CN204961102U - Cylinder head cover , engine and vehicle - Google Patents
Cylinder head cover , engine and vehicle Download PDFInfo
- Publication number
- CN204961102U CN204961102U CN201520629718.7U CN201520629718U CN204961102U CN 204961102 U CN204961102 U CN 204961102U CN 201520629718 U CN201520629718 U CN 201520629718U CN 204961102 U CN204961102 U CN 204961102U
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- CN
- China
- Prior art keywords
- oil groove
- axle journal
- valve chamber
- chamber cover
- tappet
- 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.)
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- 239000000945 filler Substances 0.000 claims description 17
- 239000003921 oil Substances 0.000 abstract description 115
- 238000005461 lubrication Methods 0.000 abstract description 18
- 239000010687 lubricating oil Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 3
- 239000000314 lubricant Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000012938 design process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000006040 Prunus persica var persica Nutrition 0.000 description 1
- 240000006413 Prunus persica var. persica Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a cylinder head cover, engine and vehicle, wherein, tappet hole (12) that roller tappet (4) that cylinder head cover (1) has dead eye (11) that are used for the mounting cam axle and is used for supplying high -pressure oil pump were passed, dead eye (11) and tappet hole (12) intercommunication, the internal face of dead eye (11) include annularly and with tappet hole (12) next -door neighbour's axle journal installation region (13), wherein, be provided with lubrication groove (14) on axle journal installation region (13), the one end of this lubrication groove (14) extends to the juncture of axle journal installation region (13) and tappet hole (12). The engine includes cylinder head cover. The vehicle includes the engine. Through above -mentioned scheme, can infeed the lubricating oil pressure between roller tappet and the tappet driving cam.
Description
Technical field
The utility model relates to automotive engine applications, particularly, relates to a kind of valve chamber cover, also relates to a kind of motor of this valve chamber cover and have the vehicle of this motor of having.
Background technique
Have benefited from the lifting gradually of domestic oil product, high pressure fuel in-cylinder direct injection technology development and perfect.This technology can improve combustion efficiency, increases output power, reduces oil consumption.This technology be by high pressure oil pump by fuel oil direct cylinder injection body, realize combustion gas mixing in cylinder.The roller tappet of high pressure oil pump is generally driven by camshaft, because high pressure oil pump is high to timing events, the relative movement of the tappet driving cam therefore on roller tappet and camshaft just seems extremely important, and in-cylinder direct fuel-injection engine is generally all furnished with the complicated binding site of lubricating oil path to roller tappet and tappet driving cam and lubricates.
The position of high pressure oil pump is depended in the selection of lubricating system, and the position of high pressure oil pump is divided into mid-and rearmounted two kinds of modes.Usually adopt splash lubrication mode during the mid-layout of high pressure oil pump, produce mist of oil in valve chamber cover inside.During the rearmounted layout of high pressure oil pump, active lubrication is better than splash lubrication, and traditional active lubrication mode oil channel structures is complicated, and processing request is higher, and reliability is reduced, and workload is larger.If do not take lubricant method, the operating friction of high pressure oil pump roller tappet increases, and lowers efficiency, or causes its wear out failure.
Model utility content
The purpose of this utility model is to provide a kind of valve chamber cover, and this valve chamber cover, by oil duct design dexterously, can realize the pressure lubrication to roller tappet and tappet driving cam, can realize the hydrodynamic lubrication to camshaft simultaneously.
To achieve these goals, the utility model provides a kind of valve chamber cover, this valve chamber cover has the bearing hole for installing camshaft and the tappet hole for passing for the roller tappet of high pressure oil pump, described bearing hole is communicated with tappet hole, that the internal face of described bearing hole comprises annular and the axle journal mounting zone be close to described tappet hole, it is characterized in that, described axle journal mounting zone is provided with oil groove, and one end of this oil groove extends to the intersection of described axle journal mounting zone and tappet hole.
Preferably, described oil groove comprises the axle journal oil groove and axial oil groove that are interconnected, described axle journal oil groove extends along the circumferencial direction of described bearing hole, described axial oil groove to extend and one end extends to the intersection of described axle journal mounting zone and tappet hole along the axial direction of described bearing hole, and the filler opening of described oil groove is positioned on described axle journal oil groove.
Preferably, described filler opening is arranged near one end of described axle journal oil groove, and described axial oil groove is arranged near the other end of described axle journal oil groove.
Preferably, the section area of described axial oil groove is less than the section area of described axle journal oil groove.
