CN203285503U - Air valve distributing mechanism, air cylinder head and engine - Google Patents
Air valve distributing mechanism, air cylinder head and engine Download PDFInfo
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- CN203285503U CN203285503U CN2013203313634U CN201320331363U CN203285503U CN 203285503 U CN203285503 U CN 203285503U CN 2013203313634 U CN2013203313634 U CN 2013203313634U CN 201320331363 U CN201320331363 U CN 201320331363U CN 203285503 U CN203285503 U CN 203285503U
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- cylinder head
- valve
- driving mechanism
- air
- exhaust valve
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an air valve distributing mechanism, an air cylinder head and an engine. The air valve distributing mechanism comprises intake valves, an intake valve driving mechanism, exhaust valves and an exhaust valve driving mechanism. The intake valve driving mechanism is connected with the intake valves to drive the intake valves to be opened and closed, and the exhaust valve driving mechanism is connected with the exhaust valves to drive the exhaust valves to be opened and closed. The air valve distributing mechanism is arranged in the air cylinder head, the intake valves and the exhaust valves are located on the two sides of the central axis of the air cylinder head, the intake valve driving mechanism is located on one side of the intake valves far away from the central axis of the air cylinder head, and the exhaust valve driving mechanism is located on one side of the exhaust valves far away from the central axis of the air cylinder head. The air cylinder head comprises the air valve distributing mechanism, and the engine comprises the air cylinder head. According to the air valve distributing mechanism, the air cylinder head and the engine, the valve driving mechanisms of the air intake side and the air exhaust side are arranged on the outer side of the air intake valves and the outer side of the air exhaust valves respectively, mounting positions for sand removal holes, sparking plugs and cooling water channels around the sparking plugs are reserved, and the arrangement of the sand removal holes, the sparking plugs and the cooling water channels around the sparking plugs is convenient.
Description
Technical field
The utility model relates to technical field of engines, espespecially a kind of valve distribution mechanism, cylinder head and motor.
Background technique
Be furnished with valve distribution mechanism in the cylinder head of motor.In the middle of engine valve actuating mechanism, the layout of distribution device component should be considered and guarantee that each cylinder ventilation is good, charging efficiency is high as far as possible, be convenient to promote the exploitation performance of motor, also will consider the integral arrangement of each parts in compactedness that the space of cylinder cap and distribution device is arranged and cylinder head.
In existing valve distribution mechanism, air inlet is sidewindered sub-rocking arm and hydraulic tappet is arranged in cylinder head inboard (position between cylinder head medial axis and intake valve), exhaust side roller rocker arms and hydraulic tappet are arranged in the cylinder head outside (position between intake valve and cylinder head outer rim), also be furnished with other structure except being furnished with valve distribution mechanism in cylinder head,, as sand cleaning hole, spark plug, spark plug periphery cooling water channel etc., sub-rocking arm is sidewindered in air inlet and hydraulic tappet is arranged in the inboard layout that can affect sand cleaning hole, the peripheral cooling water channel of spark plug of cylinder head.
The model utility content
For the problem that prior art exists, the purpose of this utility model is to provide a kind of sand cleaning hole, spark plug valve distribution mechanism, cylinder head and motor of cooling water channel layout on every side be convenient to.
For achieving the above object, valve distribution mechanism of the present utility model, comprise intake valve, intake valve driving mechanism, exhaust valve and exhaust valve driving mechanism, it is entire that described intake valve driving mechanism and described intake valve engage to drive described IVO Inlet Valve Open, and described exhaust valve driving mechanism and described exhaust valve engage to drive described exhaust valve and open entire; Described valve distribution mechanism is arranged in cylinder head, and described intake valve and described exhaust valve are positioned at the both sides, medial axis of cylinder head, described intake valve driving mechanism is positioned at described intake valve one side away from described cylinder head medial axis, and described exhaust valve driving mechanism is positioned at described exhaust valve one side away from described cylinder head medial axis.
Further, the angle between described intake valve and described cylinder head medial axis is 14 °-22 °.
Further, the angle between described exhaust valve and described cylinder head medial axis is 14 °-22 °.
Further, described intake valve driving mechanism comprises the first roller rocker arms, the first hydraulic tappet, and described the first roller rocker arms one end is connected with described intake valve, and the described first roller rocker arms the other end is connected with described the first hydraulic tappet.
Further, described exhaust valve driving mechanism comprises the second roller rocker arms, the second hydraulic tappet, and described the second roller rocker arms one end is connected with described exhaust valve, and the described second roller rocker arms the other end is connected with described the second hydraulic tappet.
A kind of cylinder head, comprise spark plug, spark plug cooling water channel and above-mentioned valve distribution mechanism, and described spark plug and spark plug cooling water channel are arranged at the installation position between described intake valve and described exhaust valve.
A kind of motor, comprise above-mentioned cylinder head.
The utility model is arranged in the outside of intake valve and the outside of exhaust valve with the valve actuating mechanism of air inlet side and the side of giving vent to anger, for sand cleaning hole, spark plug and spark plug periphery cooling water channel reserve mounting point, be convenient to the layout of sand cleaning hole, spark plug and spark plug periphery cooling water channel, simplify the design of cylinder head, guarantee yield rate, reduce production costs.
Description of drawings
The cross-sectional view of a kind of cylinder head that Fig. 1 provides for the utility model embodiment.
Primary component description of symbols in figure:
1. cylinder head 11. exhaust valve 21. intake valve 123. exhaust cam shaft 223. admission cam shafts
121. sub-rocking arm is sidewindered in 122. exhaust side hydraulic tappet 221. air inlets of exhaust side roller rocker arms
222. air inlet side hydraulic tappet
Embodiment
, for technical problem, technological scheme and advantage that embodiment of the present utility model will be solved is clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figure 1, valve distribution mechanism of the present utility model, comprise exhaust valve 11, exhaust valve driving mechanism, intake valve 21 and intake valve driving mechanism, exhaust valve driving mechanism and exhaust valve 11 engage to drive exhaust valve 11 and open entirely, and exhaust valve driving mechanism and intake valve 21 engage to drive into valve 21 and open entire; Valve distribution mechanism is arranged in cylinder head 1, and exhaust valve 11 and intake valve 21 are positioned at the both sides, medial axis of cylinder head, the intake valve driving mechanism is positioned at exhaust valve 11 1 sides away from described cylinder head medial axis, and the exhaust valve driving mechanism is positioned at intake valve 21 1 sides away from described cylinder head medial axis.
Valve distribution mechanism is arranged in cylinder head according to above-mentioned position relationship, saved the space at place, cylinder head medial axis, owing to not arranging the component of any valve distribution mechanism at place, cylinder head medial axis, provide convenience so for the layout of sand cleaning hole, spark plug and spark plug cooling water channel, simplified the design of cylinder head.
In the present embodiment, the angle between exhaust valve 11 and cylinder head medial axis is preset as 17.5 ° and or intake valve 21 and described cylinder head medial axis between angle be preset as 17.5 °.Yet the angle between the angle between intake valve 21 and cylinder head medial axis and exhaust valve 11 and described cylinder head medial axis is not limited to this, can adjust arbitrarily this angle according to actual needs.
In the present embodiment, the exhaust valve driving mechanism comprises that the first roller rocker arms 121, the first hydraulic tappet 122, the first roller rocker arms 121 1 ends are connected with the valve stem of exhaust valve 11, and first roller rocker arms 121 the other ends are connected with the first hydraulic tappet 122.The first roller rocker arms 121 is equivalent to a lever that arranges between the valve stem of the first hydraulic tappet 122 and exhaust valve 11, the camshaft 123 that the roller place of roller rocker arms 121 arranges is to pressing down the first roller rocker arms 121, the first roller rocker arms 121 is downward pressure valve 11 take hydraulic tappet 122 as fulcrum, and then the exhaust valve 11 that driving is connected with the first roller rocker arms 121 is opened, when camshaft 123 is not exerted pressure to the first roller rocker arms 121, exhaust valve 11 promotes the first roller rocker arms 121 and is moved upwards up to initial position under the effect of its return spring, exhaust valve 11 closures.The first roller rocker arms 121 is equivalent at this lever of requiring great effort, and realizes obtaining larger valve stroke with less cam.
Similarly, in the present embodiment, the intake valve driving mechanism comprises that the second roller rocker arms 221, the second hydraulic tappet 222, the second roller rocker arms 221 1 ends are connected with the valve stem of intake valve 21, and second roller rocker arms 221 the other ends are connected with the second hydraulic tappet 222.The second roller rocker arms 121 is equivalent to a lever that arranges between the valve stem of the second hydraulic tappet 222 and intake valve 21, the camshaft 223 that the roller place of roller rocker arms 221 arranges is to pressing down the second roller rocker arms 221, the second roller rocker arms 221 is compressed into valve 21 downwards take hydraulic tappet 222 as fulcrum, and then the intake valve 21 that driving is connected with the second roller rocker arms 221 is opened, when camshaft 223 is not exerted pressure to the second roller rocker arms 221, intake valve 21 promotes the second roller rocker arms 221 and is moved upwards up to initial position under the effect of its return spring, intake valve 21 closures.The second roller rocker arms 221 is equivalent at this lever of requiring great effort, and realizes obtaining larger valve stroke with less cam.
