CN208587237U - Engine camshaft bearing cover - Google Patents
Engine camshaft bearing cover Download PDFInfo
- Publication number
- CN208587237U CN208587237U CN201821158134.6U CN201821158134U CN208587237U CN 208587237 U CN208587237 U CN 208587237U CN 201821158134 U CN201821158134 U CN 201821158134U CN 208587237 U CN208587237 U CN 208587237U
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- CN
- China
- Prior art keywords
- bearing cap
- oil pump
- pressure oil
- ontology
- engine 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.)
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- 239000003921 oil Substances 0.000 claims abstract description 63
- 238000009434 installation Methods 0.000 claims abstract description 19
- 239000010687 lubricating oil Substances 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 14
- 238000005461 lubrication Methods 0.000 claims description 10
- 239000000565 sealant Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 abstract description 15
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 230000004992 fission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model discloses an engine camshaft bearing cap, including the bearing cap body, the bearing cap body is equipped with the lubricating structure of high-pressure oil pump mounting point and the lubricating oil buffer memory direction high-pressure oil pump that is used for with camshaft journal supply. The utility model discloses a bearing cap can satisfy fixed camshaft's function, has still integrateed high-pressure oil pump installation function and high-pressure oil pump need constantly lubricated function in work simultaneously.
Description
Technical field
The utility model belongs to engine fittings technical field, and in particular to a kind of engine camshaft bearing cap.
Background technique
Previous engine camshaft bearing cap have be designed to integral frame-type, upper ball cover and valve chamber cover it is integrated
Be integrated, metal (upper lid and valve chamber cover are designed to the various different forms such as one, and seperated structure.In order to full
The lightweight requirements for the engine that foot increasingly requires, keep engine more light and handy compact, the cam shaft of most of gasoline engine
It holds lid and is all made of seperated arrangement.I.e. lower ball cover is integrated in one, first grade of cam shaft of upper ball cover with cylinder head
Lid is held as a fission, and integrated camshaft thrust shelves or oil leab, VVT installation etc., remaining each axle journal uses one
A small upper camshaft bearing lid, then tightened respectively with two bolts, for fixing camshaft.This small single fission
Formula camshaft-bearing cap general structure is fairly simple, only plays the role of fixed camshaft, will not integrate other function.To improve
The mechanical performance and complete machine NVH performance of camshaft-bearing cap, diesel engine cam axle bearing cover are generally made into general frame form knot
Structure.
Required as engine is light-weighted higher and higher, engine valve cover mostly uses plastic to be designed.
But due to plastic part intensity itself be not it is very high, too many components should not be assembled above, especially unbalance stress when
It is also easy to produce modification, and then leads to permeability, therefore the valve chamber cover of plastics can not provide the installation function of high-pressure oil pump.
Utility model content
The utility model provides a kind of engine camshaft bearing cap, it is therefore an objective to the peace of high-pressure oil pump is provided on bearing cap
Dress and lubrication needs.
To achieve the goals above, the technical solution that the utility model is taken are as follows:
A kind of engine camshaft bearing cap, including bearing cap ontology, the bearing cap ontology are installed equipped with high-pressure oil pump
The lubrication system of point and the lubricating oil caching guiding high-pressure oil pump for supplying camshaft journal.
The lubrication system includes the oil leab set on the intrinsic oil storage tank of bearing cap and connection oil storage tank.
The oil storage tank is arc groove.
The high-pressure oil pump installation point be it is multiple, multiple high-pressure oil pump installation points are distributed in the side of bearing cap ontology.
High-pressure oil pump is fastenedly connected by the high-pressure oil pump installation point of bolt and bearing cap ontology.
The faying face of the bearing cap ontology and cylinder cap is equipped with sealant layer.
The bearing cap ontology is fixedly connected by bolt with cylinder cap.
The connecting end surface of the bearing cap ontology and valve chamber cover is equipped with sealing rubber pad.
The utility model has the beneficial effects that the bearing cap of the utility model had both been able to satisfy the function of fixed camshaft, simultaneously
Also it is integrated with the function that high-pressure oil pump installation function and high-pressure oil pump need constantly to lubricate at work.And other several grades cams
Axle bearing lid may still refer to traditional mode, be made into the structure of single fission.This structural volume is small, and structure is simple, at
This is lower.The mentality of designing of valve chamber cover in this way is also more flexible.Valve chamber cover need not be again because high-pressure oil pump will be provided
Installation function and the whole design method for being made into aluminium alloy.But plastic design can be carried out according to demand, make entirely to send out
It is more compact, beautiful and generous that motivation seems structure, and greatly reduces the weight of engine complete machine.
Detailed description of the invention
This specification includes the following drawings, and shown content is respectively:
Fig. 1 is the camshaft-bearing cap of the utility model and the assembling structure schematic diagram of high-pressure oil pump, valve chamber cover；
Fig. 2 is the camshaft-bearing cap setting oil storage tank of the utility model and the structural schematic diagram of slideway.
In the figure, it is marked as
1, bearing cap ontology, 2, high-pressure oil pump installation point, 3, high-pressure oil pump, 4, valve chamber cover, 5, oil storage tank, 6, lubrication
Oil duct.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to specific embodiment of the present utility model further detailed
Thin explanation, it is therefore an objective to help those skilled in the art to the design of the utility model, technical solution have it is more complete, accurate and
Deep understanding, and facilitate its implementation.
As shown in Figure 1 to Figure 2, a kind of engine camshaft bearing cap, including bearing cap ontology 1, bearing cap ontology 1 are equipped with
The lubrication system of high-pressure oil pump installation point 2 and the lubricating oil caching guiding high-pressure oil pump for supplying camshaft journal.Bearing
The location of lid ontology 1 is the last step of the camshaft, the main function of this grade of camshaft drives high-pressure oil pump work
Make.The bearing cap ontology 1 had both been able to satisfy the function of fixed camshaft, while being also integrated with high-pressure oil pump installation function and high pressure oil
The function of needing constantly to lubricate at work is pumped, to guarantee the policy work of high-pressure oil pump.The bearing cap ontology uses die casting aluminium
Alloy production.
Wherein, high-pressure oil pump installation point is the column structure of two setting mounting holes, and two column structures are shaped in
In the outer side edges of bearing cap ontology, and two column structures are symmetrical arranged with respect to the central point of bearing cap ontology, that is to say two
Where a column structure is located at the center hole of bearing cap ontology on diameter cut-off rule.1 outside of column structure and bearing cap ontology
The abutted surface of wall is provided with reinforcing rib, plays reinforcing effect.Certainly, this high-pressure oil pump installation point also 2 can be multiple, multiple high pressures
Oil pump installation point 2 is distributed in the side of bearing cap ontology 1.When assembly, high-pressure oil pump 3 passes through the height of bolt and bearing cap ontology 1
Pressure oil pump installation point 2 is fastenedly connected.Multiple fixation holes are set on the bottom end periphery of bearing cap ontology, so that bearing cap ontology passes through
Bolt is fixedly connected with cylinder cap.The bottom end of bearing cap ontology is tower structure, and fixation hole is shaped in tower structure
Side on the outside of.The superstructure of bearing cap ontology and the joint face of bottom end tower structure are again provided with reinforcing rib.
Lubrication system includes the oil leab 6 of the oil storage tank 5 and connection oil storage tank 5 in bearing cap ontology 1.Oil storage tank
5 be preferably arc groove.Bearing cap ontology is provided with baltimore groove, which is located in groove.In order to reduce processing cost, wherein
Oil storage tank 5 can be by the way of directly casting, and high-pressure oil pump oil leab 6 is needed since size and position degree are more demanding
Individually processed.Guarantee its use function under the premise of, camshaft-bearing cap ontology 1 wall thickness can be done as far as possible it is thin,
Both it is conducive to the production technology of camshaft-bearing cap ontology 1 in this way, avoids lacking due to castings such as the larger generation stomatas of wall thickness variation
It falls into, the weight of camshaft-bearing cap ontology 1 can also be reduced, and then reduce cost.
Valve chamber cover 4 is the design scheme of plastic, it is only necessary to guarantee its original function.It is convex when assembly
Face of the wheel bearing lid ontology 1 in conjunction with cylinder cap guaranteed with flat sealant it sealing and high-pressure oil pump 3 mounting height,
Then camshaft-bearing cap ontology 1 and other grade of seperated camshaft-bearing cap are fixed on cylinder cap together, then is filled with bolt
It is fitted on cylinder cap.Carry out the assembly of valve chamber cover 4 again later.Camshaft-bearing cap ontology 1 and valve chamber cover 4 connect
Place be sealed using rubber pad, the rubber pad at this can be set with the rubber pad sealed between valve chamber cover and cylinder cap
It is calculated as one.Finally, high-pressure oil pump 3 is attached to above camshaft-bearing cap ontology 1 again, tightened with two bolts.Start
When machine works, the lubricating oil for providing lubrication to camshaft journal can pass through 5 shape of oil storage tank on camshaft-bearing cap ontology 1
At an oil duct, the lubricating oil in oil storage tank 5 passes through high-pressure oil pump oil leab 6 again and provides lubrication to high-pressure oil pump 3, and then comes
Guarantee the normal work of high-pressure oil pump 2.
The utility model is exemplarily described in conjunction with attached drawing above.Obviously, the utility model implements not
It is limited by aforesaid way.As long as the various unsubstantialities that the method concept and technical solution that use the utility model carry out
Improvement；Or it is not improved, the above-mentioned conception and technical scheme of the utility model are directly applied into other occasions, at this
Within the protection scope of utility model.
Claims (8)
1. a kind of engine camshaft bearing cap, including bearing cap ontology (1), it is characterised in that: the bearing cap ontology (1) sets
There is the lubrication knot of high-pressure oil pump installation point (2) and lubricating oil caching guiding high-pressure oil pump (3) for supplying camshaft journal
Structure.
2. engine camshaft bearing cap according to claim 1, it is characterised in that: the lubrication system includes being set to bearing
The oil leab (6) of oil storage tank (5) and connection oil storage tank in lid ontology (1).
3. engine camshaft bearing cap according to claim 2, it is characterised in that: the oil storage tank (5) is arc groove.
4. engine camshaft bearing cap according to claim 1, it is characterised in that: the high-pressure oil pump installation point (2) is
Multiple, multiple high-pressure oil pump installation points (2) are distributed in the side of bearing cap ontology.
5. according to claim 1 or 4 engine camshaft bearing caps, it is characterised in that: high-pressure oil pump (3) by bolt with
The high-pressure oil pump installation point (2) of bearing cap ontology is fastenedly connected.
6. engine camshaft bearing cap according to claim 1, it is characterised in that: the bearing cap ontology (1) and cylinder cap
Faying face be equipped with sealant layer.
7. engine camshaft bearing cap according to claim 1, it is characterised in that: the bearing cap ontology (1) passes through spiral shell
Bolt is fixedly connected with cylinder cap.
8. engine camshaft bearing cap according to claim 1, it is characterised in that: the bearing cap ontology (1) and valve
The connecting end surface of room the cover (4) is equipped with sealing rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821158134.6U CN208587237U (en) | 2018-07-21 | 2018-07-21 | Engine camshaft bearing cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821158134.6U CN208587237U (en) | 2018-07-21 | 2018-07-21 | Engine camshaft bearing cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208587237U true CN208587237U (en) | 2019-03-08 |
Family
ID=65541409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821158134.6U Active CN208587237U (en) | 2018-07-21 | 2018-07-21 | Engine camshaft bearing cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208587237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623017A (en) * | 2022-02-25 | 2022-06-14 | 中国第一汽车股份有限公司 | Integrated camshaft bearing cover assembly and engine with same |
-
2018
- 2018-07-21 CN CN201821158134.6U patent/CN208587237U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623017A (en) * | 2022-02-25 | 2022-06-14 | 中国第一汽车股份有限公司 | Integrated camshaft bearing cover assembly and engine with same |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |