CN206987974U - A kind of multifunctional engine front shroud lid arrangement - Google Patents
A kind of multifunctional engine front shroud lid arrangement Download PDFInfo
- Publication number
- CN206987974U CN206987974U CN201720649679.6U CN201720649679U CN206987974U CN 206987974 U CN206987974 U CN 206987974U CN 201720649679 U CN201720649679 U CN 201720649679U CN 206987974 U CN206987974 U CN 206987974U
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- China
- Prior art keywords
- arcwall face
- front cover
- lid arrangement
- step surface
- front shroud
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Abstract
The utility model discloses a kind of multifunctional engine front shroud lid arrangement,Including the front cover in the annular seal space in engine direction,There is outer front cover outside the interior front cover,Interior front cover is connected as a single entity with outer front cover by the way of compression casting,The outer front cover is using step surface as boundary,The big planar structure of outer front cover is divided into arcwall face and reinforcing rib structure,Step surface upper end is formed using evagination arcwall face structure,It is reinforcing rib structure below step surface,The utility model to the Sizes of various pieces by optimizing,So as to improve the structural strength of front cover,Improve the intrinsic frequency of front cover in itself simultaneously,Avoid front cover that covibration occurs with complete machine,In addition,Noise bang path can effectively be changed by arcwall face design structure,So as to reach the purpose for reducing noise,Pass through Integration Design,Space availability ratio can be effectively improved,And the outward appearance for improving whole engine is horizontal.
Description
Technical field
Engine auxiliary spare part mounting technique field is the utility model is related to, more particularly, to a kind of for diesel engine
Multifunctional engine front shroud lid arrangement.
Background technology
With the horizontal continuous lifting of engine technology, the Integration Design and strengthening design of engine are to improve engine
Performance and the inevitable development trend for reducing cost.The horizontal continuous improvement of manufacturing industry also designs for engine has established strong base
Plinth.As people require more and more higher to the comfortableness of vehicle, this requires the level of NVH for constantly reducing engine.Traditional
Engine front cover lid major function is sealing chain engineer room, timing chain system is effectively completely cut off with the external world, only serves sealing and makees
With to noise optimization, Integration Design does not all account for, and causes engine component to increase, be wasting space structure, not beautiful
The defects of sight.
Utility model content
The purpose of this utility model is to be directed to above-mentioned the deficiencies in the prior art, there is provided one kind reduces noise, collection
Into the multifunctional engine front shroud lid arrangement of vavuum pump installation, crankshaft oil seal installation and speed probe installation, can play
While sealing the effect of chain engineer room, reduce engine noise, dropping the noise reduction that shakes for complete machine provides support, and integrated vacuum pump is pacified
Dress, crankshaft oil seal installation and speed probe installation, increased with solving prior art engine component, space structure waste,
Unsightly the defects of.
To use following technical scheme up to this purpose, the utility model：
A kind of multifunctional engine front shroud lid arrangement, it includes the front cover in the annular seal space in engine direction, described
Also have outer front cover outside interior front cover, interior front cover is connected as a single entity with outer front cover by the way of compression casting, it is described it is outer before
The big planar structure of outer front cover is divided into arcwall face and reinforcing rib structure, step surface upper end is adopted by cover lid using step surface as boundary
Formed with evagination arcwall face structure, be reinforcing rib structure below step surface.
Preferably, the arcwall face includes the first arcwall face, the second arcwall face, the 3rd arcwall face and the 4th arcwall face, institute
State the first arcwall face, the second arcwall face and the 3rd arcwall face to connect side by side successively, after the 4th cambered surface is arranged on second and third cambered surface
Side.
Preferably, first arcwall face, the second arcwall face and the 3rd arcwall face diameter are identical, and the 4th arcwall face is a diameter of
Twice of other three arcwall face diameters.
Preferably, the arc radius of first arcwall face, the second arcwall face and the 3rd arcwall face is 200mm, and protrusion is high
15mm is spent, the 4th arcwall face is inlayed between the second arcwall face and the 3rd arcwall face, protrusion height 4mm.
Preferably, the step surface is inclined plane, and angle of inclination is 45 °.
Preferably, integrated vacuum pump mounting flange above third and fourth described arcwall face, the vavuum pump mounting flange is by close
Front cover, fixed bolt hole and lightening recesses composition, and reinforcing rib structure and surrounding screw phase are provided with around vavuum pump mounting flange
Even.
Preferably, the step surface lower end integrates crankshaft oil seal mounting seat, and the crankshaft oil seal mounting seat is by crankshaft oil seal
Hole and oil sealing locating surface composition.
Preferably, speed probe mounting bracket is integrated at the reinforcing rib structure of the step surface lower end, the rotating speed passes
Sensor mounting bracket is made up of sensor mounting hole and sensor installation bolt hole.
Preferably, the vavuum pump mounting flange, crankshaft oil seal mounting seat, speed probe mounting bracket and front cover enter
Row integral cast or punch forming.
Preferably, adjacent two arcwall face is connected by knuckle.
The beneficial effects of the utility model are that the multifunctional engine cover lid can integrated vacuum compared with prior art
Pump, crankshaft oil seal and speed probe installation, make engine structure compact, are easy to assemble；Can be with by the design of evagination arcwall face
The intrinsic frequency of engine front cover lid is improved, avoids engine front cover lid from integrally producing resonance with engine, drops drop of shaking for complete machine
Make an uproar and support is provided；Noise bang path can effectively be changed by the design of evagination arcwall face, sound is carried out in communication process
Offset, so as to reach the purpose for reducing noise；By being set in vavuum pump mounting flange surrounding, step surface lower end and arcwall face inner chamber
Reinforcement is counted, the structural strength of engine front cover lid can be improved.
Brief description of the drawings
Fig. 1 is the front view of the utility model embodiment；
Fig. 2 is the side view of the utility model embodiment.
In figure：The outer front cover of front cover, 2-, the cambered surfaces of 21- first, the cambered surfaces of 22- second, the cambered surfaces of 23- the 3rd, 24- the in 1-
Four cambered surfaces, 3- vavuum pumps mounting flange, 31- vavuum pumps installation sealing surface, 32- vavuum pumps installation fixed bolt hole, 33- losss of weight are recessed
Groove, 4- speed probes mounting bracket, 41- speed probes mounting hole, 42- speed probe installation bolts hole, 5- bent axles oil
Seal mounting seat, 51-crankshaft oil seal hole, 52- oil sealings locating surface, 6- step surfaces.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is paid
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to shown in Fig. 1 and Fig. 2, in the present embodiment, a kind of multifunctional engine front cover includes interior front cover 1, outer
Front cover 2, the first cambered surface 21, the second cambered surface 22, the 3rd cambered surface 23, the 4th cambered surface 24, vavuum pump mounting flange 3, vavuum pump peace
Fill sealing surface 31, vavuum pump installation fixed bolt hole 32, lightening recesses 33, speed probe mounting bracket 4, speed probe peace
Fill hole 41, speed probe installation bolt hole 42, crankshaft oil seal mounting seat 5, crankshaft oil seal hole 51, oil sealing locating surface 52 and step
Face 6.
Front cover 1 is the annular seal space close to engine direction in the engine.
The outer front cover 2 of the engine is the evagination arcwall face away from engine direction, and this arcwall face specifically includes first
Arcwall face 21, the second arcwall face 22, the 3rd arcwall face 23, the 4th arcwall face 24；First arcwall face 21, the second arcwall face 22,
Three arcwall faces 23 are starting point with the step surface 6 of front cover, using the center of vavuum pump mounting flange 4 as terminal, the first arcwall face 21,
23 3 second arcwall face 22, the 3rd arcwall face arcwall faces carry out decile, it is ensured that three arcwall face diameters are equal.4th arcwall face
24 inlay between the second arcwall face 22, the 3rd arcwall face 23, and the two of 24 other a diameter of three arcwall face diameters of the 4th arcwall face
Times.Step surface is reinforcing rib structure below 6.So, the big planar structure of front cover 2 is divided into arcwall face and reinforcing rib structure,
Optimized by the Sizes of various pieces, so as to provide the structural strength of front cover；Of front cover itself is provided simultaneously
Intrinsic frequency, avoid front cover and complete machine that covibration occurs.In addition, can effectively it be changed by arcwall face design structure
Noise bang path, so as to reach the purpose for reducing noise.
The vavuum pump mounting flange 3 is that vavuum pump mounting flange 3 is by sealing surface 31, fixation positioned at the outer top of front cover 2
Bolt hole 32, lightening recesses 33 form.Lightening recesses 33 are located at sealing surface 31 close to the position of fixed bolt hole 32, vavuum pump installation
Flange 3 carries out integral cast or punch forming with front cover 2, and both carry out Integrated design and manufacture, effectively raise sky
Between utilization rate, and the outward appearance for improving whole engine is horizontal.
The speed probe mounting bracket 4 is at the reinforcement of the lower section of step surface 6, mainly by sensor mounting hole
41 and sensor installation bolt hole 42 form.Speed probe mounting bracket 4 carries out integral cast with front cover 2 or struck out
Type, both carry out Integrated design and manufacture, effectively raise space availability ratio, and improve the exterior water of whole engine
It is flat.
The crankshaft oil seal mounting seat 5 is located at the lower section of step surface 6, and crankshaft oil seal mounting seat 5 is by crankshaft oil seal hole 51 and oil
Envelope locating surface 52 forms.Crankshaft oil seal and crankshaft oil seal hole interference fits, are positioned, crankshaft oil seal by oil sealing locating surface 52
Mounting seat 5 and and engine front cover lid integral cast or punch forming.But crankshaft oil seal hole 51 and oil sealing locating surface 52 will
Carry out machining guarantee and the fit dimension of oil sealing.
The step surface 6 is the line of demarcation of interior front cover 1 and outer front cover 2, and step surface 6 is inclined plane, and angle of inclination is
45°。
Above example simply elaborates basic structure and characteristic of the present utility model, and the utility model is not by above-mentioned example
Limitation, on the premise of the spirit and scope of the utility model is not departed from, the utility model also has various change and change, these changes
Change and change and both fall within claimed the scope of the utility model.The utility model requires protection scope will by appended right
Ask book and its equivalent thereof.
Claims (10)
1. a kind of multifunctional engine front shroud lid arrangement, including the front cover in the annular seal space in engine direction, its feature exist
In also outer front cover, interior front cover are connected as a single entity with outer front cover by the way of compression casting outside the interior front cover, institute
Outer front cover is stated using step surface as boundary, the big planar structure of outer front cover is divided into arcwall face and reinforcing rib structure, step surface
Upper end is formed using evagination arcwall face structure, is reinforcing rib structure below step surface.
2. a kind of multifunctional engine front shroud lid arrangement according to claim 1, it is characterised in that the arcwall face includes
First arcwall face, the second arcwall face, the 3rd arcwall face and the 4th arcwall face, first arcwall face, the second arcwall face and the 3rd
Arcwall face connects side by side successively, and the 4th cambered surface is arranged on the rear of second and third cambered surface.
A kind of 3. multifunctional engine front shroud lid arrangement according to claim 2, it is characterised in that first arc
Face, the second arcwall face and the 3rd arcwall face diameter are identical, twice of other a diameter of three arcwall face diameters of the 4th arcwall face.
4. multifunctional engine front shroud lid arrangement according to claim 2, it is characterised in that first arcwall face,
The arc radius of two arcwall faces and the 3rd arcwall face is 200mm, protrusion height 15mm, and the 4th arcwall face inlays the second arc
Between face and the 3rd arcwall face, protrusion height 4mm.
5. the multifunctional engine front shroud lid arrangement stated according to claim 1, it is characterised in that the step surface is inclined plane,
Angle of inclination is 45 °.
6. multifunctional engine front shroud lid arrangement according to claim 2, it is characterised in that third and fourth described arcwall face
Top integrated vacuum pump mounting flange, the vavuum pump mounting flange are made up of sealing surface, fixed bolt hole and lightening recesses, and
It is connected around vavuum pump mounting flange provided with reinforcing rib structure with surrounding screw.
7. multifunctional engine front shroud lid arrangement according to claim 1, it is characterised in that integrated below the step surface
Crankshaft oil seal mounting seat, the crankshaft oil seal mounting seat are made up of crankshaft oil seal hole and oil sealing locating surface.
8. multifunctional engine front shroud lid arrangement according to claim 6, it is characterised in that the step surface lower end adds
Speed probe mounting bracket is integrated at strengthening tendons structure, the speed probe mounting bracket is by sensor mounting hole and sensor
Installation bolt hole forms.
9. multifunctional engine front shroud lid arrangement according to claim 6, it is characterised in that the vavuum pump Method for Installation
Orchid, crankshaft oil seal mounting seat, speed probe mounting bracket and front cover carry out integral cast or punch forming.
10. multifunctional engine front shroud lid arrangement according to claim 2, it is characterised in that adjacent two arcwall face passes through
Knuckle connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720649679.6U CN206987974U (en) | 2017-06-06 | 2017-06-06 | A kind of multifunctional engine front shroud lid arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720649679.6U CN206987974U (en) | 2017-06-06 | 2017-06-06 | A kind of multifunctional engine front shroud lid arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206987974U true CN206987974U (en) | 2018-02-09 |
Family
ID=61396317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720649679.6U Active CN206987974U (en) | 2017-06-06 | 2017-06-06 | A kind of multifunctional engine front shroud lid arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206987974U (en) |
-
2017
- 2017-06-06 CN CN201720649679.6U patent/CN206987974U/en active Active
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