CN209212881U - A kind of shock-proof crank wheel and its mounting structure, engine and vehicle - Google Patents
A kind of shock-proof crank wheel and its mounting structure, engine and vehicle Download PDFInfo
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- CN209212881U CN209212881U CN201822047915.4U CN201822047915U CN209212881U CN 209212881 U CN209212881 U CN 209212881U CN 201822047915 U CN201822047915 U CN 201822047915U CN 209212881 U CN209212881 U CN 209212881U
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- engine
- shock
- wheel
- crankshaft
- proof crank
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Abstract
The utility model is suitable for engine, technical field of vehicle, discloses a kind of shock-proof crank wheel and its mounting structure, engine and vehicle.Shock-proof crank wheel includes the wheel body in the engine front cover plate, and the wheel body includes wheel hub for connecting with crankshaft, is sheathed on the inertia rings of the wheel hub, and the rubber ring being set between the inertia rings and the wheel hub.Mounting structure has above-mentioned shock-proof crank wheel.Engine has above-mentioned mounting structure.The vehicle has above-mentioned engine.A kind of shock-proof crank wheel and its mounting structure, engine and vehicle provided by the utility model, it is by the way that shock-proof crank wheel to be set in engine, crankshaft is without needing guiding through engine front cover plate, engine front cover plate no setting is required perforation and oil sealing, the rotary resistance of crankshaft is small, and engine friction is opposite to be reduced, conducive to reduction complete-vehicle oil consumption, and can reduce engine noise and be transferred to external approach, to improve the NVH of engine, user's riding experience is more preferably.
Description
Technical field
The utility model belong to engine, technical field of vehicle more particularly to a kind of shock-proof crank wheel and its mounting structure,
Engine and vehicle.
Background technique
Prior art shock-proof crank wheel (shock-proof crank pulley) is arranged in outside engine front cover plate, and crankshaft passes through
Engine front cover plate simultaneously necessarily causes engine friction to increase by oil sealing sealing due to the presence of oil sealing, and complete-vehicle oil consumption about increases
Add 0.5g/Kwh, and has certain oil leak risk；Moreover, engine interior noise passes through crankshaft microcephaly, front shroud, shock-proof crank wheel
It is transmitted to outside, causes engine NVH (english abbreviation of Noise, Vibration, Harshness) poor, influences riding experience.
Utility model content
The utility model aims to solve at least one of above-mentioned technical problem, provides a kind of shock-proof crank wheel and its installation knot
Structure, engine and vehicle are conducive to reduce oil consumption, user's riding experience more preferably.
The technical solution of the utility model is: a kind of shock-proof crank wheel, including the wheel body being located in engine front cover plate, institute
Wheel body is stated to include wheel hub for connecting with crankshaft, be sheathed on the inertia rings of the wheel hub, and be set to the inertia rings with
Rubber ring between the wheel hub.
Optionally, the shock-proof crank wheel is additionally provided with oil baffle structure, and the oil baffle structure is to be fixedly connected or integrally connect
It is connected to the rib of the wheel hub, the rib is located at side of the rubber ring far from the engine front cover plate.
Optionally, there is gap between the rib and the inertia rings and rubber ring；Alternatively,
The rib is affixed on the inertia rings and has gap between the rubber ring；Alternatively,
The rib is affixed on the inertia rings and the rubber ring.
Optionally, the rubber ring is made of hydrogenated nitrile-butadiene rubber.
The utility model additionally provides a kind of mounting structure of shock-proof crank wheel, including engine front cover plate and crankshaft, also
Including a kind of above-mentioned shock-proof crank wheel, the end of the crankshaft is located on the inside of the engine front cover plate, before the engine
For cover board relative to being enclosed construction at the crankshaft, the wheel hub in the shock-proof crank wheel is fixedly connected on the end of the crankshaft
Portion.
Optionally, the accommodating cavity for accommodating the wheel body is provided on the inside of the engine front cover plate.
Optionally, the wheel hub is provided with for the mounting hole that protrudes into of end for the crankshaft, the wheel hub toward
It is provided with locking member on one side on the inside of the engine front cover plate, is threadedly connected to the crankshaft and for fixing the wheel
Hub.
Optionally, positioning key is provided between the periphery of the crankshaft and the mounting hole of the wheel hub.
The utility model additionally provides a kind of engine, and the engine has a kind of installation of above-mentioned shock-proof crank wheel
Structure.
The utility model additionally provides a kind of vehicle, and the vehicle has above-mentioned engine.
A kind of shock-proof crank wheel and its mounting structure, engine and vehicle provided by the utility model, by will be bent
Axis damping wheel is set in engine, and crankshaft is without needing guiding through engine front cover plate, engine front cover plate no setting is required perforation and oil
Envelope, the rotary resistance of crankshaft is small, and engine friction is opposite to be reduced, and is conducive to reduce complete-vehicle oil consumption, and can reduce engine noise
It is transferred to external approach, to improve the NVH of engine, user's riding experience is more preferably.
Detailed description of the invention
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of diagrammatic cross-section of shock-proof crank wheel provided by the embodiment of the utility model；
Fig. 2 is a kind of diagrammatic cross-section of the mounting structure of shock-proof crank wheel provided by the embodiment of the utility model；
Fig. 3 is a kind of stereoscopic schematic diagram of the mounting structure of shock-proof crank wheel provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It should be noted that term " setting ", " connection " shall be understood in a broad sense, for example, it may be directly setting, connection,
It can also be arranged indirectly by component placed in the middle, center configuration, be connected.
If in addition, have in the utility model embodiment " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper",
The orientation of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" or position are closed
The term of system, to be based on the orientation or positional relationship shown in the drawings or conventional placement status or use state, merely to
Convenient for describing the utility model and simplifying description, rather than structure, feature, device or the element of indication or suggestion meaning must have
There is specific orientation or positional relationship, nor is it necessary that and be constructed and operated in a specific orientation, therefore should not be understood as to this reality
With novel limitation.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
Described each particular technique feature and each embodiment in a specific embodiment, in the case of no contradiction,
It can be combined in any appropriate way, such as can be with shape by different particular technique feature/embodiment combinations
At different embodiments, in order to avoid unnecessary repetition, each particular technique feature/embodiment is each in the utility model
No further explanation will be given for the possible combination of kind.
As shown in Figure 1 to Figure 3, a kind of shock-proof crank wheel (also referred to as shock-proof crank belt provided by the embodiment of the utility model
Wheel), the wheel body 10 when including installation in engine front cover plate 92 is integrally located at motor body when that is, wheel body 10 is installed
It is interior.The wheel body 10 includes wheel hub 1 for connecting with crankshaft 91, is sheathed on the inertia rings 2 of wheel hub 1, and is set to inertia
Rubber ring 3 between ring 2 and wheel hub 1, wheel hub 1 can connect in the small end of crankshaft 91, and the inertia of inertia rings 2 can determine that crankshaft subtracts
The intrinsic frequency of belt pulley is shaken, to determine the torsional oscillation size of engine, inertia rings 2 and wheel hub 1 are connected as one by rubber ring 3
Body, and rubber ring 3 can splash in machine oil and high temperature under reliable, persistently work, in this way, crankshaft 91 is without needing guiding through engine front cover
Plate 92, no setting is required perforation and the oil sealing of engine front cover plate 92, the rotary resistance of crankshaft 91 is small, and engine friction is opposite to be reduced,
Conducive to reduction complete-vehicle oil consumption, and it can reduce engine noise and be transferred to external approach, so that the NVH of engine is improved, benefit
In raising user experience.
Specifically, shock-proof crank wheel is additionally provided with the oil baffle structure for being sputtered onto rubber ring 3 for preventing or reducing machine oil, gear
Oily structure is the rib 11 for being fixedly connected with or being integrally connected to wheel hub 1, and rib 11 is located at rubber ring 3 far from engine front cover plate 92
Side.Rib 11 can be used for preventing or reducing sputtering of the high temperature oil to rubber ring 3, in concrete application, 11 top of rib away from
Be greater than or equal to a distance from wheel body 10 (wheel hub 1) central axes 3 periphery of rubber ring apart from wheel body 10 (wheel hub 1) central axes away from
From that is, the height of rib 11 should be equal to or higher than rubber ring 3.Due to the barrier effect of rib 11, when crankshaft 91 rotates, machine oil
It is not easy to be sputtered onto rubber ring 3, it is of good reliability conducive to the further service life for extending rubber ring 3.In the present embodiment, rib 11
Whole is in circular ring shape, and rib 11 is shaped in the periphery of wheel hub 1 and (wheel hub 1 is toward starting close to the inside of wheel hub 1
The side of machine front shroud 92 is defined as the outside of wheel hub 1), high temperature oil sputtering rubber ring 3 can be reduced, shock-proof crank belt is improved
The service life of wheel.
In concrete application, as the first rib design scheme, between having between rib 11 and inertia rings 2 and rubber ring 3
Gap, when rubber ring 3 assembles, it is possible to create certain deformation, preset gap is conducive to assembly and rubber ring 3 radiates；Alternatively, making the
Two kinds of rib design schemes, rib 11 are affixed on inertia rings 2 and have gap between rubber ring 3, can more effectively avoid machine
Oil splashes to rubber ring 3 and convenient for assembly；Alternatively, making the third rib design scheme, rib 11 is affixed on inertia rings 2 and rubber ring
3.Certainly, oil baffle structure (rib 11) can also use other suitable structures.
Optionally, rubber ring 3 can be oil resistant rubber ring, and hydrogenated nitrile-butadiene rubber (English abbreviation HNBR or H- can be used
NBR it) is made, there is good tolerance in high temperature oil sputtering and high-temperature oil mist environment.Certainly, rubber ring 3 can also be adopted
It is made of other suitable materials.
Optionally, the periphery of wheel hub 1 may be provided with limited ring groove 12, and the limit of protrusion can be set in the inner circumferential of inertia rings 2
Position bulge loop 21, limited ring groove 12 can be aligned in the axial direction with position limiting convex ring 21 and be separated by rubber ring 3, the corresponding limit of rubber ring 3
Adaptability deformation, high reliablity are generated at position annular groove 12 and stop collar.Rubber ring 3 is filled in periphery and the inertia rings 2 of wheel hub 1
Between inner circumferential side wall, wheel hub 1 and inertia rings 2 can be made of rigid material, such as metal etc..In concrete application, stop collar
Slot 12 and position limiting convex ring 21 can be set one group, two or more sets.The section of limited ring groove 12 and position limiting convex ring 21 can be in three
It is angular, trapezoidal etc..
The utility model embodiment additionally provides a kind of mounting structure of shock-proof crank wheel, including 92 He of engine front cover plate
Crankshaft 91 further includes a kind of above-mentioned shock-proof crank wheel, and the end of crankshaft 91 is located on the inside of engine front cover plate 92, before engine
For cover board 92 relative to being enclosed construction at crankshaft 91, the end that the wheel hub 1 in shock-proof crank wheel is fixedly connected on crankshaft 91 is (small
End), 91 small end of crankshaft is without engine front cover plate 92 is needed guiding through, and no setting is required at the small end of the corresponding crankshaft 91 of engine front cover plate 92
Perforation and oil sealing, the rotary resistance of crankshaft 91 is small, and engine friction is opposite to be reduced, and is conducive to reduce complete-vehicle oil consumption, and can reduce
Engine noise is transferred to external approach, to improve the NVH of engine, is conducive to improve user experience.
Specifically, the accommodating cavity 920 for accommodating wheel body 10 (shock-proof crank wheel) is provided on the inside of engine front cover plate 92,
Accommodating cavity 920 can in the form of annular discs and diameter be slightly larger than the diameter of wheel body 10 (inertia rings 2), shock-proof crank wheel is installed on crankshaft 91
Small end and after covering engine front cover plate 92, accommodating cavity 920 covers in shock-proof crank wheel, and machine oil is not easy to splash to shock-proof crank wheel
Outside, conducive to the service life for further increasing rubber ring 3.
Specifically, wheel hub 1 is provided with the mounting hole 13 protruded into for the end (small end of crankshaft 91) for crankshaft 91, wheel hub
1 is provided with locking member 4 toward 92 inside of engine front cover plate on one side, which is threadedly connected to crankshaft 91 and is used for
Stationary hub 1.Locking member 4 can be bolt, and bolt passes through the center of metal gasket 5 and is threadedly connected to the end center of crankshaft 91
On screw hole.Metal gasket 5 is pressed in wheel hub 1 toward the one side (lateral surface) of 92 inside of engine front cover plate.
Specifically, positioning key 6 is provided between the periphery of crankshaft 91 and the mounting hole 13 of wheel hub 1, the side of crankshaft 91 can
To be provided with keyway, the section of keyway can be arched or semicircle, and positioning key 6 is matched with the shape of keyway.The office of positioning key 6
Portion can expose to mounting hole 13, in order to assemble.
By the way that shock-proof crank wheel is arranged in engine interior, reduces the use of crankshaft front oil seal-mounting, reduce engine and rub
Wipe resistance；Reduce an engine interior noise transmission path simultaneously, improves NVH.Rubber ring 3 high temperature oil sputtering and
It works in high-temperature oil mist environment, wheel hub 1 is designed using rib 11 (oil baffle), is reduced high temperature oil and is sputtered rubber ring 3, is improved bent
The axis damper pulley service life.
The utility model embodiment additionally provides a kind of engine, and engine has a kind of peace of above-mentioned shock-proof crank wheel
Assembling structure, by the way that shock-proof crank wheel to be arranged in engine, 91 small end of crankshaft is without being pierced by outside engine, engine front cover
No setting is required perforation and the oil sealing of plate 92, the rotary resistance of crankshaft 91 is small, and engine friction is opposite to be reduced, and is conducive to reduce vehicle oil
Consumption, and can reduce engine noise and be transferred to external approach, to improve the NVH of engine, it is conducive to improve user experience.
The utility model embodiment additionally provides a kind of vehicle, and vehicle has above-mentioned engine, is conducive to improve engine
NVH, user experience is more preferably.
A kind of shock-proof crank wheel and its mounting structure, engine and vehicle provided by the utility model embodiment lead to
It crosses and shock-proof crank wheel is set in engine, crankshaft 91 is not necessarily to without engine front cover plate 92, engine front cover plate 92 is needed guiding through
Setting perforation and oil sealing, the rotary resistance of crankshaft 91 is small, and engine friction is opposite to be reduced, and is conducive to reduce complete-vehicle oil consumption, and can be with
Reduce engine noise and be transferred to external approach, to improve the NVH of engine, user's riding experience is more preferably.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modification, equivalent replacement or improvement etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. a kind of shock-proof crank wheel, which is characterized in that including the wheel body being located in engine front cover plate, the wheel body includes being used for
The wheel hub that connect with crankshaft is sheathed on the inertia rings of the wheel hub, and is set between the inertia rings and the wheel hub
Rubber ring.
2. a kind of shock-proof crank wheel as described in claim 1, which is characterized in that the shock-proof crank wheel is additionally provided with gear oil knot
Structure, the oil baffle structure are the rib for being fixedly connected with or being integrally connected to the wheel hub, and it is remote that the rib is located at the rubber ring
Side from the engine front cover plate.
3. a kind of shock-proof crank wheel as claimed in claim 2, which is characterized in that the rib and the inertia rings and rubber ring
Between have gap；Alternatively,
The rib is affixed on the inertia rings and has gap between the rubber ring；Alternatively,
The rib is affixed on the inertia rings and the rubber ring.
4. a kind of shock-proof crank wheel as described in claim 1, which is characterized in that the rubber ring uses hydrogenated nitrile-butadiene rubber system
At.
5. a kind of mounting structure of shock-proof crank wheel, including engine front cover plate and crankshaft, which is characterized in that further include such as right
It is required that a kind of shock-proof crank wheel described in any one of 1 to 4, the end of the crankshaft is located on the inside of the engine front cover plate,
For the engine front cover plate relative to being enclosed construction at the crankshaft, the wheel hub in the shock-proof crank wheel is fixedly connected on institute
State the end of crankshaft.
6. a kind of mounting structure of shock-proof crank wheel as claimed in claim 5, which is characterized in that in the engine front cover plate
Side is provided with the accommodating cavity for accommodating the wheel body.
7. a kind of mounting structure of shock-proof crank wheel as claimed in claim 5, which is characterized in that the wheel hub, which is provided with, to be used for
For the mounting hole that the end of the crankshaft is protruded into, the wheel hub is provided with lock toward on the inside of the engine front cover plate on one side
Tight part is threadedly connected to the crankshaft and for fixing the wheel hub.
8. a kind of mounting structure of shock-proof crank wheel as claimed in claim 7, which is characterized in that the periphery of the crankshaft and institute
It states and is provided with positioning key between the mounting hole of wheel hub.
9. a kind of engine, which is characterized in that the engine has the koji as described in any one of claim 5 to 8
The mounting structure of axis damping wheel.
10. a kind of vehicle, which is characterized in that the vehicle has engine as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822047915.4U CN209212881U (en) | 2018-12-06 | 2018-12-06 | A kind of shock-proof crank wheel and its mounting structure, engine and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822047915.4U CN209212881U (en) | 2018-12-06 | 2018-12-06 | A kind of shock-proof crank wheel and its mounting structure, engine and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212881U true CN209212881U (en) | 2019-08-06 |
Family
ID=67463428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822047915.4U Active CN209212881U (en) | 2018-12-06 | 2018-12-06 | A kind of shock-proof crank wheel and its mounting structure, engine and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209212881U (en) |
-
2018
- 2018-12-06 CN CN201822047915.4U patent/CN209212881U/en active Active
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