CN104131855B - A kind of two-cylinder diesel auxiliary starter reliever - Google Patents
A kind of two-cylinder diesel auxiliary starter reliever Download PDFInfo
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- CN104131855B CN104131855B CN201410341688.XA CN201410341688A CN104131855B CN 104131855 B CN104131855 B CN 104131855B CN 201410341688 A CN201410341688 A CN 201410341688A CN 104131855 B CN104131855 B CN 104131855B
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Abstract
The present invention relates to a kind of two-cylinder diesel auxiliary starter reliever, comprise decompression handle, time position torsion spring, decompression spindle, support set, valve rocking arm, valve weighshaft, decompression axle and valve rocker arm support etc. Valve rocker arm support is bolted to connection in cylinder head, and valve weighshaft is fixed in the axis hole of valve rocker arm support by bearing jackscrew, and the outstanding ear through hole of valve rocker arm support is set on decompression axle. Two threaded holes on decompression axle axle are equipped with decompression adjustment screw corresponding with longitudinal position of the first, the 3rd valve rocking arm respectively, and pass through nut locking. The termination of decompression adjustment screw is against the rear end of the first, the 3rd long-armed sphere contact of valve rocking arm accordingly. The decompression flat groove of shaft end head is connected with decompression spindle afterbody key. Present configuration is simple, only need to install depressed control device in cylinder cover hood additional, and rocker part increases a decompression axle and decompression adjustment screw.
Description
Technical field
The present invention relates to two-cylinder diesel auxiliary starting device, specifically a kind of two-cylinder diesel auxiliary starter reliever.
Background technology
Two cylinders that use at present, array, water-cooled, four-stroke, big cylinder-diameter diesel engine cause required power too high when starting because resistance is excessive, thus starting motor infringement is very serious. Especially, under running into extreme climate environment, as the phenomenon that diesel engine cannot start usually occur in north cold zone or area of low pressure, plateau, seriously have impact on the normal operation of diesel engine.
Summary of the invention
For the deficiency that above-mentioned current condition exists, the present invention provides a kind of two-cylinder diesel auxiliary starter reliever.
The object of the present invention is achieved by the following technical programs:
A kind of two-cylinder diesel auxiliary starter reliever, comprises decompression handle 1, time position torsion spring 2, decompression spindle 3, support set 4, spacing pin 5, Decompression Controlling plate 6, cylinder cover hood 7, decompression axle 8, valve rocker arm shaft support 10, valve weighshaft 11 and valve rocking arm 9.
Its center of valve rocking arm 9 is provided with axis hole, and its galianconism end is provided with threaded hole, and its long arm end is provided with sphere contact; Four valve rocking arm 9 axis holes are enclosed within valve weighshaft 11 successively, and its longitudinal arrangement spacing is corresponding with the inlet valve 17 longitudinal arrangement spacing in cylinder head 12. Valve weighshaft 11 two axial ends be fastened on by axle shelves circle arrange from left to right first, the outside of Four valve rocking arm 9. Across compression spring between second, third valve rocking arm 9. The sphere contact of valve rocking arm 9 long arm end is against corresponding inlet valve 17 afterbody, and the galianconism end of valve rocking arm 9 is provided with adjustment screw 15, and the termination of adjustment screw 15 is against valve push rod 16 termination;Decompression handle 1 is lath body, and its two ends is provided with through hole.
Decompression its termination of spindle 3 is provided with the shaft shoulder, and its waist is provided with pin-and-hole, and its afterbody is provided with flat key; One end of support set 4 engages trilateral flanged plate. Decompression Controlling plate 6 is triangular plate piece body, and its plate body center is provided with a butterfly-shaped hole, and the angle on two waist limits of butterfly-shaped hole is 50 ��. The outboard end of cylinder cover hood 7 engages trilateral flanged plate sleeve; Decompression axle 8 termination be provided with flat groove, and decompression axle 8 axle between across two threaded holes. Two threaded hole spacing dimensions on decompression axle 8 axle are equal to the spacing dimension of the 3rd valve rocking arm 9 with the first valve rocking arm 9 being arranged in cylinder head 12; Its center of valve rocker arm shaft support 10 is provided with axis hole, and the outstanding ear in its lower right is provided with through hole, and its side end is provided with and connects hole.
Cylinder cover hood 7 is arranged on the right side of Four valve rocking arm 9. Cylinder cover hood 7 flanged plate, support set 4 flanged plate hold Decompression Controlling plate 6 and are bolted on the outer flange plate face of cylinder cover hood 7. Decompression spindle 3 is set in support set 4, Decompression Controlling plate 6 butterfly-shaped hole, cylinder cover hood 7 sleeve from right to left successively, and the pin-and-hole shrink-fit of decompression spindle 3 waist connects spacing pin 5, and spacing pin 5 is arranged in Decompression Controlling plate 6 butterfly-shaped hole. Decompression spindle 3 termination is bonded on one end of decompression handle 1. By returning, position torsion spring 2 links together the cantilevered leg of decompression handle 1 with support set 4. Returning the waist of one end rhampotheca in decompression handle 1 cantilevered leg of position torsion spring 2, the other end returning position torsion spring 2 is hooked in the hole of support set 4 flanged plate. The afterbody of decompression spindle 3 stretches to inside cylinder cover hood 7.
Two pieces valve rocker arm shaft support 10 axis hole is set on valve weighshaft 11 successively, wherein one is arranged on the middle of first, second valve rocking arm 9, another part is arranged on the 3rd, the middle of Four valve rocking arm 9, and is bolted to connection in cylinder head 12. Valve weighshaft 11 is fixed in the axis hole of valve rocker arm shaft support 10 by bearing jackscrew. It is corresponding with cylinder cover hood 7 trilateral flanged plate bushing core that valve rocker arm shaft support 10 hangs ear through hole. Valve rocker arm shaft support 10 hangs ear through hole and is set on decompression axle 8. Two threaded holes on decompression axle 8 axle are equipped with decompression adjustment screw 13 corresponding with longitudinal position of the first, the 3rd valve rocking arm 9 respectively, and are locked by nut 14. The termination of decompression adjustment screw 13 is against the rear end of the long-armed sphere contact of valve rocking arm 9 accordingly. Decompression axle 8 to the 2nd, Four valve rocking arm 9 do not work. The flat groove in decompression axle 8 termination is connected with decompression spindle 3 afterbody key.
The technique effect of the present invention is embodied in following several aspects:
1. present configuration is simple, only need to install depressed control device in cylinder cover hood additional, and rocker part increases a decompression axle and decompression adjustment screw;
2. present invention improves ignition condition, inlet valve is partially opened by the mechanism of decompressor when starting, make cylinder and atmosphere, do not compress, thus resistance when reducing crank rotation, after having higher rotating speed to diesel engine, stop decompression, and supply fuel and diesel engine is caught fire, so the present invention starts under can being adapted to any extreme climate environment smoothly.
Accompanying drawing explanation
Fig. 1 is mechanism show of the present invention intention.
Fig. 2 be the D-D of Fig. 1 cut open figure.
Fig. 3 be the A-A of Fig. 1 cut open figure.
Fig. 4 be the B-B of Fig. 1 cut open figure.
Fig. 5 is the C direction view of Fig. 1.
Fig. 6 be Fig. 1 inlet valve open the E-E of state cut open figure.
Fig. 7 be the E-E of the closed state of Fig. 1 inlet valve cut open figure.
Sequence number in figure, 1 decompression handle, 2 times position torsion springs, 3 decompression spindles, 4 support sets, 5 spacing pins, 6 Decompression Controlling plates, 7 cylinder cover hood, 8 decompression axles, 9 valve rocking arms, 10 valve rocker arm shaft supports, 11 valve weighshafts, 12 cylinder head, 13 decompression adjustment screws, 14 nuts, 15 adjustment screw, 16 valve push rods, 17 inlet valves, 18 inlet valve seat rings.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the present invention is further described.
Embodiment
See Fig. 1. A kind of two-cylinder diesel auxiliary starter reliever, comprises decompression handle 1, time position torsion spring 2, decompression spindle 3, support set 4, spacing pin 5, Decompression Controlling plate 6, cylinder cover hood 7, decompression axle 8, valve rocker arm shaft support 10, valve weighshaft 11 and valve rocking arm 9.
See Fig. 6. Its center of valve rocking arm 9 is provided with axis hole, and its galianconism end is provided with threaded hole, and its long arm end is provided with sphere contact. See Fig. 1, four valve rocking arm 9 axis holes are set on valve weighshaft 11 successively, and its longitudinal arrangement spacing is corresponding with the inlet valve 17 longitudinal arrangement spacing in cylinder head 12. Valve weighshaft 11 two axial ends be fastened on by axle shelves circle arrange from left to right first, the outside of Four valve rocking arm 9. Across compression spring between second, third valve rocking arm 9. The sphere contact of valve rocking arm 9 long arm end is against corresponding inlet valve 17 afterbody, and the galianconism end of valve rocking arm 9 is provided with adjustment screw 15, and the termination of adjustment screw 15 is against valve push rod 16 termination.
See Fig. 5. Decompression handle 1 is lath body, and its two ends is provided with through hole.
See Fig. 1, Fig. 3. Decompression its termination of spindle 3 is provided with the shaft shoulder, and its waist is provided with pin-and-hole, and its afterbody is provided with flat key.
See Fig. 4. One end of support set 4 engages trilateral flanged plate. Decompression Controlling plate 6 is triangular plate piece body, and its plate body center is provided with a butterfly-shaped hole, and the angle on two waist limits of butterfly-shaped hole is 50 ��. The outboard end of cylinder cover hood 7 engages trilateral flanged plate sleeve.
See Fig. 1. Decompression axle 8 termination be provided with flat groove, and decompression axle 8 axle between across two threaded holes. Two threaded hole spacing dimensions on decompression axle 8 axle are equal to the spacing dimension of the 3rd valve rocking arm 9 with the first valve rocking arm 9 being arranged in cylinder head 12.
See Fig. 2. Its center of valve rocker arm shaft support 10 is provided with axis hole, and the outstanding ear in its lower right is provided with through hole, and its side end is provided with and connects hole.
See Fig. 1, Fig. 2. Cylinder cover hood 7 is arranged on the right side of Four valve rocking arm 9. Cylinder cover hood 7 flanged plate, support set 4 flanged plate hold Decompression Controlling plate 6 and are bolted on the outer flange plate face of cylinder cover hood 7. Decompression spindle 3 is set in support set 4, Decompression Controlling plate 6 butterfly-shaped hole, cylinder cover hood 7 sleeve from right to left successively, and the pin-and-hole shrink-fit of decompression spindle 3 waist connects spacing pin 5, and spacing pin 5 is arranged in Decompression Controlling plate 6 butterfly-shaped hole. Decompression spindle 3 termination is bonded on one end of decompression handle 1. By returning, position torsion spring 2 links together the cantilevered leg of decompression handle 1 with support set 4. Returning the waist of one end rhampotheca in decompression handle 1 cantilevered leg of position torsion spring 2, the other end returning position torsion spring 2 is hooked in the hole of support set 4 flanged plate. The afterbody of decompression spindle 3 stretches to inside cylinder cover hood 7.
Two pieces valve rocker arm shaft support 10 axis hole is set on valve weighshaft 11 successively, wherein one is arranged on the middle of first, second valve rocking arm 9, another part is arranged on the 3rd, the middle of Four valve rocking arm 9, and is bolted to connection in cylinder head 12.Valve weighshaft 11 is fixed in the axis hole of valve rocker arm shaft support 10 by bearing jackscrew. It is corresponding with cylinder cover hood 7 trilateral flanged plate bushing core that valve rocker arm shaft support 10 hangs ear through hole.
See Fig. 6, Fig. 7. Valve rocker arm shaft support 10 hangs ear through hole and is set on decompression axle 8. Two threaded holes on decompression axle 8 axle are equipped with decompression adjustment screw 13 corresponding with longitudinal position of the first, the 3rd valve rocking arm 9 respectively, and are locked by nut 14. The termination of decompression adjustment screw 13 is against the rear end of the long-armed sphere contact of valve rocking arm 9 accordingly. The flat groove in decompression axle 8 termination is connected with decompression spindle 3 afterbody key.
Principle of work of the present invention and working method:
See Fig. 2, valve rocker arm shaft support 10 is fixed in cylinder head 12, and valve weighshaft 11 is fixed in the axis hole of valve rocker arm shaft support 10 by bearing jackscrew, makes it can not rotate in valve rocker arm shaft support 10. Decompression spindle 3 is contained in the outstanding ear through hole of valve rocker arm shaft support 10, it is possible to rotate in hole. Decompression spindle 3 afterbody key connects decompression axle 8 termination, decompression axle 8 can be driven to implement to rotate (see Fig. 3) by driving torque. Spacing pin 5 is by the rotation angle (see Fig. 4) of two waist limit restriction decompression spindles 3 of Decompression Controlling plate 6 butterfly-shaped hole. Decompression bracing wire (not drawing in figure) is through in the aperture of decompression handle 1 cantilevered leg, drives decompression handle 1 to rotate within the scope of certain angle, and two limit position is see Fig. 5. Fig. 6 is the state of mechanism of decompressor IO Intake Valve Opens when working. Valve rocking arm 9 is fixed on valve weighshaft 11, rotates relative to valve weighshaft 11. Press lower valve rocking arm 9 by decompression adjustment screw 13 when decompression axle 8 rotates 50 �� thus open inlet valve 17 and reduce starting reactance. Fig. 7 is the closed state of inlet valve 17. After diesel engine high-speed rotation, unclamping decompression bracing wire, under the effect of torsion returning position torsion spring 2, make decompression handle 1, decompression spindle 3, decompression axle 8 together back rotation 50 ��, inlet valve 17 closes with inlet valve seat ring 18 under the effect of valve spring. Now, spray into diesel oil, diesel engine ignition start.
Embodiment:
See Fig. 1, pulling decompression bracing wire to drive decompression handle 1 to rotate, decompression spindle 3 and decompression handle 1 weld together, decompression spindle 3 concomitant rotation. Decompression spindle 3 afterbody key connects decompression axle 8 termination, drives decompression axle 8 to rotate. Decompression axle 8 rotates through the long arm end that lower valve rocking arm 9 pressed by decompression adjustment screw 13, thus opens inlet valve 17, makes cylinder and atmosphere, does not compress, reduce resistance during crank rotation, is convenient to start.
Return position torsion spring 2 makes decompression handle 1 go back to original position after starting terminates, and decompression spindle 3 is rotated in support set 4, and spacing pin 5 is by the rotation angle of two waist limits restriction decompression spindles 3 of Decompression Controlling plate 6 butterfly-shaped hole.
The axle 8 that reduces pressure in present configuration rotates through the long arm end that lower first, the 3rd valve rocking arm 9 pressed by decompression adjustment screw 13, and decompression axle 8 is to second, third Four valve rocking arm 9(and blast gate) do not work.
The inlet valve of present configuration should be advisable with open in usual, because when realizing decompression with blast gate, often makes charcoal cigarette suck in cylinder, causes the abrasion that cylinder is unnecessary.
Claims (3)
1. a two-cylinder diesel auxiliary starter reliever, comprises valve weighshaft (11) and valve rocking arm (9); Described its center of valve rocking arm (9) is provided with axis hole, and its galianconism end is provided with threaded hole, and its long arm end is provided with sphere contact; Four valve rocking arm (9) axis holes are set on valve weighshaft (11) successively, and its longitudinal arrangement spacing is corresponding with inlet valve (17) the longitudinal arrangement spacing in cylinder head (12);Described valve weighshaft (11) two axial ends be fastened on by axle shelves circle arrange from left to right first, the outside of Four valve rocking arm (9); Across compression spring between second, third valve rocking arm (9); The sphere contact of described valve rocking arm (9) long arm end is against corresponding inlet valve (17) afterbody, the galianconism end of valve rocking arm (9) is provided with adjustment screw (15), and the termination of adjustment screw (15) is against valve push rod (16) termination;
It is characterized in that: also comprise decompression handle (1), time position torsion spring (2), decompression spindle (3), support set (4), spacing pin (5), Decompression Controlling plate (6), cylinder cover hood (7), decompression axle (8) and valve rocker arm shaft support (10);
Described decompression handle (1) is lath body, and its two ends is provided with through hole; Described its termination of decompression spindle (3) is provided with the shaft shoulder, and its waist is provided with pin-and-hole, and its afterbody is provided with flat key; One end of described support set (4) engages trilateral flanged plate; Described Decompression Controlling plate (6) is triangular plate piece body, and its plate body center is provided with a butterfly-shaped hole; The outboard end of described cylinder cover hood (7) engages trilateral flanged plate sleeve; The termination of described decompression axle (8) is provided with flat groove, and decompression axle (8) axle between across two threaded holes; Described its center of valve rocker arm shaft support (10) is provided with axis hole, and the outstanding ear in its lower right is provided with through hole, and its side end is provided with and connects hole; Described cylinder cover hood (7) is arranged on the right side of Four valve rocking arm (9); Cylinder cover hood (7) flanged plate, support set (4) flanged plate hold Decompression Controlling plate (6) and are bolted on the outer flange plate face of cylinder cover hood (7); Described decompression spindle (3) is set in support set (4), Decompression Controlling plate (6) butterfly-shaped hole, cylinder cover hood (7) sleeve from right to left successively, the pin-and-hole shrink-fit of decompression spindle (3) waist connects spacing pin (5), and spacing pin (5) is arranged in Decompression Controlling plate (6) butterfly-shaped hole; Described decompression spindle (3) termination is bonded on one end of decompression handle (1); The cantilevered leg of described decompression handle (1) is passed through back position torsion spring (2) and is linked together with support set (4); One end rhampotheca of described time position torsion spring (2) is at the waist of decompression handle (1) cantilevered leg, and the other end returning position torsion spring (2) is hooked in the hole of support set (4) flanged plate; The afterbody of described decompression spindle (3) stretches to cylinder cover hood (7) inner side; Two pieces valve rocker arm shaft support (10) axis hole is set on valve weighshaft (11) successively, wherein one is arranged on the middle of first, second valve rocking arm (9), another part is arranged on the 3rd, the middle of Four valve rocking arm (9), and is bolted to connection in cylinder head (12); Described valve weighshaft (11) is fixed on by bearing jackscrew in the axis hole of valve rocker arm shaft support (10); The outstanding ear through hole of described valve rocker arm shaft support (10) is corresponding with cylinder cover hood (7) trilateral flanged plate bushing core;
The outstanding ear through hole of described valve rocker arm shaft support (10) is set in decompression axle (8); Two threaded holes on described decompression axle (8) axle are equipped with decompression adjustment screw (13) corresponding with longitudinal position of the first, the 3rd valve rocking arm (9) respectively, and by nut (14) locking; The termination of described decompression adjustment screw (13) is against the rear end of the sphere contact of valve rocking arm (9) long arm end accordingly; The flat groove in described decompression axle (8) termination is connected with the flat key of decompression spindle (3) afterbody.
2. a kind of two-cylinder diesel auxiliary starter reliever according to claim 1, it is characterised in that: on the axle of described decompression axle (8), the spacing dimension of two threaded holes at interval is equal to the spacing dimension of the 3rd valve rocking arm (9) with the first valve rocking arm (9) being arranged in cylinder head (12).
3. a kind of two-cylinder diesel auxiliary starter reliever according to claim 1, it is characterised in that: the angle on two waist limits of described Decompression Controlling plate (6) butterfly-shaped hole is 50 ��.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410341688.XA CN104131855B (en) | 2014-07-18 | 2014-07-18 | A kind of two-cylinder diesel auxiliary starter reliever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410341688.XA CN104131855B (en) | 2014-07-18 | 2014-07-18 | A kind of two-cylinder diesel auxiliary starter reliever |
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| Publication Number | Publication Date |
|---|---|
| CN104131855A CN104131855A (en) | 2014-11-05 |
| CN104131855B true CN104131855B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410341688.XA Active CN104131855B (en) | 2014-07-18 | 2014-07-18 | A kind of two-cylinder diesel auxiliary starter reliever |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2530044Y (en) * | 2002-02-08 | 2003-01-08 | 山东巨菱股份有限公司 | Decompression auto starter of horizontal single-cylinder I.C. engine |
| CN2830651Y (en) * | 2005-07-18 | 2006-10-25 | 重庆力帆实业（集团）有限公司 | Starting reducer of engine |
| CN201972757U (en) * | 2011-03-25 | 2011-09-14 | 莱恩（中国）动力有限公司 | Pressure reducer on vertical two-cylinder diesel engine |
| CN204024746U (en) * | 2014-07-18 | 2014-12-17 | 安徽全柴动力股份有限公司 | A kind of two-cylinder diesel auxiliary starter decompressor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH084514A (en) * | 1994-06-22 | 1996-01-09 | Unisia Jecs Corp | Valve system for internal combustion engine |
| EP1923546B1 (en) * | 2005-09-08 | 2012-06-06 | Honda Motor Co., Ltd. | Valve drive device for engine |
-
2014
- 2014-07-18 CN CN201410341688.XA patent/CN104131855B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2530044Y (en) * | 2002-02-08 | 2003-01-08 | 山东巨菱股份有限公司 | Decompression auto starter of horizontal single-cylinder I.C. engine |
| CN2830651Y (en) * | 2005-07-18 | 2006-10-25 | 重庆力帆实业（集团）有限公司 | Starting reducer of engine |
| CN201972757U (en) * | 2011-03-25 | 2011-09-14 | 莱恩（中国）动力有限公司 | Pressure reducer on vertical two-cylinder diesel engine |
| CN204024746U (en) * | 2014-07-18 | 2014-12-17 | 安徽全柴动力股份有限公司 | A kind of two-cylinder diesel auxiliary starter decompressor |
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| Publication number | Publication date |
|---|---|
| CN104131855A (en) | 2014-11-05 |
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