In the present embodiment with air inlet side and the give vent to anger roller rocker arms of side and the outside that hydraulic tappet all has been arranged on valve, place, cylinder medial axis between the inlet and outlet door arranges that spark plug and spark plug cooling water channel are not affected by it can, makes the layout of spark plug and spark plug cooling water channel more simple, facilitates.
as shown in Figure 1, the utility model also provides a kind of cylinder head 1, comprise spark plug, spark plug cooling water channel (not shown) and above-mentioned valve distribution mechanism, the structure of above-mentioned valve distribution mechanism and position annexation are described in detail in front, just no longer repeat to introduce at this, the mounting hole of spark plug and sand cleaning hole are positioned at place, cylinder head medial axis, spark plug is arranged in the mounting hole of spark plug, the spark plug cooling water channel is arranged in the (not shown) on every side of spark plug mounting hole, if being arranged at this, the roller rocker arms of air inlet side and exhaust side and hydraulic tappet will affect the layout of spark plug and spark plug cooling water channel.For this reason, in cylinder head of the present utility model, roller rocker arms and hydraulic tappet are arranged in the outside of valve.
The utility model also provides a kind of motor that comprises above-mentioned cylinder head.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. valve distribution mechanism, comprise intake valve, intake valve driving mechanism, exhaust valve and exhaust valve driving mechanism, it is entire that described intake valve driving mechanism and described intake valve engage to drive described IVO Inlet Valve Open, and described exhaust valve driving mechanism and described exhaust valve engage to drive described exhaust valve and open entire; Described valve distribution mechanism is arranged in cylinder head, and described intake valve and described exhaust valve are positioned at the both sides, medial axis of cylinder head, it is characterized in that, described intake valve driving mechanism is positioned at described intake valve one side away from described cylinder head medial axis, and described exhaust valve driving mechanism is positioned at described exhaust valve one side away from described cylinder head medial axis.
2. valve distribution mechanism as claimed in claim 1, is characterized in that, the angle between described intake valve and described cylinder head medial axis is 14 °-22 °.
3. valve distribution mechanism as claimed in claim 1 or 2, is characterized in that, the angle between described exhaust valve and described cylinder head medial axis is 14 °-22 °.
4. valve distribution mechanism as claimed in claim 1, it is characterized in that, described intake valve driving mechanism comprises the first roller rocker arms, the first hydraulic tappet, and described the first roller rocker arms one end is connected with described intake valve, and the described first roller rocker arms the other end is connected with described the first hydraulic tappet.
5. valve distribution mechanism as described in claim 1 or 4, it is characterized in that, described exhaust valve driving mechanism comprises the second roller rocker arms, the second hydraulic tappet, and described the second roller rocker arms one end is connected with described exhaust valve, and the described second roller rocker arms the other end is connected with described the second hydraulic tappet.
6. a cylinder head, is characterized in that, comprises spark plug, spark plug cooling water channel and as the described valve distribution mechanism of claim 1-5 any one, described spark plug and spark plug cooling water channel are arranged at the installation position between described intake valve and described exhaust valve.
7. a motor, is characterized in that, comprises cylinder head as claimed in claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203313634U CN203285503U (en) | 2013-06-08 | 2013-06-08 | Air valve distributing mechanism, air cylinder head and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203313634U CN203285503U (en) | 2013-06-08 | 2013-06-08 | Air valve distributing mechanism, air cylinder head and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203285503U true CN203285503U (en) | 2013-11-13 |
Family
ID=49541872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203313634U Expired - Fee Related CN203285503U (en) | 2013-06-08 | 2013-06-08 | Air valve distributing mechanism, air cylinder head and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203285503U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564425A (en) * | 2014-12-26 | 2015-04-29 | 浙江捷天工贸有限公司 | Throttle and choke valve linkage structure for small gasoline engines |
| CN107794459A (en) * | 2015-05-18 | 2018-03-13 | 夏志清 | A kind of cylinder cover of automobile engine |
| CN107842436A (en) * | 2017-10-27 | 2018-03-27 | 广西玉柴机器股份有限公司 | Cylinder head |
-
2013
- 2013-06-08 CN CN2013203313634U patent/CN203285503U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564425A (en) * | 2014-12-26 | 2015-04-29 | 浙江捷天工贸有限公司 | Throttle and choke valve linkage structure for small gasoline engines |
| CN107794459A (en) * | 2015-05-18 | 2018-03-13 | 夏志清 | A kind of cylinder cover of automobile engine |
| CN107794459B (en) * | 2015-05-18 | 2019-05-24 | 南京市星淳机械有限公司 | A kind of cylinder cover of automobile engine |
| CN107842436A (en) * | 2017-10-27 | 2018-03-27 | 广西玉柴机器股份有限公司 | Cylinder head |
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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: 20131113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |