CN2692365Y - Single cylinder antiback running device - Google Patents
Single cylinder antiback running device Download PDFInfo
- Publication number
- CN2692365Y CN2692365Y CN 200420039055 CN200420039055U CN2692365Y CN 2692365 Y CN2692365 Y CN 2692365Y CN 200420039055 CN200420039055 CN 200420039055 CN 200420039055 U CN200420039055 U CN 200420039055U CN 2692365 Y CN2692365 Y CN 2692365Y
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- counter
- rotating
- exhaust
- valve
- camshaft
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- Expired - Fee Related
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Abstract
The utility model relates to a single cylinder anti-back running device which comprises a gas inlet device, a gas exhaust device, and a back running exhaust device. A camshaft 1 is provided with a back running exhaust cam, and a one-way clutch device is arranged between the back running exhaust cam and the camshaft. The back running exhaust cam is connected with a valve tappet 13 which is hinged with a push rod 14, and the push rod 14 is connected with a valve adjusting bolt. The adjusting bolt 15 is arranged on an exhaust valve rocker. The product can prevent the back running of the diesel engine, which avoids the injury to operating staff.
Description
Affiliated technical field
The utility model belongs to Diesel Engine Technique Field, relates in particular to a kind of anti-reverse mechanism of diesel engine.
Background technique
Existing single cylinder diesel generally adopts the crank manual cranking, sometimes because rocket ignition time is too early, make Piston Compression the burning mixture premature ignition, cause engine inversion, thereby also driven be inserted in the engine start pawl the crank high speed reverse rotation, operator are caused damage, and the accident of injured arm, head happens occasionally, the serious life that also can injure the operator; Also having a kind of common situation is exactly when the manual cranking diesel engine, and motor is not lighted a fire when hand end, because the effect of pressurized gas in the cylinder also can cause crank moment high speed reverse rotation, can cause damage to operator equally.
Summary of the invention
The purpose of this utility model provides a kind of device that prevents the diesel engine counter-rotating.
For achieving the above object, the technical solution of the utility model is: the single cylinder engine anti-reverse mechanism, comprise cam shaft for diesel engine, diesel engine intake device and venting gas appliance by camshaft control also are provided with the counter-rotating venting gas appliance that can open exhaust valve when diesel engine reverses on the described diesel engine.
As a kind of improvement, described diesel exhaust comprises the cam of the control exhaust valve switching of being located on the camshaft, exhaust valve tappet by the cam promotion, exhaust valve push rod by the promotion of exhaust valve tappet, adjust bolt by the exhaust valve gap that the exhaust valve push rod promotes, bolt is adjusted in an end of exhaust valve rocking arm in the exhaust valve gap, the other end of exhaust valve rocking arm is for promoting the part that exhaust valve opens and closes, the exhaust valve tappet comprises the sliding sleeve of pegging graft with the exhaust valve push rod, sliding sleeve is socketed on the exhaust valve tappet body, is provided with spring between sliding sleeve and the exhaust valve tappet body; The counter-rotating exhaust cam also is installed on the described camshaft, the counter-rotating exhaust cam has a protruding operation point at least, can make the one-way clutch of counter-rotating exhaust cam when being provided with the camshaft counter-rotating between counter-rotating exhaust cam and the camshaft, also be provided with one and prevent to reverse when camshaft from just changeing exhaust cam with the spline pawl that changes with the camshaft rotation; Counter-rotating valve tappet by the promotion of counter-rotating exhaust cam, counter-rotating valve actuating push rod by the promotion of counter-rotating valve tappet, the counter-rotating valve tappet is hinged with the counter-rotating valve actuating push rod, described exhaust valve rocking arm is installed the valve clearance and is adjusted bolt end and also be provided with a counter-rotating valve clearance that is promoted by the counter-rotating valve actuating push rod and adjust bolt, is provided with between counter-rotating valve actuating push rod and the diesel-engine body spring of bolt is adjusted in the counter-rotating valve actuating push rod valve clearance of pushing to reverse.
Owing to adopt technique scheme, diesel engine has increased a counter-rotating venting gas appliance, when reversing, valve is opened by diesel engine by the counter-rotating venting gas appliance, high pressure inflammable gas in the cylinder is discharged, prevented the burning of inflammable gas, thereby stoped the counter-rotating and the bounce-back of diesel engine, avoided the damage to person that operator are caused.The utility model is simple in structure, easy to use, has very big social benefit and market prospects.
Description of drawings
Accompanying drawing 1 is the utility model embodiment's a structural representation.
Accompanying drawing 2 is air inlet system schematic representation of the utility model embodiment.
Accompanying drawing 3 is venting gas appliance schematic representation of the utility model embodiment.
Accompanying drawing 4 is counter-rotating venting gas appliance schematic representation of the utility model embodiment.
Accompanying drawing 5 is structural representations of the utility model embodiment overrunning clutch.
Accompanying drawing 6 is structural representations that the utility model embodiment overrunning clutch has three work projectioies.
Embodiment
To shown in the accompanying drawing 5, the single cylinder engine anti-reverse mechanism comprises cam shaft for diesel engine 1 as accompanying drawing 1, by the diesel engine intake device and the venting gas appliance of camshaft 1 control, wherein:
Described diesel engine intake device comprises the cam 2 of the control valve switching of being located on the camshaft 1, intake valve tappet 4 by cam 2 promotions, intake valve push rod 6 by 4 promotions of intake valve tappet, adjust bolt 8 by the intake valve gap that intake valve push rod 6 promotes, the end that bolt 8 is fixed in intake valve rocking arm 10 is adjusted in the intake valve gap, and the other end of intake valve rocking arm 10 is for promoting the part that intake valve opens and closes.
Described diesel exhaust comprises the cam 3 of the control exhaust valve switching of being located on the camshaft 1, exhaust valve tappet 5 by cam 3 promotions, exhaust valve push rod 7 by 5 promotions of exhaust valve tappet, adjust bolt 9 by the exhaust valve gap that exhaust valve push rod 7 promotes, the end that bolt 9 is fixed in exhaust valve rocking arm 11 is adjusted in the exhaust valve gap, the other end of exhaust valve rocking arm 11 is for promoting the part that exhaust valve opens and closes, exhaust valve tappet 5 comprises the sliding sleeve 51 of pegging graft with exhaust valve push rod 7, sliding sleeve 51 is socketed on the exhaust valve tappet body 52, is provided with spring 53 between sliding sleeve 51 and the valve tappet body 52;
Counter-rotating exhaust cam 11 also is installed on the described camshaft 1, counter-rotating exhaust cam 11 has a protruding operation point, can make the one-way clutch of counter-rotating exhaust cam 11 when being provided with the camshaft counter-rotating between counter-rotating exhaust cam 11 and the camshaft 1, also be provided with one and prevent to reverse when camshaft from just changeing exhaust cam 11 with the spline pawl 12 that changes with camshaft 1 rotation; Counter-rotating valve tappet 13 by 11 promotions of counter-rotating exhaust cam, counter-rotating valve actuating push rod 14 by 13 promotions of counter-rotating valve tappet, counter-rotating valve tappet 13 is hinged with counter-rotating valve actuating push rod 14, described exhaust valve rocking arm 11 is installed valve clearancies and is adjusted bolt ends and also be provided with a counter-rotating valve clearance that is promoted by counter-rotating valve actuating push rod 14 and adjust bolt 15, is provided with between counter-rotating valve actuating push rod 14 and the diesel-engine body 16 counter-rotating valve actuating push rod 14 push to the to reverse spring 17 of valve clearance adjustment bolt 15.The described counter-rotating exhaust cam 11 that makes comprises roller 11a with the one-way clutch of camshaft 1 rotation, the part of the inner end of center line and camshaft 1 disjoint roller chute 11b and roller chute 11b is deep in the camshaft hole of counter-rotating exhaust cam 11, promotes roller 11a and presses to camshaft 1 and be located at the interior spring 11c of roller chute 11b.
During the diesel engine proper functioning, inlet and exhaust valve is under the effect of camshaft, open or close by certain frequency, the diesel engine proper functioning, the counter-rotating exhaust cam 11 of venting gas appliance of reversing this moment does not rotate with camshaft, cam 11 valve tappet 13 motion that can not promote to reverse, and bolt 15 is adjusted in spring 17 valve tappet 13 and counter-rotating valve actuating push rod 14 valve clearance of pushing to all the time reverse of will reverse, the valve tappet 13 that both reversed moves with exhaust valve rocking arm 11 with counter-rotating valve actuating push rod 14; When diesel engine reverses, counter-rotating exhaust cam 11 rotates with camshaft, bolt 15 is adjusted in valve tappet 13 and counter-rotating valve actuating push rod 14 valve clearance of pushing to reverse of just reversing, its protruding operation point, the counter-rotating valve clearance is adjusted bolt 15 and is driven exhaust valve rocking arm 11 exhaust valve is opened, and the degree that its degree of opening is opened than venting gas appliance is big.At this moment, be provided with spring 53 between the sliding sleeve 51 of exhaust valve tappet 5 and the valve tappet body 52 and push sliding sleeve 51 and exhaust valve push rod 7 to exhaust valve gap adjustment bolt 9, be unlikely to make exhaust valve push rod 7 to be adjusted the bolt 9 and come off, avoid diesel engine cisco unity malfunction next time from the exhaust valve gap.
Certainly, the protruding operation point of counter-rotating exhaust cam 11 can be designed to 2,3 or 4, and its work effect can be better, but manufacture cost is higher.
Claims (4)
1. the single cylinder engine anti-reverse mechanism comprises cam shaft for diesel engine (1), and diesel engine intake device and venting gas appliance by camshaft (1) control is characterized in that: also be provided with the counter-rotating venting gas appliance that can open exhaust valve when diesel engine reverses on the described diesel engine.
2. single cylinder engine anti-reverse mechanism as claimed in claim 1, it is characterized in that: described diesel exhaust comprises the cam (3) of the control exhaust valve switching of being located on the camshaft (1), exhaust valve tappet (5) by cam (3) promotion, exhaust valve push rod (7) by exhaust valve tappet (5) promotion, adjust bolt (9) by the exhaust valve gap that exhaust valve push rod (7) promotes, the end that bolt (9) is fixed in exhaust valve rocking arm (11) is adjusted in the exhaust valve gap, the other end of exhaust valve rocking arm (11) is for promoting the part that exhaust valve opens and closes, exhaust valve tappet (5) comprises the sliding sleeve (51) of pegging graft with exhaust valve push rod (7), sliding sleeve (51) is socketed on the exhaust valve tappet body (52), is provided with spring (53) between sliding sleeve (51) and the exhaust valve tappet body (52); Counter-rotating exhaust cam (11) also is installed on the described camshaft (1), counter-rotating exhaust cam (11) has a protruding operation point at least, can make the one-way clutch of counter-rotating exhaust cam (11) when being provided with the camshaft counter-rotating between counter-rotating exhaust cam (11) and the camshaft (1), also be provided with one and prevent to reverse when camshaft from just changeing exhaust cam (11) with the spline pawl (12) that changes with camshaft (1) rotation; Counter-rotating valve tappet (13) by counter-rotating exhaust cam (11) promotion, counter-rotating valve actuating push rod (14) by counter-rotating valve tappet (13) promotion, counter-rotating valve tappet (13) is hinged with counter-rotating valve actuating push rod (14), described exhaust valve rocking arm (11) is installed the valve clearance and is adjusted bolt end and also be provided with a counter-rotating valve clearance that is promoted by counter-rotating valve actuating push rod (14) and adjust bolt (15), is provided with between counter-rotating valve actuating push rod (14) and the diesel-engine body (16) counter-rotating valve actuating push rod (14) push to the to reverse spring (17) of valve clearance adjustment bolt (15).
3. single cylinder engine anti-reverse mechanism as claimed in claim 2, it is characterized in that: the described counter-rotating exhaust cam (11) that makes comprises roller (11a) with the one-way clutch of camshaft (1) rotation, the part of the inner end of disjoint roller chute of center line and camshaft (1) (11b) and roller chute (11b) is deep in the camshaft hole of counter-rotating exhaust cam (11), promotes roller (11a) and presses to camshaft (1) and be located at the interior spring (11c) of roller chute (11b).
4. as claim 2 or 3 described single cylinder engine anti-reverse mechanisms, it is characterized in that: described counter-rotating exhaust cam (11) is provided with two to four protruding operation points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420039055 CN2692365Y (en) | 2004-03-08 | 2004-03-08 | Single cylinder antiback running device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420039055 CN2692365Y (en) | 2004-03-08 | 2004-03-08 | Single cylinder antiback running device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2692365Y true CN2692365Y (en) | 2005-04-13 |
Family
ID=34773774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420039055 Expired - Fee Related CN2692365Y (en) | 2004-03-08 | 2004-03-08 | Single cylinder antiback running device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2692365Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100532825C (en) * | 2007-07-12 | 2009-08-26 | 陈万荣 | Single cylinder diesel engine handle starting-up protecting equipment |
-
2004
- 2004-03-08 CN CN 200420039055 patent/CN2692365Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100532825C (en) * | 2007-07-12 | 2009-08-26 | 陈万荣 | Single cylinder diesel engine handle starting-up protecting equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |