CN204436507U - The engine of tool decompressor - Google Patents
The engine of tool decompressor Download PDFInfo
- Publication number
- CN204436507U CN204436507U CN201520043637.9U CN201520043637U CN204436507U CN 204436507 U CN204436507 U CN 204436507U CN 201520043637 U CN201520043637 U CN 201520043637U CN 204436507 U CN204436507 U CN 204436507U
- Authority
- CN
- China
- Prior art keywords
- decompressor
- centrifugal
- engine
- tool
- camshaft
- 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
Links
Landscapes
- Valve Device For Special Equipments (AREA)
Abstract
The utility model, about a kind of engine of tool decompressor, comprising: a cylinder head, a bent axle, a camshaft and two decompressors.Wherein, cylinder head has a valve and a rocking arm; Camshaft and bent axle interlock, camshaft is mounted on cylinder head, and has two spring bearings; Two decompressors are mounted on camshaft, and between two spring bearings.Two decompressors act on rocking arm respectively makes it rotate, and impels valve to open a small lift respectively.Therefore, the utility model can reduce number of spare parts, reduce costs, and assembling is easier to, and reduces manpower and man-hour.
Description
Technical field
The utility model about a kind of engine of tool decompressor, espespecially a kind of engine being applicable to the tool decompressor of locomotive.
Background technique
In existing internal combustion engine, for solving after bent axle stops in cutting the engine, when next time starts, running into the problem that compression stroke need overcome larger startup impedance, develop so-called engine pressure-release device.
Refer to Fig. 1 and Fig. 2, it is respectively existing decompressor stereogram and exploded view." engine of tool decompressor " of prior art, its engine includes: cylinder head 20, bent axle (not shown) and two decompressors.Cylinder head 20 has an air intake valve, drain tap 37, intake rocker and an exhaust rocker arm 34; Two decompressors include one-way fashion decompressor 30 and a centrifugal decompressor 40.Wherein, when the bent axle reversion of engine, one-way fashion decompressor 30 acts on the exhaust rocker arm 34 of cylinder head 20, drain tap 37 is made to open one first small lift, and centrifugal decompressor 40 is below a specific rotation speeds of bent axle, also act on exhaust rocker arm 34, make drain tap 37 open one second small lift.Therefore, configure two decompressors, the energy that the starting drive that can reduce engine drives crankshaft rotating to consume simultaneously.
Wherein, one-way fashion decompressor 30 mainly includes camshaft 31, overrunning clutch 39, relief cam 32, yoke frame 35 and an elastic component 36.Overrunning clutch 39 is sheathed on the camshaft 31 of cylinder head 20, and relief cam 32 is fixedly arranged on the outer shroud side face of overrunning clutch 39, and elastic component 36 supports yoke frame 35 and exhaust rocker arm 34 respectively, and exhaust rocker arm 34 is arranged with a pitman arm shaft 33.When camshaft 31 rotates forward, overrunning clutch 39 can not be coupled and follow camshaft 31 and rotate, and engine can not produce any decompression.And when camshaft 31 reverses, rotation followed by overrunning clutch 39, impel relief cam 32 to follow rotation, promote yoke frame 35 and exhaust rocker arm 34 is rotated, and then impelling drain tap 37 to open one first small lift, therefore, reaching engine effect of easing stress.
Centrifugal decompressor 40 mainly includes camshaft 31, valve actuation cam 48, refining wheel 45, centrifugal-block 42, decompression axle 43, push rod 49, pivot post 41, holding flange 46, two spring bearing 471,472 and prestressing component 44.Wherein, valve actuation cam 48 is fixedly arranged on the camshaft 31 of cylinder head 20; Pivot post 41 is mounted on refining wheel 45, centrifugal-block 42 is hubbed on pivot post 41, decompression axle 43 is arranged in camshaft 31, push rod 49 slippage is in valve actuation cam 48, prestressing component 44 then supports centrifugal-block 42 and refining wheel 45 respectively, and holding flange 46 is press-fitted on camshaft 31, and refining wheel 45 is attached on holding flange 46, two spring bearings 471,472 are sheathed on camshaft 31.Therefore, when engine turns to more than specific rotation speeds, during the prestressing of centrifugal force suffered by centrifugal-block 42 higher than prestressing component 44, centrifugal-block 42 drives decompression axle 43 to rotate, impel push rod 49 slippage and be accommodated in valve actuation cam 48 completely, engine can not produce any decompression.Separately, engine speed lower than below specific rotation speeds time, during the prestressing of centrifugal force suffered by centrifugal-block 42 lower than prestressing component 44, push rod 49 protrudes from outside valve actuation cam 48, exhaust rocker arm 34 is swung, and then impels drain tap 37 to open one second small lift, produce decompression.
Above-mentioned one-way fashion decompressor 30 and centrifugal decompressor 40 are the Liang Ge mechanism of independent separate, be mounted on two different positions respectively, one-way fashion decompressor 30 is mounted on two spring bearings 471 on camshaft 31, between 472, the centrifugal-block 42 of centrifugal decompressor 40 is then mounted on outside refining wheel 45, push rod 49 slippage of centrifugal decompressor 40 is in valve actuation cam 48, and 48, valve actuation cam is fixedly arranged on camshaft 31.This kind of design elements is more, and cost is higher, and the vertical engineering of group is also more complicated, not very good, the space be still improved.
Model utility content
Main purpose of the present utility model ties up to the engine providing a kind of tool decompressor, can reduce number of spare parts, reduce costs, and because of number of spare parts minimizing, assembling is also easier to, therefore also can reduce manpower and man-hour.
For reaching above-mentioned purpose, the engine of tool decompressor of the present utility model includes: a cylinder head, a bent axle, a camshaft, a decompression flange body, an one-way fashion decompressor, a centrifugal decompressor, an ejector and an elastic component.Wherein, cylinder head has a valve and a rocking arm; Camshaft and bent axle interlock; Decompression flange body is fixedly arranged on camshaft; One-way fashion decompressor has an overrunning clutch and a relief cam, and overrunning clutch is sheathed on decompression flange body, and relief cam is fixedly arranged on the outer shroud side face of overrunning clutch; Centrifugal decompressor has a centrifugal-block and a prestressing component, and centrifugal-block is hubbed on decompression flange body, and prestressing component is contact centrifugal-block and decompression flange body respectively; Elastic component is contact ejector and rocking arm respectively.When bent axle reverses, interlock camshaft the overrunning clutch that is coupled rotate, its relief cam promotion ejector is made to act on a driven part of rocking arm, impel rocking arm to rotate and make the small lift of valve opening one first, and centrifugal-block is below a specific rotation speeds of bent axle, promote the driven part that ejector acts on rocking arm, impel rocking arm to rotate and make the small lift of valve opening one second.
The start distance of above-mentioned second small lift is the start distance lower than the first small lift.And camshaft can more be installed with two spring bearings, one-way fashion decompressor and centrifugal decompressor are between this two spring bearing.
Above-mentioned ejector more can include a blocked part and one first working part, and relief cam can more include a retainer, when this bent axle reverses, relief cam ejection first working part, its ejector is rotated, when this bent axle rotates forward, the retainer of relief cam is then resisted against the blocked part of ejector, and now one-way fashion decompressor does not have decompression.
Above-mentioned centrifugal-block can have more a relief portion, and ejector can have more one second working part, and the relief portion of this centrifugal-block can ejection second working part, and impel ejector to drive the driven part of rocking arm, now centrifugal decompressor has decompression.
Above-mentioned decompression flange body can have more two locating faces, and the relief portion of centrifugal-block is movable between two locating faces of decompression flange.In addition, reduce pressure flange body in camshaft axially can between overrunning clutch and centrifugal-block.
The utility model additionally provides the engine of another kind of a kind of tool decompressor, comprising: a cylinder head, comprises a valve and a rocking arm; One bent axle; One camshaft, with this bent axle interlock, is mounted on this cylinder head, comprises two spring bearings; And two decompressors, be mounted on this camshaft, and between this two spring bearing; Wherein, this two decompressor acts on this rocking arm respectively makes it rotate, and impels this valve to open a small lift respectively.
Accompanying drawing explanation
The stereogram of the existing decompressor of Fig. 1 system.