Preferably, the section area of described axial oil groove is 80% to 95% of the section area of described axle journal oil groove.
Preferably, the central angle that described axle journal oil groove is corresponding is greater than 180 °.
Preferably, the cross section of described axle journal oil groove and axial oil groove is the rectangle that bottom is rounded down.
Preferably, the cover cap filler opening of described valve chamber cover is arranged on the bottom of described valve chamber cover, and the described filler opening of described oil groove is communicated with described cover cap filler opening by oil-feed oil duct.
The utility model also provides a kind of motor, comprises according to valve chamber cover of the present utility model.
The utility model also provides a kind of vehicle, and this vehicle comprises motor as above.
In valve chamber cover of the present utility model, by arranging oil groove on the axle journal mounting zone of valve chamber cover, on the one hand can the axle journal of camshaft lubrication, a part of lubricant oil can be forced to feed between roller tappet and tappet driving cam by this oil groove on the other hand, realize the continuous lubrication to this place's friction pair, improve reliability and the durability of engine operation.Further, the utility model does not need to arrange additional parts and realizes lubrication, by means of only the processing of valve chamber cover self, shortens design process, reduces cost.
Other feature and advantage of the present utility model are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is engaged in the sectional perspective schematic diagram valve chamber cover of the present utility model from an angle views, display roller tappet and tappet driving cam;
Fig. 2 is engaged in the sectional perspective schematic diagram valve chamber cover of the present utility model from another angle views, display tappet driving cam;
Fig. 3 is that schematic diagram is tiltedly cutd open in the local of valve chamber cover of the present utility model;
Fig. 4 is the schematic diagram of the oil groove that cyclinder head cover of the present utility model covers;
Fig. 5 is the schematic front view of the friction pair formed by roller tappet and tappet driving cam.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
As shown in Figure 1 to Figure 3, according to an aspect of the present utility model, a kind of valve chamber cover is provided, this valve chamber cover 1 has bearing hole 11 and tappet hole 12, to be communicated with bearing hole 11 on the internal face that tappet hole 12 is opened in bearing hole 11, that the internal face of bearing hole 11 comprises annular and the axle journal mounting zone 13 be close to tappet hole 12, an axle journal 3 (being such as the rear end journal of camshaft) of camshaft is arranged on axle journal mounting zone 13, the roller tappet 4 of high pressure oil pump passes tappet hole 12 to support on the tappet driving cam 2 of camshaft, wherein, axle journal mounting zone 13 is provided with oil groove 14, one end of this oil groove 14 extends to the intersection of axle journal mounting zone 13 and tappet hole 12, be ejected between roller tappet 4 and tappet driving cam 2 to enable lubricant oil.
In valve chamber cover of the present utility model, by arranging oil groove 14 on the axle journal mounting zone 13 of valve chamber cover 1, on the one hand can the axle journal 3 of camshaft lubrication, a part of lubricant oil can be forced to feed between roller tappet 4 and tappet driving cam 2 by this oil groove 14 on the other hand, realize the continuous lubrication to this place's friction pair, improve reliability and the durability of engine operation.Further, the utility model does not need to arrange additional parts and realizes lubrication, by means of only the processing of valve chamber cover self, shortens design process, reduces cost.
It should be noted that, axle journal mounting zone 13 arranges oil groove 14, the axle journal 3 that to closely cooperate with axle journal mounting zone 13 can be utilized to carry out Closed oil tank, ensure that lubricant oil can not be revealed, hydrodynamic lubrication can be carried out to axle journal 3 again.
The shape of the utility model to oil groove 14 does not limit, and just can lubricate axle journal 3 as long as it is formed on axle journal mounting zone 13.As a kind of mode of execution, oil groove 14 can be the spiral chute shape coaxial with bearing hole 11.
The conveniently processing of oil groove 14, as preferred implementation of the present utility model, as shown in Figure 3 and Figure 4, oil groove 14 comprises the axle journal oil groove 141 and axial oil groove 142 that are interconnected, axle journal oil groove 141 extends along the circumferencial direction of bearing hole 11, filler opening 143 is arranged on axle journal oil groove 141, and axial oil groove 142 extends along the axial direction of bearing hole 11, and one end of this axial oil groove 142 extends to the intersection of axle journal mounting zone 13 and tappet hole 12.In order to make lubricant oil just be ejected on friction pair, to reach best lubrication effect, the position of axial oil groove 142 should higher than the horizontal position of the friction pair formed by roller tappet 4 and tappet driving cam 2.Particularly, offering of axial oil groove 142 highly can a little more than the horizontal position 1-2mm of friction pair.Roller tappet 4 and tappet driving cam 2 are linear contact lay, and Line of contact is crossing with the line at roller centre and tappet driving cam 2 center, and namely the straight line passing roller centre and tappet driving cam 2 center in Fig. 5 represents the horizontal position of friction pair.
In above-mentioned preferred implementation, filler opening 143 can be positioned at the end of axle journal oil groove 141, also can be positioned at the middle part of axle journal oil groove 141; Similarly, axial oil groove 142 can be positioned at the end of axle journal oil groove 141 with the joint of axle journal oil groove 141, also the middle part of axle journal oil groove 141 can be positioned at, and axial oil groove 142 can be positioned at the end of axial oil groove 142 with the joint of axle journal oil groove 141, also can be positioned at the middle part of axial oil groove 142.
As a kind of mode of execution, as shown in Figure 3 and Figure 4, filler opening 143 is arranged on the position of the one end near axle journal oil groove 141, axial oil groove 142 is arranged on the position of the other end near axle journal oil groove 141, and axial oil groove 142 extends to the intersection of axle journal mounting zone 13 and tappet hole 12 from axle journal oil groove 141, that is, axial oil groove 142 crosses in its end and axle journal oil groove 141.
In above-mentioned preferred implementation, the central angle of axle journal oil groove 141 correspondence can be arbitrarily angled.In order to ensure that axle journal 3 fully can contact with lubricant oil, preferably, as shown in Figure 4, the central angle of axle journal oil groove 141 correspondence is greater than 180 °.
In above-mentioned preferred implementation, axle journal oil groove 141 is working connection, and axial oil groove 142 is a branch road of axle journal oil groove 141, and the lubricant oil part in axle journal oil groove 141 is for lubricating axle journal 3, and another part is used for being supplied in axial oil groove 142.In this case, in order to ensure that the fluid sprayed from axial oil groove 142 has certain jet velocity can fall the correct position friction pair, preferably, the section area of axial oil groove 141 is less than the section area of axle journal oil groove 141.
But the lubricant oil needed due to active lubrication mode is more, therefore the section area of axial oil groove 142 can not be too small.This is because section area is too small, then jet velocity is excessive, can cause adverse effect to lubrication, and section area is too small also can make lubricating oil atomization, may spray less than friction pair position.Consider, preferably, the section area of axial oil groove 142 is 80% to 95% of the section area of axle journal oil groove 141.
Axle journal oil groove 141 and axial oil groove 142 can have various suitable sectional shape respectively, such as rectangle, semicircle, half elliptic etc.When the sectional shape of axle journal oil groove 141 and axial oil groove 142 is rectangle, concentrate to reduce stress, preferably, the bottom of oil groove and sidepiece round-corner transition.
In the utility model, as shown in Figure 1, the cover cap filler opening 16 of valve chamber cover 1 is arranged on the bottom of valve chamber cover 1, and the filler opening 143 of oil groove 14 is communicated with cover cap filler opening 16 by oil-feed oil duct 15.Oil-feed oil duct 15 is communicated with the bottom of valve chamber cover 1 and the inside of bearing hole 11, and oil-feed oil duct 15 can be straight line oil duct.
In the utility model, as shown in Figure 1 and Figure 5, tappet driving cam 2 can be cubic peach shape.
According to another aspect of the present utility model, provide a kind of motor, comprise high pressure oil pump, camshaft and valve room cover cap, wherein, this valve chamber cover is valve chamber cover 1 of the present utility model.
The utility model improves mainly for the lubricating system of motor mesohigh oil pump roller tappet, but the utility model does not get rid of the setting of other appurtenances (such as, cylinder block, cylinder head, bent axle, oil pump etc.) of motor.When needs are combined with other parts above-mentioned, those skilled in the art with reference to all parts arranged in existing engine-cooling system, and can be combined in the utility model, as long as can realize goal of the invention of the present utility model.
Particularly, motor of the present utility model also comprises oil pump, cylinder block and head, cylinder head is arranged on the top of cylinder block, valve chamber cover 1 is arranged on the top of described cylinder head, cover cap filler opening 16 is communicated with the oil outlet of cylinder head, and machine oil, after oil pump pumps, first enters cylinder-body oil duct, then enter oil cylinder head way, finally enter cover cap oil duct.
According to one side more of the present utility model, provide a kind of vehicle, this vehicle comprises motor of the present utility model.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each the concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. a valve chamber cover, this valve chamber cover (1) has the bearing hole (11) for installing camshaft and the tappet hole (12) for passing for the roller tappet (4) of high pressure oil pump, described bearing hole (11) is communicated with tappet hole (12), that the internal face of described bearing hole (11) comprises annular and the axle journal mounting zone (13) be close to described tappet hole (12), it is characterized in that, described axle journal mounting zone (13) is provided with oil groove (14), one end of this oil groove (14) extends to the intersection of described axle journal mounting zone (13) and tappet hole (12).
2. valve chamber cover according to claim 1, it is characterized in that, described oil groove (14) comprises the axle journal oil groove (141) and axial oil groove (142) that are interconnected, described axle journal oil groove (141) extends along the circumferencial direction of described bearing hole (11), described axial oil groove (142) to extend and one end extends to the intersection of described axle journal mounting zone (13) and tappet hole (12) along the axial direction of described bearing hole (11), the filler opening (143) of described oil groove (14) is positioned on described axle journal oil groove (141).
3. valve chamber cover according to claim 2, it is characterized in that, described filler opening (143) is arranged near one end of described axle journal oil groove (141), and described axial oil groove (142) is arranged near the other end of described axle journal oil groove (141).
4. valve chamber cover according to claim 2, is characterized in that, the section area of described axial oil groove (142) is less than the section area of described axle journal oil groove (141).
5. valve chamber cover according to claim 4, is characterized in that, the section area of described axial oil groove (142) is 80% to 95% of the section area of described axle journal oil groove (141).
6. valve chamber cover according to claim 2, is characterized in that, the central angle of described axle journal oil groove (141) correspondence is greater than 180 °.
7. valve chamber cover according to claim 2, is characterized in that, the cross section of described axle journal oil groove (141) and axial oil groove (142) is the rectangle that bottom is rounded down.
8. valve chamber cover according to claim 2, it is characterized in that, the cover cap filler opening (16) of described valve chamber cover (1) is arranged on the bottom of described valve chamber cover (1), and the described filler opening (143) of described oil groove (14) is communicated with described cover cap filler opening (16) by oil-feed oil duct (15).
9. a motor, is characterized in that, this motor comprises valve chamber cover as claimed in any of claims 1 to 8.
10. a vehicle, is characterized in that, this vehicle comprises motor according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629718.7U CN204961102U (en) | 2015-08-19 | 2015-08-19 | Cylinder head cover , engine and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629718.7U CN204961102U (en) | 2015-08-19 | 2015-08-19 | Cylinder head cover , engine and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204961102U true CN204961102U (en) | 2016-01-13 |
Family
ID=55056173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520629718.7U Active CN204961102U (en) | 2015-08-19 | 2015-08-19 | Cylinder head cover , engine and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204961102U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013115A (en) * | 2022-06-09 | 2022-09-06 | 哈尔滨东安汽车动力股份有限公司 | High-pressure oil pump tappet roller cooling and lubricating structure |
-
2015
- 2015-08-19 CN CN201520629718.7U patent/CN204961102U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013115A (en) * | 2022-06-09 | 2022-09-06 | 哈尔滨东安汽车动力股份有限公司 | High-pressure oil pump tappet roller cooling and lubricating structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180517 Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing treasure Car Co.,Ltd. Address before: 102206, Beijing, Shahe Town, Changping District Road, sand Yang Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing baowo Automobile Co.,Ltd. Address before: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee before: Beijing treasure Car Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Valve cover, engine and vehicle Effective date of registration: 20211213 Granted publication date: 20160113 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Beijing baowo Automobile Co.,Ltd. Registration number: Y2021990001167 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230925 Granted publication date: 20160113 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Beijing baowo Automobile Co.,Ltd.|Borgward Automotive (China) Co., Ltd. Registration number: Y2021990001167 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231116 Address after: 102206, Beijing, Shahe, Changping District Town, Sha Yang Road, Lao Wan Village North Patentee after: BEIQI FOTON MOTOR Co.,Ltd. Address before: 101300 Shuanghe Street, Shunyi District, Beijing, 99 Patentee before: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Effective date of registration: 20231116 Address after: 101300 Shuanghe Street, Shunyi District, Beijing, 99 Patentee after: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Address before: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee before: Beijing baowo Automobile Co.,Ltd. |
|
| TR01 | Transfer of patent right |