CN201013517Y - Engines cam wheel timing device - Google Patents
Engines cam wheel timing device Download PDFInfo
- Publication number
- CN201013517Y CN201013517Y CNU2006201603261U CN200620160326U CN201013517Y CN 201013517 Y CN201013517 Y CN 201013517Y CN U2006201603261 U CNU2006201603261 U CN U2006201603261U CN 200620160326 U CN200620160326 U CN 200620160326U CN 201013517 Y CN201013517 Y CN 201013517Y
- Authority
- CN
- China
- Prior art keywords
- injection pump
- timing
- hole
- drive flange
- plate
- 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.)
- Expired - Fee Related
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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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- Fuel-Injection Apparatus (AREA)
Abstract
The utility model discloses a timing device for the cam of the engine, which comprises a timing adjusting board of the injection pump, a gear wheel of the injection pump, a driving flange, a distance-fixed cover, a driving axis, a signal tray and a shell body. A dismountable bolt hole and a positioning groove are positioned on the signal tray; a connecting nail hole, a bolt hole and a timing hole are respectively on the corresponding positions of the timing adjusting board of the injection pump, the gear wheel of the injection pump and the driving flange; the signal tray is fixed on the rear of the driving axis through the positioning bond and the nut; and the timing adjusting board of the injection pump, the gear wheel of the injection pump and the driving flange are fixed on the front end of the driving axis through the bond, the positioning cover, the nut and the bolt. The driving axis is positioned inside of the shell body through a rolling bearing and a retainer ring; the shell body is connected with the engine through the bolt. The utility model is characterized in that the timing device for the cam of the engine is simple in the structure, light in the weight, convenient in the installation and low in the cost and so on.
Description
Technical field
The utility model relates to a kind of engine cam advance/retard mechanism, relates in particular to a kind of linking to each other by direct geared to obtain the advance/retard mechanism of camshaft phase.
Background technique
Along with the increasingly stringent of environmental regulation, more and more stricter to the emission standard of motor, conventional engines can't satisfy emission request.In order to reduce engine emission gas contaminant capacity, adopt electronic control technology more prevalent, be exactly phase place and the engine speed that will obtain camshaft and individual key parameter is arranged in electronic control technology.Common engine generally adopts is to gather tach signal at engine snubber or flywheel place, gather the cam position signal at camshaft driving gear place, this mode structure relative complex, big to some part change of motor, the cost height is difficult for eliminating machining error.
Therefore, need provide a kind of simple in structure, easy to adjust, engine ignition advance/retard mechanism that cost is low.
Summary of the invention
At the prior art deficiency, the purpose of this utility model provide a kind of simple in structure, change little, can eliminate machining error and the low engine cam advance/retard mechanism of cost.
The utility model engine cam advance/retard mechanism comprises Injection Pump timing adjustment plate, fuel injection pump gear, drive flange, transmission shaft, signal panel and housing.On described signal panel, be provided with timing marks and keyway; Be provided with timing hole, bolt hole and keyway at described drive flange; Be provided with excessively nail hole and the timing hole corresponding at described Injection Pump timing adjustment plate and fuel injection pump gear with drive flange bolt hole and timing hole; Described signal panel are fixed on the transmission shaft rear end by key and nut; Described drive flange, fuel injection pump gear and Injection Pump timing are adjusted plate and are fixed on the transmission shaft front end from inside to outside successively; Described transmission shaft is fixed in the housing by rolling bearing and back-up ring.
In the utility model engine cam advance/retard mechanism, drive flange, fuel injection pump gear and Injection Pump timing are adjusted plate and are fixed on the transmission shaft front end by spacer sleeve, key and nut.The relative center of described signal panel symmetric design has equally distributed demounting bolt hole, and size is at M4～M10, and quantity is at 2～8; The signal panel center hole is provided with keyway, and width is at (4～8) mm.The relative center of drive flange symmetric design has equally distributed fixed bolt hole, and size is at M6～M12, and quantity is at 2～8; The drive flange design has a timing hole, and size is at Φ 4～Φ 12; Described drive flange center design keyway, width is at (4～10) mm.The relative center of plate symmetric design is adjusted in the Injection Pump timing the equally distributed nail hole of crossing, and size is at Φ 8～Φ 16, and quantity is consistent with the drive flange number of bolt hole, and the plate design is adjusted in the Injection Pump timing a timing hole, and size is at Φ 4～Φ 12.The relative center of fuel injection pump gear symmetric design has the equally distributed nail hole of crossing, and size is at Φ 8～Φ 16, and quantity is consistent with the drive flange number of bolt hole.The fuel injection pump gear design has a timing hole, and size is at Φ 4～Φ 12.
In the utility model engine cam advance/retard mechanism, it is original setting that plate is adjusted in injection pump of engine gear, Injection Pump timing, and signal panel, housing, transmission shaft and drive flange are provided with for newly-increased.Adjusting design on plate, the drive flange at described fuel injection pump gear, Injection Pump timing has and corresponding fixingly crosses nail hole and bolt hole, and is used for the timing hole of mark three relative position.
Described housing adopts casting technique, and housing is by being bolted on the gear chamber cover plate, and between housing and gear chamber cover plate the Injection Pump joining plate is set.Described fuel injection pump gear, Injection Pump timing adjustment plate, drive flange, signal panel all adopt common used material in the engineering, and the design adopts the 45# steel.
In the utility model engine cam advance/retard mechanism, when screw bolt passes Injection Pump timing adjustment plate, when fuel injection pump gear is connected with drive flange, can follow closely the certain angle of adjustment in the hole in the mistake of Injection Pump timing adjustment plate, fuel injection pump gear, reach the purpose of eliminating machining error.
Owing to adopt above-mentioned technological scheme, the utlity model has following beneficial effect:
1, helps eliminating machining error;
2, change little to motor;
3, simple in structure, in light weight, easy for installation;
4, reduce cost.
Description of drawings
Fig. 1 is the plan view that plate is adjusted in the Injection Pump timing in the utility model device;
Fig. 2 is the plan view of the fuel injection pump gear in the utility model device;
Fig. 3 is the plan view of the drive flange in the utility model device;
Fig. 4 is the plan view of the signal panel in the utility model device;
Fig. 5 is the assembly sectional view of this use new type of cam advance/retard mechanism.
Reference character wherein: plate timing hole is adjusted in the timing of 1-Injection Pump; The timing of 2-Injection Pump is adjusted plate and is crossed the nail hole; The plate center hole is adjusted in the timing of 3-Injection Pump; 4-fuel injection pump gear center hole; 5-fuel injection pump gear timing hole; The 6-fuel injection pump gear is crossed the nail hole; 7-drive flange keyway; 8-drive flange timing hole; 9-drive flange bolt hole; 10-signal panel bolt hole; 11-signal panel keyway; 12-signal panel timing marks; The 13-signal panel; The 14-housing; 15-signal panel set screw nut; 16-signal panel retainingf key; 17-transmission shaft rear end back-up ring; 18-transmission shaft rear end rolling bearing; The 19-sensor; 20-housing fixing bolt; 21-Injection Pump joining plate; 22-gear chamber cover plate; The 23-gear chamber; 24-transmission shaft front end back-up ring; The plate fixing bolt is adjusted in 25-drive flange, fuel injection pump gear and Injection Pump timing; 26-transmission shaft front end rolling bearing; 27-drive flange retainingf key; 28-transmission shaft front end set screw nut; The 29-transmission shaft; The 30-spacer sleeve; Plate is adjusted in the timing of 31-Injection Pump; The 32-drive flange; The 33-fuel injection pump gear; 34-O type circle.
Embodiment
Below in conjunction with accompanying drawing embodiment is illustrated:
As shown in Figure 1, timing hole 1 is arranged, cross nail hole 2 and center hole 3 in the design of described Injection Pump timing adjustment plate;
As shown in Figure 2, center hole 4, timing hole 5 are arranged and cross nail hole 6 in described fuel injection pump gear design;
As shown in Figure 3, at described drive flange design keyway 7, timing hole 8 and bolt hole 9;
As shown in Figure 4, in described signal panel design bolt hole 10, keyway 11 and timing marks 12 are arranged.
As shown in Figure 5, housing 14 passes Injection Pump joining plate 21 by bolt 20 and is fixed on the gear chamber cover plate.Housing 14 seals by O type circle 34 with the Injection Pump jointing plate.Transmission shaft 29 is installed in the housing 14 by rolling bearing 18, back-up ring 17 and rolling bearing 26, back-up ring 24, drive flange 32 by spacer sleeve 30 and key 27 location and installation in transmission shaft 29 front ends.Bolt 25 passes Injection Pump timing adjustment plate 31 successively, fuel injection pump gear 33 is fixing with drive flange 32, and Injection Pump timing adjustment plate timing hole 1, fuel injection pump gear timing hole 5, drive flange timing hole 8 guarantee three's relative position point-blank.The transmission shaft front end tightens up by nut 28 at last.The device front end is equipped with gear chamber cover 23.Signal panel 13 are fixed on transmission shaft 29 rear ends by key 16 and nut 15, and signal panel timing marks 12 should be over against sensor 19 central positions when motor the 1st cylinder compression top center, and bolt hole 10 is used for the dismounting of signal panel 13.
The utility model is because the mistake of plate 31 is adjusted in the Injection Pump timing follows closely hole 2 and follow closely hole 6 with the mistake of fuel injection pump gear 33 and than the bolt that cooperates in drive flange bolt hole 9 is relative big gap is arranged, so signal panel 13 can be adjusted certain angle.Each position of whole cam timing device all adopted high-precision key to cooperate and the hole in the little Spielpassung of axle, make whole advance/retard mechanism Location accuracy height, guaranteed the stationarity of signal.
It should be noted that at last: above embodiment only in order to the explanation the utility model and and the described technological scheme of unrestricted the utility model; Therefore, although this specification has been described in detail the utility model with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technological scheme and the improvement thereof of spirit and scope of the present utility model, and it all should be encompassed in the claim scope of the present utility model.
Claims (10)
1. an engine cam advance/retard mechanism comprises Injection Pump timing adjustment plate, fuel injection pump gear, and it is characterized in that: described engine cam advance/retard mechanism also comprises drive flange, transmission shaft, signal panel and housing; On described signal panel, be provided with timing marks and keyway; Be provided with timing hole, bolt hole and keyway at described drive flange; Be provided with excessively nail hole and the timing hole corresponding at described Injection Pump timing adjustment plate and fuel injection pump gear with drive flange bolt hole and timing hole; Described signal panel are fixed on the transmission shaft rear end by key and nut; Described drive flange, fuel injection pump gear and Injection Pump timing are adjusted plate and are fixed on the transmission shaft front end from inside to outside successively; Described transmission shaft is fixed in the housing by rolling bearing and back-up ring.
2. according to the described device of claim 1, it is characterized in that: described drive flange, fuel injection pump gear and Injection Pump timing are adjusted plate and are fixed on the transmission shaft front end by spacer sleeve, key and nut.
3. according to the described device of claim 1, it is characterized in that: the relative center of described signal panel symmetric design has equally distributed demounting bolt hole, and size is at M4～M10, and quantity is at 2～8; The signal panel center hole is provided with keyway, and width is at 4～8mm.
4. according to the described device of claim 1, it is characterized in that: the relative center of described drive flange symmetric design has equally distributed fixed bolt hole, and size is at M6～M12, and quantity is at 2～8; The drive flange design has a timing hole, and size is at Φ 4～Φ 12; The drive flange center is provided with keyway, and width is at 4～10mm.
5. according to the described device of claim 1, it is characterized in that: the relative center of plate symmetric design is adjusted in described Injection Pump timing the equally distributed nail hole of crossing, size is at Φ 8～Φ 16, quantity is consistent with the drive flange number of bolt hole, the plate design is adjusted in the Injection Pump timing a timing hole, and size is at Φ 4～Φ 12.
6. according to the described device of claim 1, it is characterized in that: the relative center of described fuel injection pump gear symmetric design has the equally distributed nail hole of crossing, and size is at Φ 8～Φ 16, and quantity is consistent with the drive flange number of bolt hole, the fuel injection pump gear design has a timing hole, and size is at Φ 4～Φ 12.
7. according to the described device of claim 1, it is characterized in that: described housing is by being bolted on the gear chamber cover plate, and between housing and gear chamber cover plate the Injection Pump joining plate is set, and housing and Injection Pump jointing plate are by the sealing of O type circle.
8. according to claim 1,2,4,5 or 6 described devices, it is characterized in that: the Injection Pump timing is adjusted plate, fuel injection pump gear and drive flange by passing the fixing of bolt successively, and the Injection Pump timing is adjusted plate timing hole, fuel injection pump gear timing hole, drive flange timing hole point-blank.
9. according to the described device of claim 1, it is characterized in that: described signal panel timing marks should be over against the center sensor position when motor the 1st cylinder compression top center.
10. according to the described device of claim 1, it is characterized in that: the mistake that the mistake that plate is adjusted in the Injection Pump timing is followed closely hole and fuel injection pump gear follows closely that bolt that boring ratio cooperates in the drive flange bolt hole is relative big gap, makes signal panel can adjust certain angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201603261U CN201013517Y (en) | 2006-11-29 | 2006-11-29 | Engines cam wheel timing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201603261U CN201013517Y (en) | 2006-11-29 | 2006-11-29 | Engines cam wheel timing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201013517Y true CN201013517Y (en) | 2008-01-30 |
Family
ID=39025303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201603261U Expired - Fee Related CN201013517Y (en) | 2006-11-29 | 2006-11-29 | Engines cam wheel timing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201013517Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438117A (en) * | 2013-08-09 | 2013-12-11 | 浙江吉利汽车研究院有限公司 | Synchronizer for vehicle transmission |
| CN104389715A (en) * | 2014-09-16 | 2015-03-04 | 力帆实业(集团)股份有限公司 | Electronic fuel injection engine trigger signal panel for motorcycle |
| CN108798816A (en) * | 2018-07-03 | 2018-11-13 | 广西玉柴机器股份有限公司 | The timing detent mechanism of overhead cam shaft gear |
-
2006
- 2006-11-29 CN CNU2006201603261U patent/CN201013517Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438117A (en) * | 2013-08-09 | 2013-12-11 | 浙江吉利汽车研究院有限公司 | Synchronizer for vehicle transmission |
| CN104389715A (en) * | 2014-09-16 | 2015-03-04 | 力帆实业(集团)股份有限公司 | Electronic fuel injection engine trigger signal panel for motorcycle |
| CN108798816A (en) * | 2018-07-03 | 2018-11-13 | 广西玉柴机器股份有限公司 | The timing detent mechanism of overhead cam shaft gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080130 Termination date: 20151129 |
|
| EXPY | Termination of patent right or utility model |