The exploded view of the existing decompressor of Fig. 2 system.
The engine sectional view of Fig. 3 system the utility model one preferred embodiment.
The decompressor partial perspective cross-sectional figure of Fig. 4 system the utility model one preferred embodiment.
The decompressor exploded view of Fig. 5 system the utility model one preferred embodiment.
Another exploded view of decompressor of Fig. 6 system the utility model one preferred embodiment.
The one-way fashion decompressor of Fig. 7 system the utility model one preferred embodiment does not reduce pressure schematic diagram.
The one-way fashion decompressor of Fig. 8 system the utility model one preferred embodiment has decompression schematic diagram.
The centrifugal decompressor of Fig. 9 system the utility model one preferred embodiment does not reduce pressure schematic diagram.
The centrifugal decompressor of Figure 10 system the utility model one preferred embodiment has decompression schematic diagram.
[symbol description]
10 bent axle 11 pto＝power take-offs
13 starting drive 15 drive transmission devices
18 cylinder head 181 valves
182 rocking arm 183 driven part
19 cylinder-head cover 20 cylinder heads
30 one-way fashion decompressor 31 camshafts
32 relief cam 33 pitman arm shafts
34 exhaust rocker arm 35 yoke frames
36 elastic component 37 drain taps
39 overrunning clutch 40 centrifugal decompressors
41 pivot post 42 centrifugal-blocks
43 decompression axle 44 prestressing components
45 refining wheel 46 holding flanges
471 spring bearing 472 spring bearings
48 valve actuation cam 49 push rods
50 camshaft 51 spring bearings
52 spring bearing 53 valve actuation cams
54 holding flanges 55 refine wheel
61 decompression flange body 611 locating faces
612 locating face 62 overrunning clutchs
63 relief cam 631 retainers
65 ejector 651 blocked parts
652 second working part 653 first working part
66 elastic component 67 pitman arm shafts
71 centrifugal-block 711 relief portion
712 running shaft 713 locating faces
714 locating face 72 prestressing components
Embodiment
Understand for the ease of persons skilled in the art and realize the utility model, now describing embodiment of the present utility model by reference to the accompanying drawings.
Refer to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, it is respectively the exploded view of the engine sectional view of the utility model one preferred embodiment, decompressor partial perspective cross-sectional figure and decompressor different visual angles.The engine of the tool decompressor of the present embodiment includes: cylinder head 18, bent axle 10, starting drive 13, camshaft 50 and two decompressors.Wherein, cylinder head 18 has valve 181 and a rocking arm 182; Camshaft 50 and bent axle 10 interlock, and be mounted on cylinder head 18, camshaft 50 also has two spring bearings 51,52; Two decompressors are mounted on camshaft 50, and are positioned at two spring bearings 51, between 52.Two decompressors include an one-way fashion decompressor and a centrifugal decompressor, and this two decompressor acts on rocking arm 182 respectively makes it rotate, and impels valve 181 to open a small lift respectively.
As shown in Figure 5, in details of the words, in the present embodiment, above cylinder head 18, be covered with a cylinder-head cover 19, and camshaft 50 be installed with two spring bearings 51,52, decompression flange body 61, valve actuation cam 53, holding flange 54 and refining wheels 55.Wherein, one-way fashion decompressor and centrifugal decompressor are positioned at two spring bearings 51 on camshaft 50, between 52, and between valve actuation cam 53 and spring bearing 51.One-way fashion decompressor includes overrunning clutch 62 and a relief cam 63, and overrunning clutch 62 is sheathed on decompression flange body 61, and relief cam 63 is fixedly arranged on the outer shroud side face of overrunning clutch 62, and relief cam 63 has a retainer 631.Separately, centrifugal decompressor includes centrifugal-block 71 and a prestressing component 72, centrifugal-block 71 is hubbed on decompression flange body 61, centrifugal-block 71 has a relief portion 711, prestressing component 72 is contact centrifugal-block 71 and decompression flange body 61 respectively, this prestressing component 72 can, in order to control centrifugal-block 71 below a specific rotation speeds, make centrifugal decompressor be in decompression position.In addition, decompression flange body 61 has two locating faces 611,612, and the relief portion 711 of centrifugal-block 71 is active in this two locating face 611, between 612 according to angle of swing.
As shown in Figure 6, the C-shaped shape of centrifugal-block 71 of centrifugal decompressor, comprise tool two locating face 713, the relief portion 711 of 714 and a running shaft 712, this running shaft 712 is be combined as centrifugal-block 71 to rotate use with decompression flange body 61, two locating faces 713 of this relief portion 711 again, 714 is two locating faces 611 with decompression flange body 61,612 is mutually corresponding, in order to the angle that contained centrifugal-block 71 is thrown away and closed, and below a specific rotation speeds, relief portion 711 (time namely in closed condition) can promote rocking arm 182 with Open valve 181, has decompression; But time more than this specific rotation speeds, relief portion 711 cannot promote rocking arm 182, and without decompression.
In addition; rocking arm 182 is sheathed on a pitman arm shaft 67; on pitman arm shaft 67, group is provided with an ejector 65, and ejector 65 is formed with a blocked part 651 in one end, in order to when bent axle 10 rotates forward (when there is no decompression) can with the retainer 631 of relief cam 63 mutually against.Separately, the root edge of ejector 65 in blocked part 651 is also formed with one first working part 653, and in order to when bent axle 10 reverses (when having decompression), relief cam 63 can promote this first working part 653, and then rocking arm 182 is rotated.Again, ejector 65 has a boss post in the side of this blocked part 651 and forms one second working part 652, in order to when bent axle 10 rotating speed is lower than (when having decompression) during a specific rotation speeds, the relief portion 711 of centrifugal-block 71 can promote this second working part 652, and then rocking arm 182 is rotated.In the present embodiment, decompression flange body 61 in camshaft 50 axially, is between overrunning clutch 62 and centrifugal-block 71.
In addition, pitman arm shaft 67 is arranged with an elastic component 66, elastic component 66 is contact ejector 65 and rocking arm 182 respectively, to provide a prestressing.Rocking arm 182 has a driven part 183, in order to provide ejector 65 to promote this driven part 183, and then rocking arm 182 is rotated.
In the present embodiment, starting drive 13 can be a startup and to hold concurrently electricity generating device (Integrated Starter andGenerator, be called for short ISG), starting drive 13 is be mounted on the side with bent axle 10, another side of bent axle 10 be pto＝power take-off 11 then group establish a drive transmission device 15.
The one-way fashion decompressor referring to the utility model one preferred embodiment of Fig. 7 system does not reduce pressure schematic diagram, and sees also Fig. 5 and Fig. 6.One-way fashion decompressor is when bent axle 10 rotates forward, and the blocked part 651 of ejector 65 is the retainer 631 being resisted against relief cam 63, and the driven part 183 of rocking arm 182 is not promoted by ejector 65, does not now have decompression.
The one-way fashion decompressor referring to the utility model one preferred embodiment of Fig. 8 system has decompression schematic diagram, and sees also Fig. 5 and Fig. 6.One-way fashion decompressor is when bent axle 10 reverses, the retainer 631 of relief cam 63 departs from the blocked part 651 of ejector 65, therefore relief cam 63 can promote the first working part 653 of ejector 65, the driven part 183 of ejector 65 and then promotion rocking arm 182, rocking arm 182 is impelled to rotate, make valve 181 open one first small lift, impel first compression stroke of engine when next time starts to have decompression.
The centrifugal decompressor referring to the utility model one preferred embodiment of Fig. 9 system does not reduce pressure schematic diagram, and sees also Fig. 5 and Fig. 6.Centrifugal decompressor is when bent axle 10 rotating speed is higher than a specific rotation speeds, centrifugal-block 71 is throw state away, therefore the locating face 612 of the locating face 714 of the relief portion 711 of centrifugal-block 71 and decompression flange body 61 mutually against, the relief portion 711 of centrifugal-block 71 does not promote the second working part 652 of ejector 65; rocking arm 182 does not rotate, and does not now have decompression.
The centrifugal decompressor referring to the utility model one preferred embodiment of Figure 10 system has decompression schematic diagram, and sees also Fig. 5 and Fig. 6.The centrifugal-block 71 of centrifugal decompressor is when bent axle 10 rotating speed is lower than a specific rotation speeds, centrifugal-block 71 is closed condition, the locating face 713 of the relief portion 711 of centrifugal-block 71 and the locating face 611 of decompression flange body 61 mutually against, the relief portion 711 of centrifugal-block 71 can promote the second working part 652 of this ejector 65, and then act on the driven part 183 of rocking arm 182, impel this rocking arm 182 to rotate, make valve 181 open one second small lift, now have decompression.
In the present embodiment, one-way fashion decompressor and centrifugal decompressor all act on the rocking arm 182 of the exhaust side of cylinder head 18, one-way fashion decompressor impels the valve 181 of exhaust side to open one first small lift, and centrifugal decompressor impels the valve 181 of exhaust side to open one second small lift, for the complete effect of easing stress making one-way fashion decompressor play the first compression stroke, in design, first small lift of one-way fashion decompressor is higher than the second small lift of centrifugal decompressor, and above-mentioned two decompressors can't promote ejector 65 simultaneously.
The one-way fashion decompressor of the present embodiment provides starting drive 13 to rotate with dynamic crankshaft 10 first time compression stroke complete decompression, the relief cam 63 of one-way fashion decompressor rotates and lose pressure-reducing function to position location subsequently, the decompression of the compression stroke that second time is later changes to be provided by the centrifugal device that subtracts, until engine start runs well to a specific rotation speeds, centrifugal decompressor just loses decompression.That is, the decompression of first time compression stroke done by one-way fashion decompressor, and the decompression that compression stroke is later for the second time is only provided by centrifugal decompressor, therefore the starting torque demand that provides required for starting drive 13 can be made lower, thus can reduce starting drive 13 and rotate the energy consumed with dynamic crankshaft 10.
Therefore, the engine of the tool decompressor of the present embodiment, can reduce number of spare parts, reduce costs, and because of number of spare parts minimizing, assembling is also easier to, therefore also can reduce manpower and man-hour.
Although depict the utility model by embodiment, but those of ordinary skill in the art know, when not departing from spirit of the present utility model and essence, the utility model just can be made to have many distortion and change, and scope of the present utility model is limited to the appended claims.
Claims (11)
1. an engine for tool decompressor, is characterized in that, comprising:
One cylinder head, includes a valve and a rocking arm;
One bent axle;
One camshaft, with this bent axle interlock;
One decompression flange body, is fixedly arranged on this camshaft;
One one-way fashion decompressor, comprises an overrunning clutch and a relief cam, and this overrunning clutch is sheathed on this decompression flange body, and this relief cam is fixedly arranged on the outer shroud side face of this overrunning clutch;
One centrifugal decompressor, comprises a centrifugal-block and a prestressing component, and this centrifugal-block is hubbed on this decompression flange body, and this prestressing component is this centrifugal-block of contact and this decompression flange body respectively;
One ejector; And
One elastic component, this ejector of contact;
Wherein, during the reversion of this bent axle, this relief cam promotes the driven part that this ejector acts on this rocking arm, impel this rocking arm to rotate and make the small lift of this valve opening one first, and this centrifugal-block is below a specific rotation speeds of this bent axle, promote this ejector and act on this driven part, impel this rocking arm to rotate and make the small lift of this valve opening one second.
2. the engine of tool decompressor as claimed in claim 1, it is characterized in that, this second small lift is lower than this first small lift.
3. the engine of tool decompressor as claimed in claim 1, it is characterized in that, this camshaft is also provided with two spring bearings, and this one-way fashion decompressor and this centrifugal decompressor are between this two spring bearing.
4. the engine of tool decompressor as claimed in claim 1, it is characterized in that, this camshaft is also provided with a spring bearing and a valve actuation cam, and this one-way fashion decompressor and this centrifugal decompressor are between this spring bearing and this valve actuation cam.
5. the engine of tool decompressor as claimed in claim 1, it is characterized in that, this ejector also comprises a blocked part, and this relief cam also comprises a retainer, and when this bent axle rotates forward, this retainer is resisted against this blocked part.
6. the engine of tool decompressor as claimed in claim 1, it is characterized in that, this centrifugal-block also has a relief portion, and this ejector also comprises a working part, and this this working part of relief portion ejection, impels this ejector to drive this driven part.
7. the engine of tool decompressor as claimed in claim 6, it is characterized in that, this decompression flange body also comprises two locating faces, and this relief portion is active between this two locating face.
8. the engine of tool decompressor as claimed in claim 1, it is characterized in that, in this camshaft axially, this decompression flange body is between this overrunning clutch and this centrifugal-block.
9. an engine for tool decompressor, is characterized in that, comprising:
One cylinder head, comprises a valve and a rocking arm;
One bent axle;
One camshaft, with this bent axle interlock, is mounted on this cylinder head, comprises two spring bearings; And
Two decompressors, are mounted on this camshaft, and between this two spring bearing; Wherein, this two decompressor acts on this rocking arm respectively makes it rotate, and impels this valve to open a small lift respectively.
10. the engine of tool decompressor as claimed in claim 9, it is characterized in that, this two decompressor comprises an one-way fashion decompressor and a centrifugal decompressor, this one-way fashion decompressor acts on this rocking arm, make the small lift of this valve opening one first, and this centrifugal decompressor acts on this rocking arm below a specific rotation speeds of this bent axle, make the small lift of this valve opening one second.
The engine of 11. tool decompressors as claimed in claim 10, is characterized in that, this second small lift is lower than this first small lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520043637.9U CN204436507U (en) | 2015-01-22 | 2015-01-22 | The engine of tool decompressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520043637.9U CN204436507U (en) | 2015-01-22 | 2015-01-22 | The engine of tool decompressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204436507U true CN204436507U (en) | 2015-07-01 |
Family
ID=53604385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520043637.9U Expired - Fee Related CN204436507U (en) | 2015-01-22 | 2015-01-22 | The engine of tool decompressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204436507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023161950A1 (en) * | 2022-02-28 | 2023-08-31 | Tvs Motor Company Limited | Camshaft assembly for an internal combustion engine and the internal combustion engine thereof |
-
2015
- 2015-01-22 CN CN201520043637.9U patent/CN204436507U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023161950A1 (en) * | 2022-02-28 | 2023-08-31 | Tvs Motor Company Limited | Camshaft assembly for an internal combustion engine and the internal combustion engine thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1279798A3 (en) | Reciprocating internal combustion engine | |
| CN204436507U (en) | The engine of tool decompressor | |
| CN202832682U (en) | Diesel engine cam shaft | |
| CN204098982U (en) | Tool starts the engine controlled | |
| CA2466613A1 (en) | Decompression device for internal combustion engine | |
| CN204098983U (en) | The engine of tool decompressor | |
| CN201810360U (en) | Continuously variable valve actuating device for engine | |
| CN205089386U (en) | Valve timing mechanism of motorcycle engine | |
| CN101806233A (en) | Camshaft pressure reducing mechanism of internal-combustion engine | |
| CN102777228B (en) | Engine starting cam shaft assembly | |
| CN202360168U (en) | Pressure reducing mechanism of cam shaft | |
| CN108150238A (en) | Convex-concave wheel rotor twin-tub four-stroke engine | |
| CN202300565U (en) | Pressure reducing valve for camshaft | |
| CN205089387U (en) | Valve timing mechanism of motorcycle engine | |
| CN101963077A (en) | Engine continuously-variable valve driving device | |
| CN204186439U (en) | A kind of camshaft of built-in decompressor | |
| CN202023672U (en) | Motorcycle engine | |
| CN203130252U (en) | Energy-saving motor vehicle engine connecting rod mechanism | |
| CN107109976B (en) | Camshaft with decompressor | |
| CN205089396U (en) | Valve timing mechanism of motorcycle engine | |
| CN205101058U (en) | Valve timing mechanism of motorcycle engine | |
| CN201751542U (en) | Pressure reducing mechanism of camshaft of internal combustion engine | |
| CN201246202Y (en) | Engine cam decompression mechanism | |
| CN202065024U (en) | Valve gear of engine | |
| CN105221196A (en) | A kind of air distributing mechanism of engine for motorcycle |
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: 20150701 Termination date: 20210122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |