CN203161372U - Timing cover for engine and engine - Google Patents
Timing cover for engine and engine Download PDFInfo
- Publication number
- CN203161372U CN203161372U CN 201220737829 CN201220737829U CN203161372U CN 203161372 U CN203161372 U CN 203161372U CN 201220737829 CN201220737829 CN 201220737829 CN 201220737829 U CN201220737829 U CN 201220737829U CN 203161372 U CN203161372 U CN 203161372U
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- CN
- China
- Prior art keywords
- cover
- stiffening rib
- cover body
- timing
- timing cover
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- 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 - Lifetime
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a timing cover for an engine. The timing cover comprises a first cover body, a second cover body and a third cover body, wherein the first cover body is connected with a cylinder head cover in a matching manner, the second cover body is connected with a cylinder head in a matching manner, and the third cover body is connected with a cylinder body in a matching manner; and reinforcing ribs are arranged on the inner walls of the first cover body, the second cover body and the third cover body respectively. The timing cover is high in strength and capability of noise absorption, and excellent in NVH (noise, vibration and harshness) characteristics. The utility model further provides an engine which comprises the cylinder head cover, the cylinder head, the cylinder body and an oil pan, and the timing cover provided in the utility model is arranged on the side surfaces of the cylinder head cover, the cylinder head and the cylinder body.
Description
Technical field
The utility model belongs to the Motor Vehicle power assembly and makes the field, relates in particular to timing cover and motor that a kind of motor is used.
Background technique
Motor car engine comprises cylinder cover cap, cylinder head, cylinder block and oil sump; And in cylinder cover cap, cylinder head, the cylinder block outside timing cover that is tightly connected is with it arranged; In order to reduce the noise of motor, improve the NVH characteristic of motor; The processing of general meeting to being correlated with in the timing cover; Improve the NVH characteristic of timing cover such as the mode of the wall thickness that adopts the manufacturing of branch body structure, employing increase timing cover or fixing bolt quantity; Adopt aforesaid way all can have corresponding problem; As adopt branch body structure timing cover, in the later stage assembly process, it installs trouble, and installation precision can't guarantee; When the wall thickness of employing increase timing cover or the mode of fixing bolt quantity, the casting difficulty of timing cover strengthens, and the complete machine quality increases the weight of, and does not meet the light-weighted designing requirement of motor; The noise that produces when also being unfavorable for absorbing engine operation, its NVH characteristic can't well be guaranteed; And existing its strength ratio of timing cover is relatively poor, in the long-time process of using, can cause the timing cover to be damaged.
Therefore need a kind of intensity height badly, can reduce noise, and have the timing cover of good NVH characteristic.
Summary of the invention
Technical problem to be solved in the utility model is: existing timing cover, its intensity is not high, can not effectively reduce noise, and the technical problem of its NVH characteristic difference.
Accordingly, first purpose of the present utility model provides the timing cover that a kind of motor is used.
The timing cover that a kind of motor is used; Second cover body that it comprises successively first cover body that is connected with valve mechanism cover, be connected with cylinder head, and and the 3rd cover body that is connected of cylinder block; First cover body, second cover body, and the inwall of the 3rd cover body be respectively equipped with stiffening rib.
Preferably, stiffening rib comprises first stiffening rib that is arranged on first cover body, is arranged on second stiffening rib on second cover body and is arranged on the 3rd stiffening rib on the 3rd cover body.
Preferably, first stiffening rib is reticular structure.
Preferably, second stiffening rib comprises the stiffening rib of dispersing of the center stiffening rib that is arranged on the second cover body inboard and the decentre stiffening rib direction that supports or opposes extension centered by the stiffening rib of center.
Preferably, be formed with trapezoidal inner chamber on second cover body, second stiffening rib is arranged in the described inner chamber.
Preferably, the center stiffening rib is hollow cylindrical.
Preferably, disperse the stiffening rib sheet structure; Its thickness is 3mm ~ 3.5mm; Disperse stiffening rib one end and fixedly connected with the center stiffening rib, an end is fixedlyed connected with trapezoidal inner chamber.
Preferably, disperse stiffening rib and be at least two.
Preferably, the 3rd cover body is provided with mounting hole, and the 3rd stiffening rib is the stiffening rib that extends to the 3rd cover body inwall centered by mounting hole.
Preferably, on the 3rd cover body, also be provided with some strengthening grooves, part the 3rd stiffening rib and strengthening groove interconnection.
Preferably, first stiffening rib extends to the joint of second cover body and first cover body; The 3rd stiffening rib partly extends to second cover body and the 3rd cover body joint, and part is connected with the sidewall of inner chamber.
Second purpose of the present utility model provides a kind of motor.
A kind of motor, it comprises valve mechanism cover, cylinder head, cylinder block, oil sump; Be provided with the timing cover in described valve mechanism cover, cylinder head, cylinder block side; The timing cover that the timing cover provides for the utility model.
The timing cover that the motor that the utility model provides is used, its first cover body at the timing cover, second cover body, the 3rd cover body inwall are provided with stiffening rib; By on timing cover inwall, all being provided with stiffening rib, can improve the bulk strength of timing cover on the one hand, make it durable, be applicable in the various bad working environment; And its long service life; On the other hand, the noise that stiffening rib produces in the time of can absorbing engine operation, the overall noise when making the work of motor reduces, and improves the NVH characteristic of motor.
Description of drawings
Fig. 1 is the timing cover that motor that the utility model provides is used.
Embodiment
Clearer for technical problem, technological scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the timing cover used of a kind of motor; Second cover body 2 that it comprises successively first cover body 1 that is connected with valve mechanism cover, be connected with cylinder head, and and the 3rd cover body 3 that is connected of cylinder block; Described first cover body 1, second cover body 2, and the inwall of the 3rd cover body 3 be respectively equipped with stiffening rib; Wherein valve mechanism cover, cylinder head and cylinder block are parts known in those skilled in the art, do not repeat them here.
The utility model is not done specific (special) requirements to the material of the timing cover of motor, can be magnesium alloy, can be aluminum alloy yet; Preferably, it is made for magnesium alloy; The timing cover that adopts magnesium alloy to make, its structural strength can well be guaranteed; Simultaneously because magnesium alloy is lighter, the timing cover that adopts magnesium alloy to make, its whole weight reduces, and can make the gross weight of the motor that adopts the timing cover that the utility model provides reduce, the weight of car load also can reduce accordingly, so just makes the oil consumption of car load reduce.
The timing cover comprises the first fixedly connected cover body 1, second cover body 2 and the 3rd cover body 3, the utility model preferably, first cover body 1, second cover body 2 and the 3rd cover body 3 structure that is formed in one; More preferably, it is one-body molded for the mode that adopts casting; The situation that can avoid adopting the performances such as mechanical strength of the timing cover that other process combination first cover bodies 1, second cover body 2 and the 3rd cover body 3 form to reduce like this takes place, and improves the working life of timing cover.
Stiffening rib comprises first stiffening rib 11 that is arranged on first cover body 1, be arranged on second stiffening rib on second cover body 2 and be arranged on the 3rd stiffening rib on the 3rd cover body 3; The utility model is not done specific (special) requirements to first stiffening rib, 11 shapes, can be reticular structure, can be list structure yet; Preferably, it is reticular structure; More preferably, it is the honeycomb reticular structure; Adopt this structure in unit area, stiffening rib to be set more; Can improve the intensity of timing cover greatly; And its ability that absorbs noise has improved greatly, and the NVH characteristic of timing cover is more optimized.
The utility model is provided with second stiffening rib at second cover body 2; Because second cover body 2 is connected with cylinder head, therefore to its requirement of intensity than higher; Preferably, the utility model provides second cover body 2 of timing cover to cave in to the inside, forms trapezoidal inner chamber; Second cover body 2 is arranged to this structure and can be avoided producing vibration owing to engine luggine causes the timing cover, and produces vibrating fatigue, causes the phenomenon of body fracture to take place; To prolong the working life of timing cover.
Be provided with second stiffening rib at the second cover body inwall, second stiffening rib comprises that the center stiffening rib 21 that is arranged on second cover body, 2 inboards and decentre stiffening rib 21 directions that support or oppose extend centered by center stiffening rib 21 disperses stiffening rib 22; Preferably, second stiffening rib is arranged in the trapezoidal inner chamber, and wherein center stiffening rib 21 is cylindrical, employing center stiffening rib 21 can be alleviated the stress concentration phenomenon on second cover body 2, prevents that in the part of second cover body 2 stress taking place concentrates, cause second cover body to damage, influence its normal use; More preferably, center stiffening rib 21 is hollow, adopts this structure, when the phenomenon of can relieve stresses concentrating takes place, can reduce the overall weight of timing cover, makes the timing cover have light-weighted characteristics; Disperse stiffening rib 22 and be sheet structure, disperse stiffening rib 22 centered by center stiffening rib 21, extend to the inwall of second cover body 2, and fixedly connected with the inwall of second cover body 2, and be connected with the bottom vertical of the inner chamber of second cover body 2; Preferably, the thickness of dispersing stiffening rib is 3mm ~ 3.5mm, less than timing cover wall thickness, second stiffening rib is arranged to this thickness, can further avoid the generation of the second cover body stress concentration phenomenon, can further strengthen the intensity of second cover body; Adopt these two kinds of stiffening ribs in conjunction with the structure of second stiffening rib of forming on the utility model second cover body, can significantly improve the intensity of second cover body 2, prevent that 2 stress of second cover body from concentrating and damage; Preferably, disperse stiffening rib and be at least two; The noise that produces when more many stiffening ribs can absorb more from engine operation is set, thereby reduces the noise of motor, can significantly improve the NVH characteristic of motor.
The 3rd cover body 3 is provided with mounting hole 33, and the 3rd stiffening rib 31 extends to the 3rd cover body 3 inwalls centered by mounting hole 33, and fixedlys connected with inwall; On the 3rd cover body 3, also be provided with some strengthening grooves 32; Preferably, strengthening groove 32 is circular arc; Adopt this strengthening groove 32 structures, when reaching same requirement of strength, can avoid at the 3rd cover body 3 more stiffening rib being set, and can save material, and reduce manufacture difficulty; Wherein the 3rd stiffening rib 31 that centered by mounting hole 33, extends to the 3rd cover body 3 inwalls of part pass strengthening groove 32 and with strengthening groove 32 interconnections; Can improve the intensity of the 3rd cover body 3 like this, and the ability that absorbs noise, the NVH characteristic of raising motor; Wherein mounting hole 33 is used for crankshaft sprocket is installed, and crankshaft sprocket is component known in those skilled in the art, does not repeat them here.
The utility model is not done specific (special) requirements to the making method of making stiffening rib in the timing cover, can in casting timing cover stiffening rib be cast on the timing cover inwall for adopting casting technique; Also can adopt other technologies to make stiffening rib; The utility model preferably adopts the technology of casting to form stiffening rib at timing cover inwall; Adopt this mode to make stiffening rib; Can make the combination of stiffening rib and timing cover better, more firm; Simultaneously also can avoid adopting other technologies with stiffening rib with the timing cover is combined the time, can the mechanical property of timing cover itself be damaged, be difficult to reparation, thereby influence its working life.
More preferably, first stiffening rib extends to the joint of second cover body and first cover body; The 3rd stiffening rib extends to the joint of second cover body and the 3rd cover body, and part is connected with the sidewall of the inner chamber that is arranged on the second cover body upper trapezoid; Can further improve the bulk strength of timing cover like this.
General, the timing cover that motor is used is provided with stiffening rib, but just in the part stiffening rib is set, improving the intensity of timing cover, and the noise that produces can absorb engine operation the time, the noise of reduction motor integral body improves its NVH characteristic; Though can improve the intensity of timing cover so to a certain extent, and the noise that produces when absorbing engine operation; But because it just is provided with stiffening rib in the part, can only improves the intensity of timing cover part, and can not improve timing cover integral intensity, therefore this timing cover is not suitable on the motor that uses under the working environment very harsh conditions; And the ability of its absorption noise is very non-constant also, can not well improve the NVH characteristic of motor.
The timing cover that the utility model provides, second cover body 2 that it comprises successively first cover body 1 that is connected with valve mechanism cover, be connected with cylinder head, and and the 3rd cover body 3 that is connected of cylinder block; First cover body 1, second cover body 2, and the inwall of the 3rd cover body 3 be respectively equipped with stiffening rib; Stiffening rib comprises first stiffening rib 11 that is arranged on first cover body 1, be arranged on second stiffening rib on second cover body 2 and be arranged on the 3rd stiffening rib 31 on the 3rd cover body 3.On the one hand, owing to be provided with stiffening rib at the inwall of timing cover, and just in the part stiffening rib is not set, the bulk strength of timing cover is improved greatly, make it can adapt to bad working environment more, and can not damage, prolong its working life.
On the other hand, first stiffening rib is reticular structure, second stiffening rib comprises the center stiffening rib, and centered by the stiffening rib of center to the second cover body inwall extend and with the second cover body inwall fixing disperse stiffening rib, the 3rd stiffening rib is for being the stiffening rib of divergent shape centered by mounting hole; Make the ability of the noise that stiffening rib produces when absorbing engine operation obtain improving the noise that produces when making the timing cover more absorb engine operation greatly like this; The noise that produces when reducing engine operation, the NVH characteristic of raising motor can also be alleviated the phenomenon that timing cover upper stress is concentrated simultaneously, prevents that the timing cover from damaging.
The utility model relates to a kind of motor, and it comprises valve mechanism cover, cylinder head, cylinder block, oil sump; Be provided with the timing cover in described valve mechanism cover, cylinder head, cylinder block side; The timing cover that provides for the utility model of timing cover wherein.This practical novel motor that provides, its overall tightness is good, and fuel-economizing.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (12)
1. timing cover that motor is used; It is characterized in that: second cover body that it comprises successively first cover body that is connected with valve mechanism cover, be connected with cylinder head, and and the 3rd cover body that is connected of cylinder block; Described first cover body, second cover body, and the inwall of the 3rd cover body be respectively equipped with stiffening rib.
2. timing cover as claimed in claim 1 is characterized in that: described stiffening rib comprises first stiffening rib that is arranged on first cover body, be arranged on second stiffening rib on second cover body and be arranged on the 3rd stiffening rib on the 3rd cover body.
3. timing cover as claimed in claim 2, it is characterized in that: described first stiffening rib is reticular structure or cellular structure.
4. timing cover as claimed in claim 2 is characterized in that: described second stiffening rib comprises the stiffening rib of dispersing that the center stiffening rib that is arranged on the second cover body inboard and the decentre stiffening rib direction that supports or opposes extend centered by the stiffening rib of center.
5. timing cover as claimed in claim 4, it is characterized in that: be formed with trapezoidal inner chamber on described second cover body, described second stiffening rib is arranged in the described inner chamber.
6. timing cover as claimed in claim 4 is characterized in that: described center stiffening rib is hollow cylindrical.
7. timing cover as claimed in claim 4, it is characterized in that: the described stiffening rib of dispersing is sheet structure; Its thickness is 3mm ~ 3.5mm; Described stiffening rib one end of dispersing is fixedlyed connected with the center stiffening rib, and an end is fixedlyed connected with trapezoidal inner chamber.
8. as any described timing cover of claim 4-7, it is characterized in that: the described stiffening rib of dispersing is at least two.
9. timing cover as claimed in claim 2, it is characterized in that: described the 3rd cover body is provided with mounting hole, and described the 3rd stiffening rib is the stiffening rib that extends to the 3rd cover body inwall centered by described mounting hole.
10. timing cover as claimed in claim 2 is characterized in that: also be provided with some strengthening grooves on described the 3rd cover body, described part the 3rd stiffening rib and strengthening groove interconnection.
11. as claim 5 or 9 or 10 described timing covers, it is characterized in that: described first stiffening rib extends to the joint of second cover body and first cover body; Described the 3rd stiffening rib partly extends to second cover body and the 3rd cover body joint, and part is connected with the sidewall of inner chamber.
12. a motor, it comprises valve mechanism cover, cylinder head, cylinder block, oil sump; Be provided with the timing cover in described valve mechanism cover, cylinder head, cylinder block side; It is characterized in that described timing cover is any described timing cover of claim 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737829 CN203161372U (en) | 2012-12-28 | 2012-12-28 | Timing cover for engine and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737829 CN203161372U (en) | 2012-12-28 | 2012-12-28 | Timing cover for engine and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203161372U true CN203161372U (en) | 2013-08-28 |
Family
ID=49022564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220737829 Expired - Lifetime CN203161372U (en) | 2012-12-28 | 2012-12-28 | Timing cover for engine and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203161372U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110662375A (en) * | 2018-06-28 | 2020-01-07 | 比亚迪股份有限公司 | Motor controller upper cover, motor controller, drive assembly and vehicle |
| CN111058963A (en) * | 2019-12-31 | 2020-04-24 | 宝鸡吉利发动机有限公司 | Engine timing guard shield, engine and vehicle |
-
2012
- 2012-12-28 CN CN 201220737829 patent/CN203161372U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110662375A (en) * | 2018-06-28 | 2020-01-07 | 比亚迪股份有限公司 | Motor controller upper cover, motor controller, drive assembly and vehicle |
| CN111058963A (en) * | 2019-12-31 | 2020-04-24 | 宝鸡吉利发动机有限公司 | Engine timing guard shield, engine and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
|
| CX01 | Expiry of patent term |