CN208718742U - Vehicle, camshaft overhead type engine and engine air gate valve bridge mechanism - Google Patents
Vehicle, camshaft overhead type engine and engine air gate valve bridge mechanism Download PDFInfo
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- CN208718742U CN208718742U CN201821301119.2U CN201821301119U CN208718742U CN 208718742 U CN208718742 U CN 208718742U CN 201821301119 U CN201821301119 U CN 201821301119U CN 208718742 U CN208718742 U CN 208718742U
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- valve
- valve bridge
- engine
- air gate
- bridge ontology
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- 230000007246 mechanism Effects 0.000 title claims abstract description 39
- 230000033001 locomotion Effects 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 5
- 241000406668 Loxodonta cyclotis Species 0.000 claims description 3
- 238000009987 spinning Methods 0.000 abstract description 21
- 238000005299 abrasion Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of engine air gate valve bridge mechanisms, including valve and valve bridge ontology, the positioning groove of valve bridge ontology is buckled in the driving end of valve, to be moved by valve bridge ontology-driven valve along preset direction, it is in point contact between the slot bottom of the positioning groove matched and the end face for driving end.Since the part that valve bridge ontology matches with valve contact is in point contact cooperation, contact area is smaller, when valve spinning under airflow function, abrasion between valve and valve bridge ontology is relatively small, it is conducive to extend the service life of valve, meanwhile resistance of point contact when can reduce valve spinning by valve bridge ontology, be conducive to the spinning performance for improving valve.The invention also discloses a kind of camshaft overhead type engine including above-mentioned engine air gate valve bridge mechanism and including the vehicle of the engine, the abrasion of valve can be reduced, improve the spinning performance of valve.
Description
Technical field
The utility model relates to technical field of engines, in particular to a kind of engine air gate valve bridge mechanism.In addition, this reality
A kind of camshaft overhead type engine and vehicle including above-mentioned engine air gate valve bridge mechanism is further related to novel.
Background technique
With the development of engine technology, overhead camshaft technology is more and more widely used.Overhead cam
The engine of axis arrangement reduces valve train system transmission amount of parts, and transmission efficiency is substantially improved, valve train system
The available sufficient optimization of rigidity and increase, particularly suitable for high speed engine.
In the prior art, the driving method of the valve actuating mechanism valve of camshaft overhead type engine usually as shown in figure,
The valve actuation mode is 1 valve 02 of single actuated by cams, and plane connects between valve 02 and valve bridge 01.In use process
In, valve 02 usually carries out spinning around the central axis of its own under a gas flow, the face contact between valve 02 and valve bridge 01
Fit system is larger to the resistance of 02 spinning of valve, and be easy to cause the inordinate wear to 02 end face of valve.
Therefore, how to reduce the abrasion of valve, improve the spinning performance of valve, be that those skilled in the art need at present
The technical issues of solution.
Utility model content
In view of this, valve can be reduced the purpose of the utility model is to provide a kind of engine air gate valve bridge mechanism
Abrasion, the spinning performance for improving valve.It includes above-mentioned engine air gate valve that the another object of the utility model, which is to provide a kind of,
The camshaft overhead type engine of bridge mechanism can reduce the abrasion of valve, improve the spinning performance of valve.In addition, this reality
It is to provide a kind of vehicle including above-mentioned camshaft overhead type engine with novel another object, the mill of valve can be reduced
Damage, the spinning performance for improving valve.
To achieve the above object, the utility model provides the following technical solutions:
A kind of engine air gate valve bridge mechanism, including valve and valve bridge ontology, the positioning groove button of the valve bridge ontology are set
In the driving end of the valve, to be moved by valve described in the valve bridge ontology-driven along preset direction, what is matched is described
It is in point contact between the slot bottom of positioning groove and the end face at the driving end.
Preferably, at least one of the end face at the slot bottom of the positioning groove matched and the driving end is direction
The spherical surface of another one protrusion.
Preferably, the valve bridge ontology is C-shaped configuration, and the both ends of the recess side of the valve bridge ontology are respectively provided with described in one
Positioning groove, two valves are correspondingly arranged at two positioning grooves, and the middle part of the convex side of the valve bridge ontology is equipped with
For driving the actuator of the valve bridge ontology, and then make the valve bridge ontology that the valve be driven to transport along the preset direction
It is dynamic.
Preferably, in two positioning grooves, one of them described positioning groove is in the vertically air valve shaft in the inner
To direction on section be sealing ring, another described positioning groove is vertically in the inner in the axially direction of the valve
Section be U-shaped.
Preferably, the valve is connected with spring, the spring be able to drive the valve and the valve bridge ontology into
Row resetting movement.
Preferably, the actuator includes the rocker arm for being articulated with articulated shaft and the elephant foot member for being articulated with the rocker arm, institute
It states as foot member contacts and is pressed in the middle part of the convex side of the valve bridge ontology, so that described as foot member can be with the rocker arm
Carrying out track around the articulated shaft is arc-shaped translational motion.
Preferably, it is described as on foot member on the surface of the valve bridge body contacts, the valve bridge ontology with it is described as
Both surfaces of foot member contact are the plane to fit.
Preferably, the valve is inserted in for limiting in the valve guide bushing that the valve moves along a straight line.
A kind of camshaft overhead type engine, including engine air gate valve bridge mechanism, the engine air gate valve bridge mechanism
For the engine air gate valve bridge mechanism as described in above-mentioned any one.
A kind of vehicle, including engine, the engine are such as above-mentioned camshaft overhead type engine.
Engine air gate valve bridge mechanism provided by the utility model includes valve and valve bridge ontology, and the positioning of valve bridge ontology is recessed
Slot is buckled in the driving end of valve, to be moved by valve bridge ontology-driven valve along preset direction, the positioning groove matched
It is in point contact between slot bottom and the end face for driving end.
The part that valve bridge ontology matches contact with valve is in point contact cooperation, and contact area is smaller, when valve is in air-flow
When acting on lower spinning, the abrasion between valve and valve bridge ontology is relatively small, is conducive to extend the service life of valve, together
When, resistance when point contact can reduce valve spinning by valve bridge ontology is conducive to the spinning performance for improving valve.
Camshaft overhead type engine provided by the utility model including above-mentioned engine air gate valve bridge mechanism, can subtract
The abrasion of few valve, the spinning performance for improving valve.
Vehicle provided by the utility model including above-mentioned camshaft overhead type engine, can reduce valve abrasion,
Improve the spinning performance of valve.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is that traditional overhead valve drives schematic diagram；
Fig. 2 provides the recess bottom view of valve bridge ontology in engine air gate valve bridge mechanism by the utility model；
Fig. 3 provides the cross-sectional view of valve bridge ontology in engine air gate valve bridge mechanism by the utility model；
Fig. 4 provides the structure chart of engine air gate valve bridge mechanism by the utility model；
Fig. 5 provides the contact form section of valve bridge ontology and valve in engine air gate valve bridge mechanism by the utility model
Figure；
Fig. 6 is enlarged drawing at the A in Fig. 5；
Fig. 7 is enlarged drawing at the B in Fig. 5；
Fig. 8 provides the structure diagram of another valve bridge ontology in engine air gate valve bridge mechanism by the utility model.
In Fig. 1: 01- valve bridge, 02- valve；
Fig. 2 is into Fig. 7: 1- valve bridge ontology, the first positioning groove of 11-, the second positioning groove of 12-, 13- spherical surface, 2- rocker arm,
3- is as foot member, 4- valve.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The core of the utility model is to provide a kind of engine air gate valve bridge mechanism, can reduce the abrasion of valve, improve
The spinning performance of valve.Another core of the utility model is to provide a kind of including the convex of above-mentioned engine air gate valve bridge mechanism
Wheel shaft overhead type engine can reduce the abrasion of valve, improve the spinning performance of valve.In addition, the utility model is another
One core is to provide a kind of vehicle including above-mentioned camshaft overhead type engine, can reduce the abrasion of valve, improve valve
Spinning performance.
In a kind of specific embodiment of the provided engine air gate valve bridge mechanism of the utility model, Fig. 4 to Fig. 7 is please referred to,
Including valve 4 and valve bridge ontology 1.Wherein, the positioning groove of valve bridge ontology 1 is buckled in the driving end of valve 4, to pass through valve bridge sheet
Body 1 drives valve 4 to move along preset direction.It is point contact between the slot bottom of the positioning groove matched and the end face for driving end.
Wherein, the generally-straight direction of preset direction.Wherein, the end face at the driving end in the slot bottom of positioning groove and same positioning groove
It matches.
In the present embodiment, valve bridge ontology 1 is in point contact cooperation with the part that valve 4 matches contact, and contact area is smaller,
When the spinning under airflow function of valve 4, the abrasion between valve 4 and valve bridge ontology 1 is relatively small, is conducive to extend valve
4 service life, meanwhile, resistance when point contact can reduce by 4 spinning of valve by valve bridge ontology 1 is conducive to improve gas
The spinning performance of door 4 is more advantageous to the cooperation and sealing performance for improving valve bottom end and seat ring.
Wherein, the point contact between positioning groove and driving end can be accomplished in several ways.Optionally, it matches
At least one of the slot bottom of positioning groove and the end face at driving end can be the spherical surface protruded towards another one.Pass through spherical surface
It is arranged to realize point contact, reduce positioning groove and drives the impact damage between end.It should be noted that spherical surface not only refers to
Be an entire sphere, be also possible to a part of sphere.
More specifically, please referring to Fig. 6 and Fig. 7, the slot bottom of positioning groove is to drive towards the spherical surface 13 of driving end protrusion in it
The end face of moved end is plane, and when not assembled, positioning groove can be to the spherical surface 13 for being easier to be worn of opposite protrusion
Carry out effective protection.Or the slot bottom of positioning groove can be set to plane and end face at driving end can be set in it
The spherical surface protruded towards the positioning groove, to realize point contact.Furthermore the slot bottom of positioning groove is located towards in it and drives
The spherical surface of moved end protrusion, correspondingly, the end face at the driving end in the positioning groove can be the ball protruded towards the positioning groove
Face, to realize point contact.
In addition, other than spherical surface is set, it in another embodiment, can be by setting the slot bottom of positioning groove to
The bullet of end protrusion is driven in towards it, meanwhile, plane is set by driving end end face, point contact is realized with this.
Based on any of the above embodiments, Fig. 3 and Fig. 4 are please referred to, valve bridge ontology 1 can be set to C-shaped configuration, need
It is noted that the C-shaped configuration refers to that overall structure is the intermediate structure protruded towards side, the structure is made to generally form arch
Bridge like, still, the protrusion part can with generally arcuate structure, referring to FIG. 3, be also possible to an apex angle, referring to FIG. 8,
It is not especially limited.Meanwhile the both ends of the recess side of valve bridge ontology 1 are respectively provided with a positioning groove, two valves 4 are correspondingly arranged at
Two positioning grooves, the middle part of the convex side of valve bridge ontology 1 is equipped with the actuator for driving valve bridge ontology 1, and then makes valve bridge
Ontology 1 drives valve 4 to move along preset direction.Wherein, for the valve bridge ontology 1, convex side refers to opposite on valve bridge ontology 1
In the side that the inside of the valve bridge ontology 1 outwardly protrudes, recess side is referred on valve bridge ontology 1 towards 1 inner-concave of valve bridge ontology
Sunken side.
In the present embodiment, valve 4 and actuator are separately positioned on the two sides of valve bridge ontology 1, in actuator to valve body
When applying pressure, the valve bridge ontology 1 of C-shaped can be by the pressure dissipation to two valves 4, compared to the valve bridge sheet of flat construction
Body 1, the bearing capacity and anti-pressure ability of the valve bridge ontology 1 in the present embodiment are stronger, and rigidity is higher, is able to satisfy larger valve 4
The Design of Valve of lift can reduce the quality of movement parts, avoid quality excessive and caused by inertia force increase.Meanwhile
The valve bridge ontology 1 can drive two valves 4 simultaneously, when being assemblied in engine, can make in engine valve actuating mechanism more
It is compact, meet light-weight design demand.
Further, in two positioning grooves, one of positioning groove can be vertically valve 4 be axial in the inner
Section on direction is sealing ring, and the positioning groove is made to form closed configuration；Another positioning groove can be vertically in the inner
Section in the axially direction of valve 4 is U-shaped, and the positioning groove is made to form hatch frame.
Fig. 2, Fig. 6 and Fig. 7 are specifically please referred to, two positioning grooves can be respectively the first positioning groove 11 and the second positioning
Groove 12.Please refer to the first positioning groove 11 in Fig. 6, vertically in the inner 4 axially direction upper section of valve be sealing ring,
Preferably circle.Please refer to the second positioning groove 12 in Fig. 7, vertically in the inner the axially direction upper section of valve 4 be U
Shape.
In the present embodiment, one of positioning groove is closed configuration, then the positioning groove can be correspondingly to valve bridge sheet
Body 1 is positioned, and another positioning groove is set on mouth structure, then positioning phenomenon can be effectively prevented, to disappear
Influence except lateral force to valve 4.
Based on any of the above embodiments, valve 4 can connect spring, the spring be able to drive valve 4 and
Valve bridge ontology 1 carries out resetting movement, correspondingly, during valve bridge 1 resetting movement of ontology, external drive that actuator is connected
Dynamic source should be able to drive actuator to carry out resetting movement.
In the present embodiment, after actuator driving valve 4 is moved along preset direction, spring deformation stores elastic potential energy, and
When actuator resets, valve bridge ontology 1 is no longer influenced by the driving force of actuator, and spring carries out resetting movement at this time, to drive
1 resetting movement of valve 4 and valve bridge ontology, spring can cooperate the reciprocating motion of the realization valve 4 of valve bridge ontology 1, to realize
The unlatching and closure of valve 4, meanwhile, cost is relatively low as return unit for setting spring, and is easily installed.Certainly, valve 4 can be with
It is realized and is resetted by connection magnet assembly.
Based on any of the above embodiments, referring to FIG. 4, actuator may include the rocker arm 2 for being articulated with articulated shaft
With the elephant foot member 3 for being articulated with rocker arm 2, as foot member 3 can contact and press in the middle part of the convex side of valve bridge ontology 1 so that as
It is arc-shaped translational motion that foot member 3, which can carry out track around articulated shaft with rocker arm 2,.During driving, due to as foot
Part 3 compresses valve bridge ontology 1, then as foot member 3 can occur to turn during rotating with rocker arm 2 around articulated shaft relative to rocker arm 2
It is dynamic, as certain opposite sliding can occur for the contact position of foot member 3 and valve bridge ontology 1, as foot member 3 keeps translational motion.It is logical
The cooperation as foot member 3 and valve bridge ontology 1 is crossed, the rotary motion of rocker arm 2 can be converted to the linear motion of valve bridge ontology 1,
Since the movement as foot member 3 is translational motion, fits on valve bridge ontology 1, thereby may be ensured that as foot member 3 can be stablized
The stationarity of valve bridge movement.
It should be noted that hinged as that can be accomplished in several ways between foot member 3 and rocker arm 2.For example, as foot
It can be carried out by articulated shaft, universal joint or spherical hinge between part 3 and rocker arm 2 hinged.
Further, referring to FIG. 4, as contacted on foot member 3 with valve bridge ontology 1 surface, on valve bridge ontology 1 with as
Both surfaces that foot member 3 contacts can be the plane to fit, to further increase as foot member 3 and valve bridge ontology 1 connect
The stationarity of touching.
Based on any of the above embodiments, valve 4 can be plugged in the gas to move along a straight line for limiting valve 4
In door conduit, that is, valve 4 realizes linear motion by the limit of valve guide bushing, and setting is convenient, and reliability is preferable.In addition, due to
Point contact between valve bridge ontology 1 and valve 4, it is ensured that wear leveling between valve 4 and valve guide bushing.Wherein, valve is led
The direction that pipe limits is preset direction.
Certainly, a valve bridge ontology 1 is not limited to two valves 4 of corresponding control, can also only control a valve 4, or
The valve 4 of three, four and other quantity, can be accordingly arranged according to actual needs.
In addition to above-mentioned engine air gate valve bridge mechanism, the utility model additionally provides a kind of camshaft overhead type engine,
The camshaft overhead type engine includes engine air gate valve bridge mechanism, which can be any of the above
The engine air gate valve bridge mechanism provided in embodiment, beneficial effect can accordingly refer to the above various embodiments.The engine
Refer to the prior art for the structure of other each sections, and repeats no more herein.
In addition, the utility model additionally provides a kind of vehicle, including engine, which can implement for any of the above
The camshaft overhead type engine provided in example, beneficial effect can accordingly refer to the above various embodiments.Other of the vehicle are each
Refer to the prior art for partial structure, and repeats no more herein.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Above to vehicle provided by the utility model, camshaft overhead type engine and engine air gate valve bridge mechanism
It is described in detail.Specific case used herein is expounded the principles of the present invention and embodiment, with
The explanation of upper embodiment is merely used to help understand the method and its core concept of the utility model.It should be pointed out that for this skill
For the those of ordinary skill in art field, without departing from the principle of this utility model, can also to the utility model into
Row some improvements and modifications, modifications and modifications also fall within the protection scope of the claims of the utility model.
Claims (10)
1. a kind of engine air gate valve bridge mechanism, which is characterized in that including valve (4) and valve bridge ontology (1), the valve bridge ontology
(1) positioning groove is buckled in the driving end of the valve (4), to drive valve (4) edge by the valve bridge ontology (1)
Preset direction movement is in point contact between the slot bottom of the positioning groove matched and the end face at the driving end.
2. engine air gate valve bridge mechanism according to claim 1, which is characterized in that the positioning groove matched
At least one of the end face at slot bottom and the driving end is the spherical surface protruded towards another one.
3. engine air gate valve bridge mechanism according to claim 1, which is characterized in that the valve bridge ontology (1) is C-shaped knot
Structure, the both ends of the recess side of the valve bridge ontology (1) are respectively provided with the positioning groove, and two valve (4) correspondences are set
It is equipped in the middle part of two positioning grooves, the convex side of the valve bridge ontology (1) for driving the valve bridge ontology (1)
Actuator, and then make the valve bridge ontology (1) that the valve (4) be driven to move along the preset direction.
4. engine air gate valve bridge mechanism according to claim 3, which is characterized in that in two positioning grooves,
In a positioning groove vertically the section in valve (4) axially direction is sealing ring, another institute in the inner
Positioning groove is stated vertically the section in the axially direction of the valve (4) is U-shaped in the inner.
5. engine air gate valve bridge mechanism according to claim 3, which is characterized in that the valve (4) is connected with spring,
The spring is able to drive the valve (4) and the valve bridge ontology (1) carries out resetting movement.
6. engine air gate valve bridge mechanism according to claim 3, which is characterized in that the actuator includes being articulated with
The rocker arm (2) of spindle and the elephant foot member (3) for being articulated with the rocker arm (2), it is described as described in foot member (3) contact and being pressed in
In the middle part of the convex side of valve bridge ontology (1), so that described as foot member (3) can be carried out with the rocker arm (2) around the articulated shaft
Track is arc-shaped translational motion.
7. engine air gate valve bridge mechanism according to claim 6, which is characterized in that described as on foot member (3) and institute
It states the surface of valve bridge ontology (1) contact, on the valve bridge ontology (1) with both surfaces contact as foot member (3) be phase
The plane of fitting.
8. engine air gate valve bridge mechanism according to claim 3, which is characterized in that the valve (4), which is inserted in, to be used for
It limits in the valve guide bushing that the valve (4) moves along a straight line.
9. a kind of camshaft overhead type engine, including engine air gate valve bridge mechanism, which is characterized in that the engine valve
Valve bridge mechanism is engine air gate valve bridge mechanism described in claim 1 to 8 any one.
10. a kind of vehicle, including engine, which is characterized in that the engine is camshaft overhead type as claimed in claim 9
Engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821301119.2U CN208718742U (en) | 2018-08-13 | 2018-08-13 | Vehicle, camshaft overhead type engine and engine air gate valve bridge mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821301119.2U CN208718742U (en) | 2018-08-13 | 2018-08-13 | Vehicle, camshaft overhead type engine and engine air gate valve bridge mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN208718742U true CN208718742U (en) | 2019-04-09 |
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ID=65977337
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821301119.2U Active CN208718742U (en) | 2018-08-13 | 2018-08-13 | Vehicle, camshaft overhead type engine and engine air gate valve bridge mechanism |
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| CN (1) | CN208718742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868937A (en) * | 2018-08-13 | 2018-11-23 | 安徽华菱汽车有限公司 | Vehicle, camshaft overhead type engine and engine air gate valve bridge mechanism |
-
2018
- 2018-08-13 CN CN201821301119.2U patent/CN208718742U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868937A (en) * | 2018-08-13 | 2018-11-23 | 安徽华菱汽车有限公司 | Vehicle, camshaft overhead type engine and engine air gate valve bridge mechanism |
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| GR01 | Patent grant | ||
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Effective date of registration: 20240929 Address after: 243000 no.359 Huxi South Road, economic and Technological Development Zone, Ma'anshan City, Anhui Province Patentee after: Anhui Hanma Engine Co.,Ltd. Country or region after: China Address before: No.359, huxinan Road, Maanshan economic and Technological Development Zone, Anhui Province 243061 Patentee before: ANHUI HUALING AUTOMOBILE Co.,Ltd. Country or region before: China |