CN208534672U - Engine ignition timing device - Google Patents
Engine ignition timing device Download PDFInfo
- Publication number
- CN208534672U CN208534672U CN201821169401.XU CN201821169401U CN208534672U CN 208534672 U CN208534672 U CN 208534672U CN 201821169401 U CN201821169401 U CN 201821169401U CN 208534672 U CN208534672 U CN 208534672U
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- China
- Prior art keywords
- confidence
- winning
- intermediate gear
- ignition timing
- timing device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of engine ignition timing device, engine ignition timing device includes speed probe, and the number of the winning the confidence intermediate gear connecting respectively with cam shaft gear, crankshaft toothed wheel.The side of the number of winning the confidence intermediate gear is arranged in speed probe, and there are gaps between the number of winning the confidence intermediate gear and speed probe.A reference opening and several uniformly distributed telltale holes are provided on the number of winning the confidence intermediate gear, reference opening, telltale hole are located at same circumference, and speed probe is corresponding with reference opening, signal hole site.Telltale hole on the number of winning the confidence intermediate gear is instead of the signal teeth on signal generator fluted disc, reference opening is instead of the hypodontia on signal generator fluted disc, so eliminating signal generator fluted disc, solves signal generator in use, the technical issues of causing ignition angle deviation occur due to the loosening of signal generator fluted disc and influence engine performance, it ensure that the overall performance of engine.
Description
Technical field
The utility model belongs to technical field of engines, and in particular to a kind of engine ignition timing device.
Background technique
In present society, people are more and more stronger to the protective awareness of environment, and the energy using environmental protection is protection environment
One important measures, for this purpose, people also increasingly pay close attention to the performance and used life of natural gas engine.
In the prior art, natural gas engine uses magnetoelectric tachometric transducer, signal generator fluted disc 8 as judgement more
The structure of ignition timing, and signal generator fluted disc 8 is fixed by nut.Specific structure in signal as shown in Figure 1, occur
The signal generator rotary shaft 6 of the support of bearing 7 is provided in device shell 10, signal generator rotary shaft 6 is existed by setting
Connection gear 12 in signal generator rotary shaft 6 is meshed with crankshaft toothed wheel and cam shaft gear to obtain power.Believing
It is provided with signal generator fluted disc 8 in number generator rotary shaft 6, the signal of the position corresponding to signal generator fluted disc 8 occurs
It is provided with speed probe mounting hole 11 on device shell 10, when in use, revolving speed is installed in speed probe mounting hole 11 and is passed
Sensor, and signal generator shell 10 is blocked with cover board 9.There can be following hidden danger using such structure:
(1) during use, the nut for being fixed signal generator fluted disc 8 can usually loosen, signal hair
The offset of raw device fluted disc 8 causes ignition angle deviation occur, influences the performance of engine；
(2) during installation, maintenance, there are artificial difference when the angle of adjustment signal generator fluted disc 8, cause to light a fire
There is deviation in angle, influences the performance of engine.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of engine ignition timing devices, are able to solve letter
Number generator in use, since the loosening of signal generator fluted disc causes ignition angle deviation occur and influences engine
The technical issues of energy.
In order to solve the above technical problems, the technical solution of the utility model is:
Engine ignition timing device, the engine ignition timing device includes: speed probe, and respectively with it is convex
The number of the winning the confidence intermediate gear that wheel axle gear, crankshaft toothed wheel connect；Be provided on the number of the winning the confidence intermediate gear reference opening and
Several uniformly distributed telltale holes, the reference opening, the telltale hole are located at same circumference；The speed probe is set to described
The side of the number of winning the confidence intermediate gear, also, the speed probe is corresponding with the reference opening, the signal hole site, and it is described
There are gaps between the number of winning the confidence intermediate gear and the speed probe.
Further, there are six the telltale hole settings.
Further, the angle between the reference opening and its close described telltale hole is 20 °.
Further, the speed probe is hall-effect speed sensor.
Further, the gap between the number of the winning the confidence intermediate gear and the speed probe is 0.3mm-1.8mm.
Further, the speed probe is installed on end cap, is provided on the end cap for lubricating described win the confidence
The oil-through hole that the lubricating fluid of number intermediate gear passes through.
Further, the oil-through hole is threaded hole.
Further, the engine ignition timing device further includes bearing shell, and the number of the winning the confidence intermediate gear is sheathed on institute
Bearing shell is stated, the bearing shell is fixedly connected with the end cap.
By adopting the above-described technical solution, the beneficial effects of the utility model are:
Engine ignition timing device includes speed probe, and is connect respectively with cam shaft gear, crankshaft toothed wheel
The number of winning the confidence intermediate gear.The side of the number of winning the confidence intermediate gear, also, the number of winning the confidence intermediate gear and revolving speed is arranged in speed probe
There are gaps between sensor.A reference opening and several uniformly distributed telltale holes, reference are provided on the number of winning the confidence intermediate gear
Hole, telltale hole are located at same circumference, and speed probe is corresponding with reference opening, signal hole site.It punches and is allowed on intermediate gear
As the number of winning the confidence intermediate gear, the telltale hole on the number of winning the confidence intermediate gear is instead of the signal teeth on signal generator fluted disc, ginseng
According to hole instead of the hypodontia on signal generator fluted disc, so eliminating signal generator fluted disc, solves signal generator and exist
In use process, asked since signal generator fluted disc loosens the technology for causing ignition angle deviation occur and influencing engine performance
Topic, ensure that the overall performance of engine.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of engine ignition timing device in the prior art；
Fig. 2 is the structural schematic diagram of the engine ignition timing device of the utility model；
Fig. 3 is the left view of Fig. 2；
In figure, 1- fixed plate, 2- bearing shell, the 3- number of winning the confidence intermediate gear, 31- telltale hole, 32- reference opening, 4- end cap, 41-
Oil-through hole, 5- speed probe, 6- signal generator rotary shaft, 7- bearing, 8- signal generator fluted disc, 9- cover board, 10- signal
Generator body, 11- speed probe mounting hole, 12- connection gear, 13- bolt.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
In conjunction with Fig. 2 and Fig. 3 jointly shown in, a kind of engine ignition timing device, it include be mounted on end cap 4 turn
Fast sensor 5, and the number of the winning the confidence intermediate gear 3 being connect respectively with cam shaft gear, crankshaft toothed wheel.The number of winning the confidence intermediate gear 3
It is set on bearing shell 2, one end of bearing shell 2 is fixedly connected with end cap 4, and the other end of bearing shell 2 is fixedly connected with fixed plate 1, three
Between can be achieved a fixed connection by four bolts 13.
A reference opening 32 and several uniformly distributed telltale holes 31, reference opening 32, letter are provided on the number of winning the confidence intermediate gear 3
Number hole 31 is located at same circumference；Speed probe 5 is arranged in the side of the number of winning the confidence intermediate gear 3, also, speed probe 5 with
Reference opening 32,31 position of telltale hole are corresponding, and there are gaps between the number of winning the confidence intermediate gear 3 and speed probe 5.Speed probe
Gap between 5 and the number of winning the confidence intermediate gear 3 is generally located between 0.3mm-1.8mm.Signal on the number of winning the confidence intermediate gear 3
Hole 31 instead of signal generator fluted disc 8 signal teeth, reference opening 32 instead of the hypodontia on signal generator fluted disc 8, so
Signal generator fluted disc 8 is eliminated, solves signal generator in use, since the loosening of signal generator fluted disc 8 is led
The technical issues of causing ignition angle deviation occur and influence engine performance, ensure that the overall performance of engine.
Speed probe 5 preferably uses hall-effect speed sensor, can effectively solve the problem that asking for electromagnetic interference tach signal
Topic.
The oil-through hole 41 that the lubricating fluid for lubricating the number of winning the confidence intermediate gear 4 passes through, oil-through hole 41 are provided on end cap 4
It is preferred that being mounted in threaded hole using hollow bolt when in use using threaded hole, this ensure that the profit in engine body
Lubricating oil can smoothly enter into the axis hole of the number of winning the confidence intermediate gear 3 and be lubricated to the number of winning the confidence intermediate gear 3, and also can be right
Bearing shell 2 is lubricated, and does not need outer note lubricating oil to be lubricated.Simultaneously as the plugging action of hollow bolt, not will cause
The leakage of end cap 4.
By setting on the number of winning the confidence intermediate gear 3, there are six six cylinder natural gases hair is discussed in detail for telltale hole 31 below
Motivation judges the process of ignition timing:
It is uniformly distributed there are six telltale hole 31 on the number of winning the confidence intermediate gear 3 according to the setting program of Engine ECU, in the number of winning the confidence
Between be all separated by 60 ° between six telltale holes 31 on gear 3, the angle between reference opening 32 and its close telltale hole 31 is excellent
It is selected as 20 °.
Judge the process of ignition timing:
Manual rotation's engine, a cylinder compression top center of jiggering to engine, at this time in hall-effect speed sensor
The position of the corresponding number of the winning the confidence intermediate gear 3 of the heart is theoretical compression top dead centre, i.e., arrives this position, a cylinder of engine each time
It will igniting (if not requiring electronic spark advance).
When judging ignition timing, opposite closed using look between a cylinder compression top center of engine and reference opening 32
System, that is, turn over turn a cylinder compression top center that how many angle are exactly engine after reference opening 32 again to confirm that engine one
Cylinder time of ignition.The ignition order of engine is 1-5-3-6-2-4, so after the cylinder igniting of engine, every under 60 °
One cylinder starts to light a fire, i.e., successively lights a fire according to the order of 1-5-3-6-2-4.
Although the foregoing describe specific embodiment of the present utility model, it should be appreciated by those skilled in the art,
Described embodiment is only a part of the embodiment of the utility model, and instead of all the embodiments, these are only to lift
Example explanation, the protection scope of the utility model is to be defined by the appended claims.Those skilled in the art is without departing substantially from this
It, can be to these embodiments under any creative labor of no process under the premise of the principle and essence of utility model
Various changes or modifications are made, but these change and modification each fall within the protection scope of the utility model.
Claims (8)
1. engine ignition timing device, which is characterized in that the engine ignition timing device includes: speed probe, with
And the number of the winning the confidence intermediate gear being connect respectively with cam shaft gear, crankshaft toothed wheel；
It is provided with a reference opening and several uniformly distributed telltale holes on the number of the winning the confidence intermediate gear, it is the reference opening, described
Telltale hole is located at same circumference；
The speed probe is set to the side of the number of the winning the confidence intermediate gear, also, the speed probe and the ginseng
Corresponding according to hole, the signal hole site, there are gaps between the number of the winning the confidence intermediate gear and the speed probe.
2. engine ignition timing device as described in claim 1, which is characterized in that there are six the telltale hole settings.
3. engine ignition timing device as claimed in claim 2, which is characterized in that the reference opening and its close institute
Stating the angle between telltale hole is 20 °.
4. engine ignition timing device as described in any one of claims 1 to 3, which is characterized in that the speed probe
For hall-effect speed sensor.
5. engine ignition timing device as claimed in claim 4, which is characterized in that the number of the winning the confidence intermediate gear with it is described
Gap between speed probe is 0.3mm-1.8mm.
6. engine ignition timing device as described in claim 1, which is characterized in that the speed probe is installed on end cap
On, the oil-through hole that the lubricating fluid for lubricating the number of the winning the confidence intermediate gear passes through is provided on the end cap.
7. engine ignition timing device as claimed in claim 6, which is characterized in that the oil-through hole is threaded hole.
8. engine ignition timing device as claimed in claim 6, which is characterized in that the engine ignition timing device is also
Including bearing shell, the number of the winning the confidence intermediate gear is sheathed on the bearing shell, and the bearing shell is fixedly connected with the end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821169401.XU CN208534672U (en) | 2018-07-23 | 2018-07-23 | Engine ignition timing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821169401.XU CN208534672U (en) | 2018-07-23 | 2018-07-23 | Engine ignition timing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208534672U true CN208534672U (en) | 2019-02-22 |
Family
ID=65385329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821169401.XU Active CN208534672U (en) | 2018-07-23 | 2018-07-23 | Engine ignition timing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208534672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439627A (en) * | 2021-12-15 | 2022-05-06 | 中国石油天然气集团有限公司 | Engine signal sensing device, ignition system and natural gas engine |
-
2018
- 2018-07-23 CN CN201821169401.XU patent/CN208534672U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439627A (en) * | 2021-12-15 | 2022-05-06 | 中国石油天然气集团有限公司 | Engine signal sensing device, ignition system and natural gas engine |
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