CN203770954U - Diesel engine flywheel casing - Google Patents
Diesel engine flywheel casing Download PDFInfo
- Publication number
- CN203770954U CN203770954U CN201420103325.8U CN201420103325U CN203770954U CN 203770954 U CN203770954 U CN 203770954U CN 201420103325 U CN201420103325 U CN 201420103325U CN 203770954 U CN203770954 U CN 203770954U
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- China
- Prior art keywords
- installation base
- housing
- face
- circular hole
- diesel engine
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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 - Fee Related
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to a diesel engine flywheel casing including an aluminium alloy housing. The center of the front end face of the housing is provided with a through crankshaft oil sealing installing circular hole, and the outer side of the periphery of the front end face of the housing is provided with a gearbox installing boss. The outer side of the periphery of the gearbox installing boss is provided with a starting motor installing boss. A gear chamber installing boss which is coated with a sealant layer when in installation is arranged on the rear end face of the housing at the outer side of the crankshaft oil sealing installing circular hole. A flywheel casing fixing support installing boss with a bolt hole is arranged on the rear end face under the crankshaft oil sealing installing circular hole. Netted reinforcing ribs distributed along the crankshaft oil sealing installing circular hole are arranged on the front end face of the housing. A first lower exhaust pipe support fixing boss is arranged on the outer periphery of the side, which is opposite to the side provided with the starting motor installing boss, of the gearbox installing boss, and a second lower exhaust pipe support fixing boss is arranged on the rear end face of the housing above the crankshaft oil sealing installing circular hole. The diesel engine flywheel casing has the characteristics of light weight, compact structure and high strength, and is excellent in NVH test performance.
Description
Technical field
The utility model relates to diesel engine technologies field, is specifically related to a kind of flywheel shell of diesel engine.
Background technique
Day by day complicated along with the fast development of automotive industry and diesel engine structure, also proposes more function and technological requirement to flywheel shell of diesel engine.There are following 3 deficiencies in existing flywheel shell of diesel engine: the first, adopt cast iron quality, and not only make the large performance that affects of diesel engine flywheel case weight improve, also difficult processing, machining accuracy are low; The second, actuating motor mounting point, close to enmgine exhaust and lower outlet pipe, not only makes the installing space of actuating motor little, also can be high and fragile because of ambient temperature; The 3rd, topology layout is not compact, intensity is low, and NVH performs poor.
Model utility content
The purpose of this utility model is to provide a kind of flywheel shell of diesel engine, and this flywheel casing has lightweight, compact structure, intensity high, and in NVH test, performance is good.
For achieving the above object, the utility model has adopted following technological scheme: a kind of flywheel shell of diesel engine, comprise housing, and housing is aluminum alloy casting.Flywheel shell adopts blank machining moulding after aluminum alloy casting, and this not only can alleviate flywheel shell of diesel engine weight, also makes its easily processing, machining accuracy high.Described housing front-end face central authorities are provided with the crank shaft oil seal of perforation circular hole are installed, and by crankshaft rear oil seal mounting hole is designed on flywheel casing, can make diesel engine rear end structure compacter, and sealing is more excellent.
Housing front-end face periphery is provided with gearbox installation base, and gearbox installation base is provided with equally distributed for the bolt mounting holes of gearbox is installed.The periphery of gearbox installation base is provided with actuating motor installation base, and actuating motor installation base is provided with for the bolt mounting holes of actuating motor is installed.By the design of gearbox installation base location arrangements actuating motor installation base, can effectively solve the inadequate problem of rear gear chamber diesel engine rear end annex arrangement space.In the design of existing flywheel shell of diesel engine, actuating motor is arranged on enmgine exhaust below, on the one hand from lower outlet pipe very close to, actuating motor is operated under hot environment; Overhead closer on the other hand, when sleety weather or ponding road traveling, easily immersion is damaged.In the utility model, actuating motor is arranged on the upper left corner of gearbox, and top is container, and this position is positioned at engine charge end, away from exhaust high temperature district, and can not splashed by the water in when driving, has effectively extended the working life of actuating motor.
The housing ear end face that crank shaft oil seal is installed circular hole outside is provided with gear chamber installation base, scribbles sealant layer while installing on gear chamber installation base.First on gear chamber installation base, be coated with last layer sealer, then by clamping bolt, itself and gear chamber be secured together.The design of gear chamber installation base position and the setting of sealant layer, can improve sealing and the structural behaviour of diesel engine.
Further, the housing ear end face of crank shaft oil seal installation circular hole below is provided with the flywheel casing fixed support installation base in strap bolt hole.Described flywheel casing fixed support installation base is 2, and is symmetrically distributed in the both sides that crank shaft oil seal is installed circular hole.By flywheel casing fixed support installation base, flywheel casing can be fixed on engine body.By flywheel casing fixed support being designed to symmetrical two, can effectively reduce the stress of flywheel casing and gear chamber and concentrate, guarantee sealing that flywheel casing is good and higher structural strength.
Further, described housing front-end face is provided with the netted reinforcing rib that circular hole peripheral distribution is installed along crank shaft oil seal.The design of netted reinforcing rib, can not only improve flywheel casing intensity, can also make flywheel casing realize lightweight.
Further, the excircle that described gearbox installation base is provided with the opposite side of actuating motor installation base is provided with exhaust pipe support fixing lug boss first time; The housing ear end face that crank shaft oil seal is installed circular hole top is provided with exhaust pipe support fixing lug boss second time.First time exhaust pipe support fixing lug boss and second time exhaust pipe support fixing lug boss are the top and bottom that are used for fixing respectively outlet pipe under motor L-type.The design of lower exhaust pipe support fixing lug boss, not only makes the functional diversities of flywheel shell of diesel engine, can also avoid motor stress to concentrate and cause lower outlet pipe two ends fastening flange to damage, and makes the NVH of motor have superior performance.
As shown from the above technical solution, first the utility model installs the design of circular hole, gearbox installation base, actuating motor installation base, gear chamber installation base, flywheel casing fixed support installation base by crank shaft oil seal, realized the compact structure of flywheel shell of diesel engine; Secondly by adopting aluminum alloy casting flywheel casing housing, make flywheel casing realize lightweight; Again, by the design of flywheel casing fixed support installation base quantity and position relationship and netted reinforcing rib, improved the intensity of flywheel shell of diesel engine.In a word, by whole design, this flywheel shell of diesel engine is showed in NVH test superior.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model housing front-end face structural representation;
Fig. 3 is the utility model housing ear end face structural representation.
Wherein:
1, housing, 2, crank shaft oil seal is installed circular hole, 3, actuating motor installation base, 4, gear chamber installation base, 5, second time exhaust pipe support fixing lug boss, 6, flywheel casing fixed support installation base, 7, first time exhaust pipe support fixing lug boss, 8, gearbox installation base, 9, netted reinforcing rib.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
As Figure 1-Figure 2, a kind of flywheel shell of diesel engine, comprises housing 1, and housing 1 is aluminum alloy casting.Flywheel shell adopts blank machining moulding after aluminum alloy casting, and this not only can alleviate flywheel shell of diesel engine weight, also makes its easily processing, machining accuracy high.Described housing 1 front-end face central authorities are provided with the crank shaft oil seal of perforation circular hole 2 are installed, and by crankshaft rear oil seal mounting hole is designed on flywheel casing, can make diesel engine rear end structure compacter, and sealing is more excellent.
Housing 1 front-end face periphery is provided with gearbox installation base 8, and gearbox installation base 8 is provided with equally distributed for the bolt mounting holes of gearbox is installed.The periphery of gearbox installation base 8 is provided with actuating motor installation base 3, and actuating motor installation base 3 is provided with for the bolt mounting holes of actuating motor is installed.By the design of gearbox installation base position, can effectively solve the not compact problem of rear gear chamber diesel engine rear end structure.In the design of existing flywheel shell of diesel engine, actuating motor is arranged on enmgine exhaust below, on the one hand from lower outlet pipe very close to, actuating motor is operated under hot environment; Overhead closer on the other hand, when sleety weather or ponding road traveling, easily immersion is damaged.In the utility model, actuating motor is arranged on the upper left corner of gearbox, and top is container, and this position is positioned at engine charge end, away from exhaust high temperature district, and can not splashed by the water in when driving, has effectively extended the working life of actuating motor.
The housing ear end face that crank shaft oil seal is installed circular hole 2 outsides is provided with gear chamber installation base 4, scribbles sealant layer while installing on gear chamber installation base 4.First on gear chamber installation base, be coated with last layer sealer, then by clamping bolt, itself and gear chamber be secured together.The design of gear chamber installation base position and the setting of sealant layer, can improve sealing and the structural behaviour of diesel engine.
Further, housing 1 ear end face of crank shaft oil seal installation circular hole 2 belows is provided with the flywheel casing fixed support installation base 6 in strap bolt hole.Described flywheel casing fixed support installation base 6 is 2, and is symmetrically distributed in the both sides that crank shaft oil seal is installed circular hole 2.By flywheel casing fixed support installation base, flywheel casing can be fixed on engine body.By flywheel casing fixed support being designed to symmetrical two, can effectively reduce the stress of flywheel casing and gear chamber and concentrate, guarantee sealing that flywheel casing is good and higher structural strength.
Further, described housing 1 front-end face is provided with the netted reinforcing rib 9 that circular hole peripheral distribution is installed along crank shaft oil seal.The design of netted reinforcing rib, can not only improve flywheel casing intensity, can also make flywheel casing realize lightweight.
Further, the excircle that described gearbox installation base 8 is provided with the opposite side of actuating motor installation base 3 is provided with exhaust pipe support fixing lug boss 7 first time; Housing 1 ear end face that crank shaft oil seal is installed circular hole 2 tops is provided with exhaust pipe support fixing lug boss 5 second time.First time exhaust pipe support fixing lug boss and second time exhaust pipe support fixing lug boss are the top and bottom that are used for fixing respectively outlet pipe under motor L-type.The design of lower exhaust pipe support fixing lug boss, not only makes the functional diversities of flywheel shell of diesel engine, can also avoid motor stress to concentrate and cause lower outlet pipe two ends fastening flange to damage, and makes the NVH of motor have superior performance.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (6)
1. a flywheel shell of diesel engine, comprises housing (1), it is characterized in that: described housing (1) is aluminum alloy casting; Described housing (1) front-end face central authorities are provided with the crank shaft oil seal of perforation circular hole (2) are installed, housing (1) front-end face periphery is provided with gearbox installation base (8), and the periphery of gearbox installation base (8) is provided with actuating motor installation base (3); Housing (1) ear end face that crank shaft oil seal is installed circular hole (2) outside is provided with gear chamber installation base (4), scribbles sealant layer during the upper installation of gear chamber installation base (4); The housing ear end face of crank shaft oil seal installation circular hole (2) below is provided with the flywheel casing fixed support installation base (6) in strap bolt hole.
2. a kind of flywheel shell of diesel engine according to claim 1, is characterized in that: described housing (1) front-end face is provided with the netted reinforcing rib (9) that circular hole (2) peripheral distribution is installed along crank shaft oil seal.
3. a kind of flywheel shell of diesel engine according to claim 1, is characterized in that: described gearbox installation base (8) is provided with equally distributed for the bolt mounting holes of gearbox is installed.
4. a kind of flywheel shell of diesel engine according to claim 1, is characterized in that: described actuating motor installation base (3) is provided with for the bolt mounting holes of actuating motor is installed.
5. a kind of flywheel shell of diesel engine according to claim 1, is characterized in that: the excircle that described gearbox installation base (8) is provided with the opposite side of actuating motor installation base (3) is provided with first time exhaust pipe support fixing lug boss (7); Housing (1) ear end face that crank shaft oil seal is installed circular hole (2) top is provided with second time exhaust pipe support fixing lug boss (5).
6. a kind of flywheel shell of diesel engine according to claim 1, is characterized in that: described flywheel casing fixed support installation base (6) is 2, and is symmetrically distributed in the both sides that crank shaft oil seal is installed circular hole (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103325.8U CN203770954U (en) | 2014-03-07 | 2014-03-07 | Diesel engine flywheel casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103325.8U CN203770954U (en) | 2014-03-07 | 2014-03-07 | Diesel engine flywheel casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770954U true CN203770954U (en) | 2014-08-13 |
Family
ID=51288145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420103325.8U Expired - Fee Related CN203770954U (en) | 2014-03-07 | 2014-03-07 | Diesel engine flywheel casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203770954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812569A (en) * | 2019-03-29 | 2019-05-28 | 广西玉柴机器股份有限公司 | A kind of structure of rear gear chamber type matching automatic gear-box |
-
2014
- 2014-03-07 CN CN201420103325.8U patent/CN203770954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812569A (en) * | 2019-03-29 | 2019-05-28 | 广西玉柴机器股份有限公司 | A kind of structure of rear gear chamber type matching automatic gear-box |
| CN109812569B (en) * | 2019-03-29 | 2024-03-08 | 广西玉柴机器股份有限公司 | Structure of automatic gearbox matched with rear gear chamber model |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20200307 |