron inserts I 9, third steel or cast iron inserts I 12, the 4th steel or cast iron inserts I 3 and the 5th steel or cast iron inserts
10) I upwardly extends relative to steel or cast iron basic part and is used to support installation rocker arm support so that formed between each inserts from
Cylinder body is to the rigid connection of rocker arm support, and to avoid thermal expansion coefficient brought by aluminium alloy cylinder head different for this rigid connection
The problem of cause.
It is poured and is cast from aluminium alloy cylinder head by steel or cast iron inserts, be that heat is swollen using remaining components with valve actuating mechanism
Swollen coefficient similar or consistent material, after engine temperature increases, the swell increment of each part of valve actuating mechanism is suitable, is always ensured that
Do not occur between the cooling and heating machine of valve clearance or change less, therefore engine sound caused by cooling and heating machine valve clearance can be solved
The big problem of the change of tune；Meanwhile there are five the supporting surface of support upper rocker arm installation, the fixations of four support cylinder heads installation for insert design
Face, and it is linked to be entirety, the skeleton structure of cylinder head is formed, the entire cylinder head of engine and upper rocker arm component are firmly pacified
Dress, cylinder head intensity is high, and when temperature rises when engine operation, the impulse stroke of upper rocker arm and relative position do not occur or occur less
Change, upper rocker arm installation caused by avoiding because of cooling and heating machine temperature difference is insecure, asks so as to cause what valve actuating mechanism sound became larger
Topic；Finally, the installation of the thermal expansion amount of inserts control cooling and heating machine air distribution system and fixed upper rocker arm component, to guarantee cooling and heating machine
Valve clearance meets service requirement, finally solves the problems, such as that engine sound caused by cooling and heating machine valve clearance becomes larger, while can also
The integral strength for guaranteeing cylinder head reduces the use of aluminum alloy materials, low noise, the economy of save the cost and guarantee engine entirety
High-efficiency operation.
The invention also discloses a kind of engine, the engine is equipped with the valve actuating mechanism.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (10)
1. a kind of engine valve actuating mechanism, it is characterised in that: the timing driving tooth of the valve actuating mechanism includes timing driving gear
Ontology and the axle sleeve axially extended to form along timing driving gear ontology, and timing driving gear ontology passes through transmission cooperation housing
Transmission is formed in the axle sleeve of crankshaft, and timing driving gear this body space is coated at crankshaft.
2. engine valve actuating mechanism according to claim 1, it is characterised in that: timing driving gear ontology is passed by interference
It is dynamic that the axle sleeve for being coated at crankshaft is cooperated to form transmission.
3. engine valve actuating mechanism according to claim 2, it is characterised in that: the crankshaft and timing driving gear ontology
Corresponding position processes annular deep gouge, which makes this body space of timing driving gear be coated at crankshaft.
4. engine valve actuating mechanism according to claim 1, it is characterised in that: the rocker arm support of the valve actuating mechanism is installed
In being embedded with steel or cast iron inserts I on engine cylinder head, the cylinder head of engine, the steel or cast iron inserts I form support institute
State the support portion of the rocker arm support installation of valve actuating mechanism.
5. engine valve actuating mechanism according to claim 4, it is characterised in that: be embedded with steel or casting on the cylinder head of engine
Iron inserts II, the steel or cast iron inserts II form the fixed part for cylinder head to be installed on to cylinder body.
6. engine valve actuating mechanism according to claim 5, it is characterised in that: the steel or cast iron inserts I and steel
Or cast iron inserts II are shaped in a steel or cast iron basic part, the steel or cast iron basic part are in cylinder head.
7. engine valve actuating mechanism according to claim 6, it is characterised in that: the steel or cast iron inserts I are five,
Distribution corresponding with the installation supporting point of rocker arm support；The steel or cast iron inserts II are four, and correspondence is distributed in cylinder head and cylinder
The four points of connection of body；The steel or cast iron basic part to four fixed parts of cylinder head extend to form the first linking arm,
Second linking arm, third linking arm and the 4th linking arm, four steels or cast iron inserts II are respectively that the first steel or cast iron are embedding
Part II, the second steel or cast iron inserts II, third steel or cast iron inserts II and the 4th steel or cast iron inserts II and an a pair
Four linking arms should be shaped in；Five steels or cast iron inserts I are respectively the first steel or cast iron inserts I, second
Steel or cast iron inserts I, third steel or cast iron inserts I, the 4th steel or cast iron inserts I and the 5th steel or cast iron inserts I；
5th steel or cast iron inserts I are shaped in steel or cast iron basic part, the first steel or cast iron inserts I, second
Steel or cast iron inserts I, third steel or cast iron inserts I and the 4th steel or cast iron inserts I in a manner of four point attachment one by one
Correspondence is shaped in four linking arms.
8. engine valve actuating mechanism according to claim 7, it is characterised in that: first steel or cast iron inserts I,
Two steels or cast iron inserts I, third steel or cast iron inserts I, the 4th steel or the trapezoidal distribution of cast iron inserts I, wherein first
Steel or cast iron inserts I and the second steel or cast iron inserts I are located at upper bottom edge, third steel or cast iron inserts I and the 4th steel
Or cast iron inserts I are located at bottom, the 5th steel or cast iron inserts I are located at trapezoidal interior close bottom setting.
9. engine valve actuating mechanism according to claim 6, it is characterised in that: the steel or cast iron inserts II relative to
Steel or cast iron basic part are extended downwardly to be installed for pushing against with engine cylinder body, and the steel or cast iron inserts I relative to
Steel or cast iron basic part, which upwardly extend, is used to support installation rocker arm support.
10. a kind of engine, it is characterised in that: the engine is equipped with the gazogene of claim 1-9 any claim
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821254322.9U CN208763711U (en) | 2018-08-03 | 2018-08-03 | Engine valve actuating mechanism and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821254322.9U CN208763711U (en) | 2018-08-03 | 2018-08-03 | Engine valve actuating mechanism and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208763711U true CN208763711U (en) | 2019-04-19 |
Family
ID=66131398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821254322.9U Active CN208763711U (en) | 2018-08-03 | 2018-08-03 | Engine valve actuating mechanism and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208763711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026252A (en) * | 2018-08-03 | 2018-12-18 | 重庆隆鑫发动机有限公司 | Engine air distribution system and engine |
-
2018
- 2018-08-03 CN CN201821254322.9U patent/CN208763711U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026252A (en) * | 2018-08-03 | 2018-12-18 | 重庆隆鑫发动机有限公司 | Engine air distribution system and engine |
| CN109026252B (en) * | 2018-08-03 | 2024-04-26 | 重庆隆鑫发动机有限公司 | Engine gas distribution system and engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106351764B (en) | Integrated gear chamber | |
| CN208763711U (en) | Engine valve actuating mechanism and engine | |
| CN208763708U (en) | The mute valve actuating mechanism of engine and engine | |
| CN103557179B (en) | A kind of engine water pump and electromotor | |
| CN209067297U (en) | Efficiently mute engine | |
| CN109026244A (en) | The mute air distribution system of engine and engine | |
| CN109026252A (en) | Engine air distribution system and engine | |
| CN208918708U (en) | Supporting element, engine cylinder head and engine are installed | |
| CN209277963U (en) | A kind of large and medium-sized use for diesel engine sectional camshaft component | |
| CN110043339A (en) | The hydraulic rocker of non-overhead type valve actuating mechanism engine | |
| CN109026245A (en) | Engine | |
| CN109184934A (en) | Inserts, engine cylinder head and engine | |
| CN206571746U (en) | Pump installation | |
| CN109611173B (en) | Engine valve mechanism and engine | |
| JP6347847B2 (en) | Unit for attaching a control valve to a fluid passage casing of an internal combustion engine | |
| CN113606046A (en) | Exhaust throttle valve of diesel engine | |
| CN209671027U (en) | The hydraulic rocker of non-overhead type valve actuating mechanism engine | |
| CN210660237U (en) | Belt wheel integrated structure and cam phase adjuster using same | |
| CN219262470U (en) | Novel engine valve tappet | |
| CN208281618U (en) | A kind of leak-proof superior electric expansion valve of energy | |
| CN220539700U (en) | Welding type cam phase regulator | |
| CN111058964A (en) | Compact general lightweight engine structure | |
| CN205154351U (en) | Turbosupercharged engine cooling system | |
| CN208918612U (en) | Axis limiting device and engine valve actuating mechanism | |
| CN2532243Y (en) | Engine and lubricant pump positioning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |