CN208669371U - The timing phase system of engine - Google Patents
The timing phase system of engine Download PDFInfo
- Publication number
- CN208669371U CN208669371U CN201821455716.0U CN201821455716U CN208669371U CN 208669371 U CN208669371 U CN 208669371U CN 201821455716 U CN201821455716 U CN 201821455716U CN 208669371 U CN208669371 U CN 208669371U
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- China
- Prior art keywords
- timing
- sprocket wheel
- gear shaft
- idle gear
- points
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Abstract
The utility model discloses a kind of timing phase systems of engine comprising crankshaft rear end flange, idle gear shaft gear, idle gear shaft sprocket wheel, timing chain, exhaust side camshaft sprocket wheel and intake-side camshaft sprocket wheel.When wherein engine carries out timing phase, crankshaft is in a cylinder top dead centre, at this moment positive time slot alignment the first timing points of idle gear shaft gear of crankshaft rear end flange, the first timing chain piece alignment idle gear shaft sprocket wheel timing points of timing chain, the second timing chain piece alignment exhaust side camshaft sprocket wheel timing points of timing chain and the third timing chain piece of timing chain are directed at intake-side camshaft sprocket wheel timing points, form the first timing phase path at this time.The timing phase system structure of the utility model is simple, applicability is wide.
Description
Technical field
The utility model is about engine manufacturing field, especially with regard to a kind of timing phase system of engine.
Background technique
During engine is designed and developed, engine timing phase is usually gear phase or chain drive phase.Gear phase
Position carries out timing marks generally on gear, gear mating engagement two-by-two；Chain drive phase generally has sprocket wheel positioning plus chain
Timing positioning.The positioning form of gear phase or chain drive phase is relatively single, flourishing for current high speed to start
Machine field, versatility are subject to certain restrictions.
The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and
It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing
Technology.
Utility model content
The purpose of this utility model is to provide a kind of timing phase system of engine, the chain that has been integrated use is just
When label, gear timing label and crankshaft timing gear be blocked after assist timing marks the double-deck timing phase system, including
Structure is simple, applicability is wide, reliable and stable advantage is transmitted in timing.
To achieve the above object, the utility model provides a kind of timing phase system of engine comprising after crankshaft
End flanges, idle gear shaft gear, idle gear shaft sprocket wheel, timing chain, exhaust side camshaft sprocket wheel and intake-side camshaft chain
Wheel.Crankshaft rear end flange is structure as a whole with crankshaft timing gear, and crankshaft rear end flange includes the positive time slot of crankshaft rear end flange；It is lazy
Gear shaft gear is engaged with crankshaft timing gear, and idle gear shaft gear includes the first timing points of idle gear shaft gear；Idle gear shaft
Sprocket wheel is structure as a whole with idle gear shaft gear, and idle gear shaft sprocket wheel includes idle gear shaft sprocket wheel timing points；Timing chain with it is lazy
Gear shaft sprocket engagement, timing chain include the first timing chain piece, the second timing chain piece and third timing chain piece；Exhaust side is convex
Wheel shaft sprocket wheel is engaged with timing chain, and exhaust side camshaft sprocket wheel includes exhaust side camshaft sprocket wheel timing points；Air inlet side cam
Axis sprocket wheel is engaged with timing chain, and intake-side camshaft sprocket wheel includes intake-side camshaft sprocket wheel timing points；Wherein at crankshaft
When a cylinder top dead centre, positive time slot alignment the first timing points of idle gear shaft gear of crankshaft rear end flange, the alignment of the first timing chain piece
Idle gear shaft sprocket wheel timing points, the second timing chain piece alignment exhaust side camshaft sprocket wheel timing points and third timing chain piece are aligned
Intake-side camshaft sprocket wheel timing points form the first timing phase path at this time.
In a preferred embodiment, crankshaft timing gear includes crankshaft timing gear timing points, crankshaft timing gear
Timing points are corresponding with the positive time slot of crankshaft rear end flange.
In a preferred embodiment, there are one with idle gear shaft sprocket wheel timing points for the first timing points of idle gear shaft gear
Determine the phase difference of angle.
In a preferred embodiment, further include fuel injection pump gear, engaged with idle gear shaft gear, fuel injection pump gear
Including fuel injection pump gear timing points.
In a preferred embodiment, idle gear shaft gear further includes the second timing points of idle gear shaft gear, idle gear
There are the phase differences of certain angle with the first timing points of idle gear shaft gear for the second timing points of shaft gear.
In a preferred embodiment, when crankshaft is in a cylinder top dead centre, the positive time slot of crankshaft rear end flange is to just lazy
The first timing points of gear shaft gear, and the second timing points of idle gear shaft gear form to positive fuel injection pump gear timing points at this time
Two timing phase paths.
Compared with prior art, the timing phase system of the engine of the utility model positive markers of chain that has been integrated use
Note, gear timing label and crankshaft timing gear assist the double-deck timing phase system of timing marks, including structure after being blocked
Simply, applicability is wide, reliable and stable beneficial effect is transmitted in timing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to the timing phase system of one embodiment of the utility model.
Fig. 2 is the amplification according to the positive time slot of crankshaft rear end flange of the timing phase system of one embodiment of the utility model
Figure.
Fig. 3 is the schematic diagram according to the chain drive timing points of the timing phase system of one embodiment of the utility model.
Main appended drawing reference explanation:
1- crankshaft rear end flange, the positive time slot of 11- crankshaft rear end flange, 2- idle gear shaft, 21- idle gear shaft gear, 211-
The first timing points of idle gear shaft gear, 212- idle gear shaft the second timing points of gear, 22- idle gear shaft sprocket wheel, 221- idle gear
Axis sprocket wheel timing points, 3- timing chain, 31- the first timing chain piece, 32- the second timing chain piece, 33- third timing chain piece, 4- row
Gas side camshaft sprocket, 41- exhaust side camshaft sprocket wheel timing points, 5- intake-side camshaft sprocket wheel, 51- intake-side camshaft chain
Take turns timing points, 6- fuel injection pump gear, 61- fuel injection pump gear timing points, the first timing phase of A- path, the second timing phase of B- road
Diameter.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical
Novel protection scope is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
As shown in Figure 1 to Figure 3, Fig. 1 is the structural representation according to the timing phase system of one embodiment of the utility model
Figure.Fig. 2 is the enlarged drawing according to the positive time slot of crankshaft rear end flange of the timing phase system of one embodiment of the utility model.Figure
3 be the schematic diagram according to the chain drive timing points of the timing phase system of one embodiment of the utility model.It is practical according to this
A kind of timing phase system of engine of novel preferred embodiment, including crankshaft rear end flange 1, idle gear shaft gear 21,
Idle gear shaft sprocket wheel 22, timing chain 3, exhaust side camshaft sprocket wheel 4 and intake-side camshaft sprocket wheel 5.
In some embodiments, crankshaft rear end flange 1 is structure as a whole with crankshaft timing gear, crankshaft rear end flange 1
Including the positive time slot 11 of crankshaft rear end flange.When engine assembly, since the outer diameter of crankshaft rear end flange 1 is greater than crankshaft timing gear
Outer diameter, such crankshaft rear end flange 1 just blocked the mark point of crankshaft timing gear, therefore carves on crankshaft timing gear bent
While axis timing gears timing points, the positive time slot 11 of crankshaft rear end flange and idle gear need to be also carved on crankshaft rear end flange 1
The first timing points of shaft gear 211 are aligned, accurate when guaranteeing that crankshaft timing gear is engaged with idle gear shaft gear 21.
In some embodiments, idle gear shaft gear 21 is engaged with crankshaft timing gear, and idle gear shaft gear 21 includes
The first timing points of idle gear shaft gear 211；And idle gear shaft 2, idle gear shaft gear 21 and idle gear shaft sprocket wheel 22 are actually
Integral structure, idle gear shaft sprocket wheel 22 equally include idle gear shaft sprocket wheel timing points 221；But the first timing of idle gear shaft gear
There are the phase differences of certain angle with idle gear shaft sprocket wheel timing points 221 for point 211.
In some embodiments, timing chain 3 simultaneously with idle gear shaft sprocket wheel 22, exhaust side camshaft sprocket wheel 4 and
Intake-side camshaft sprocket wheel 5 engages.Exhaust side camshaft sprocket wheel 4 includes exhaust side camshaft sprocket wheel timing points 41；Air inlet side is convex
Wheel shaft sprocket wheel 5 includes intake-side camshaft sprocket wheel timing points 51；Timing chain 3 includes the first timing chain piece 31, the second timing chain
Piece 32 and third timing chain piece 33.
In some embodiments, when engine carries out timing phase, crankshaft is in a cylinder top dead centre, at this moment will be after crankshaft
The positive time slot 11 of end flanges is being directed at idle gear shaft gear the first timing points 211, the first timing chain piece 31 alignment idle gear shaft sprocket wheel just
Time point 221, the second timing chain piece 32 alignment exhaust side camshaft sprocket wheel timing points 41, the alignment of third timing chain piece 33 air inlet side are convex
Wheel shaft sprocket wheel timing points 51 are at this time the first timing phase path.The benefit designed in this way is to make intake-side camshaft sprocket wheel 5
Same chain sprocket structure is designed as with exhaust side camshaft sprocket wheel 4, it is possible to reduce special purpose parts quantity makes whole system become simpler
Single, cost also decreases.
In some embodiments, the timing phase system of engine further includes fuel injection pump gear 6, with idle gear shaft tooth
21 engagement of wheel, fuel injection pump gear 6 include fuel injection pump gear timing points 61.Meanwhile idle gear shaft gear 21 further includes idle gear shaft
The second timing points of gear 212, there are one with the first timing points of idle gear shaft gear 211 for the second timing points of idle gear shaft gear 212
Determine the phase difference of angle.
In some embodiments, when crankshaft is in a cylinder top dead centre, the positive time slot 11 of crankshaft rear end flange is to just lazy tooth
The first timing points of wheel axle gear 211, and the second timing points of idle gear shaft gear 212 are to positive fuel injection pump gear timing points 61, at this time
Form the second timing phase path.In this way, the timing phase system of the engine of the utility model is just provided with the first positive phase
Position path and two, the second timing phase path timing phase path.
In conclusion the timing phase system of the engine of the utility model is compared with prior art, it is integrated use
Chain timing marks, gear timing label and crankshaft timing gear assist the double-deck timing phase system of timing marks after being blocked
System, applicability simple including structure is wide, reliable and stable beneficial effect is transmitted in timing.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These
Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out
It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model
And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes
Formula is limited.
Claims (6)
1. a kind of timing phase system of engine characterized by comprising
Crankshaft rear end flange, is structure as a whole with crankshaft timing gear, and the crankshaft rear end flange includes crankshaft rear end flange
Positive time slot；
Idle gear shaft gear is engaged with the crankshaft timing gear, and the idle gear shaft gear includes idle gear shaft gear
One timing points；
Idle gear shaft sprocket wheel is structure as a whole with the idle gear shaft gear, and the idle gear shaft sprocket wheel includes idle gear shaft
Sprocket wheel timing points；
Timing chain, with the idle gear shaft sprocket engagement, the timing chain includes the first timing chain piece, the second timing chain
Piece and third timing chain piece；
Exhaust side camshaft sprocket wheel is engaged with the timing chain, and the exhaust side camshaft sprocket wheel includes exhaust side cams
Axis sprocket wheel timing points；And
Intake-side camshaft sprocket wheel is engaged with the timing chain, and the intake-side camshaft sprocket wheel includes air inlet side cam
Axis sprocket wheel timing points；
Wherein, when crankshaft is in a cylinder top dead centre, the positive time slot of the crankshaft rear end flange is directed at the idle gear shaft gear the
One timing points, the first timing chain piece are aligned described in the idle gear shaft sprocket wheel timing points, the second timing chain piece alignment
Exhaust side camshaft sprocket wheel timing points and the third timing chain piece alignment intake-side camshaft sprocket wheel timing points, at this time
Form the first timing phase path.
2. the timing phase system of engine as described in claim 1, which is characterized in that the crankshaft timing gear includes song
Axis timing gears timing points, the crankshaft timing gear timing points are corresponding with the positive time slot of crankshaft rear end flange.
3. the timing phase system of engine as described in claim 1, which is characterized in that the idle gear shaft gear first is just
There are the phase differences of certain angle with the idle gear shaft sprocket wheel timing points for time point.
4. the timing phase system of engine as described in claim 1, which is characterized in that it further include fuel injection pump gear, with
The idle gear shaft gear engagement, the fuel injection pump gear includes fuel injection pump gear timing points.
5. the timing phase system of engine as claimed in claim 4, which is characterized in that the idle gear shaft gear further includes
The second timing points of idle gear shaft gear, second timing points of idle gear shaft gear and first timing points of idle gear shaft gear
There are the phase differences of certain angle.
6. the timing phase system of engine as claimed in claim 5, which is characterized in that when the crankshaft is on a cylinder only
When point, the positive time slot of crankshaft rear end flange is to just described the first timing points of idle gear shaft gear, and the idle gear shaft gear
Second timing points form the second timing phase path to the just described fuel injection pump gear timing points at this time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821455716.0U CN208669371U (en) | 2018-09-06 | 2018-09-06 | The timing phase system of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821455716.0U CN208669371U (en) | 2018-09-06 | 2018-09-06 | The timing phase system of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208669371U true CN208669371U (en) | 2019-03-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821455716.0U Active CN208669371U (en) | 2018-09-06 | 2018-09-06 | The timing phase system of engine |
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| Country | Link |
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| CN (1) | CN208669371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825322A (en) * | 2018-09-06 | 2018-11-16 | 广西玉柴机器股份有限公司 | The timing phase system of engine |
-
2018
- 2018-09-06 CN CN201821455716.0U patent/CN208669371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825322A (en) * | 2018-09-06 | 2018-11-16 | 广西玉柴机器股份有限公司 | The timing phase system of engine |
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