CN107191243A - Machine oil oil filler assembly - Google Patents
Machine oil oil filler assembly Download PDFInfo
- Publication number
- CN107191243A CN107191243A CN201610143456.2A CN201610143456A CN107191243A CN 107191243 A CN107191243 A CN 107191243A CN 201610143456 A CN201610143456 A CN 201610143456A CN 107191243 A CN107191243 A CN 107191243A
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- CN
- China
- Prior art keywords
- oil filler
- oil
- main part
- elastic arm
- projection
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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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/04—Filling or draining lubricant of or from machines or engines
- F01M11/0458—Lubricant filling and draining
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/04—Filling or draining lubricant of or from machines or engines
- F01M2011/0491—Filing cap with special features
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of machine oil oil filler assembly, including：Oil filler；The protective cover separably combined by the first fit structure with oil filler；The filler cap separably combined by the second fit structure with protective cover；Wherein so that the first torque of the first fit structure separation is more than the second torque for causing the separation of the second fit structure.
Description
【Technical field】
The present invention relates to a kind of machine oil oil filler assembly.
【Background technology】
It is well known that machine oil is for the normal operating of vehicle and lubricates extremely important, thus starting in vehicle
Machine oil oil filler is generally comprised on machine to provide the passage of machine oil perfusion, and oil filler then can be by lid come close
Seal to ensure the security performance of vehicle.In practical operation, often machine oil splashing may occur for filling engine oil
Etc. undesirable situation, it is therefore desirable to provide a kind of oil filler design having improved properties.
For example, United States Patent (USP) US8,240,281 disclose a kind of end cap for explosive motor, and it includes,
End cap connects projection and the engine oil inlet formed thereon, and the oiling that projection is separably combined is connected with end cap
Lid, the protective bulkhead for preventing oil from flowing formed around projection is connected around end cap, is connected in protective bulkhead and end cap
Trapping machine oil portion is formed between projection.
【The content of the invention】
According to an aspect of the present invention, a kind of machine oil oil filler assembly is disclosed, including：Oil filler；With
The protective cover that oil filler is separably combined by the first fit structure；Pass through the second fit structure with protective cover
The filler cap separably combined；Wherein so that the first fit structure separation needed for the first torque be more than make
Obtain the second torque needed for the separation of the second fit structure.
In one embodiment, wherein the first fit structure includes elastic arm, at least when applying the first torque,
Elastic arm is at least in part against oil filler.
In another embodiment, protective cover includes hollow main part and the oil collection part around main part, main
Body portion one end is provided with the first external screw thread and is connected to form the first fit structure with oil filler, and filler cap passes through it
Second external screw thread of upper setting and the other end of main part connect and form the second fit structure, wherein outside first
Screw thread includes the elastic arm extended along the first external screw thread contour, and when applying the first torque, elastic arm is at least
Partly against oil filler.
In yet another embodiment, elastic arm is symmetrically arranged two elastic arms.
In yet another embodiment, projection is provided with oil filler, elastic arm includes deviating from close to its end
The axial centre of main part and the projection stretched out, at fully-mounted position, projection is against projection.
In yet another embodiment, projection has the first surface of close end and is relatively distant from the second of end
First acute angle of the contour of surface, first surface and elastic arm is more than the contour of second surface and elastic arm
The second acute angle formed.
In yet another embodiment, projection has the first surface of close end and is relatively distant from the second of end
Surface, the surface roughness of first surface is more than second surface.
In yet another embodiment, projection has the first surface of close end and is relatively distant from the second of end
Surface, has smooth transition region between first surface and second surface.
In yet another embodiment, wherein elastic arm is located at the first externally threaded tooth bottom position of main part.
In yet another embodiment, wherein the first external screw thread and the second external screw thread have outside the screw thread being substantially the same
Footpath.
In yet another embodiment, wherein main part includes substantially along axle at the position being connected with oil filler
The resilient legs extended to center line.
In yet another embodiment, wherein edge of the oil collection part away from main part is towards the direction of filler cap
Periphery wall is bent to form, the contour length of periphery wall is more than all line lengths of main part, axle of the periphery wall in main part
There is the height less than main part on to direction.
According to another aspect of the present invention there is provided a kind of vehicle engine oil oil filler assembly, including：Formed
The oil filler that hood is covered；The protective cover separably combined by the first threaded connection with oil filler；
The filler cap separably combined by the second threaded connection with protective cover；Wherein the first screw thread include along
The elastic arm of its contour extension, at least when applying moment of torsion separation oil filler with protective cover, elastic arm at least portion
Divide ground against oil filler.
In one embodiment, wherein protective cover includes hollow main part and the oil collection part around main part,
The direction of the oil collection part edge away from main part towards filler cap is bent to form periphery wall, wherein periphery wall
Contour length be more than main part all line lengths, periphery wall on the axial direction of main part have be less than main body
The height in portion.
In another embodiment, elastic arm is symmetrically arranged two elastic arms.
In yet another embodiment, projection is provided with oil filler, elastic arm includes deviating from close to its end
The projection that the axial centre of main part stretches out, at fully-mounted position, projection is against projection.
In yet another embodiment, projection has the first surface of close end and is relatively distant from the second of end
First acute angle of the contour of surface, first surface and elastic arm is more than the contour of second surface and elastic arm
The second acute angle formed.
In yet another embodiment, wherein elastic arm is located at the externally threaded tooth bottom position of main part.
In yet another embodiment, wherein the first external screw thread and the second external screw thread have outside the screw thread being substantially the same
Footpath.
According to another aspect of the present invention there is provided a kind of including the oil filler assembly described in example is performed as described above
Vehicle.
It should be appreciated that providing above-mentioned brief description is used to be introduced into simplified form that one will to be entered in detailed description
Walk a series of concept of selections of description, its do not mean that confirm the crucial of protected present subject matter or
Basic feature, the scope of the present invention will uniquely be defined by claims hereof.In addition, being protected
Theme be not limited to overcome the embodiment of any shortcoming above or in this specification described by any part.
Individually or it is read in conjunction with the figure following embodiment, above-mentioned advantage of the invention and further advantage
And feature will become obvious.
【Brief description of the drawings】
In order to be more fully understood from embodiments of the invention, should with reference to illustrate in more detail in the accompanying drawings with
And the embodiment being hereinafter illustrated by way of example, wherein：
Fig. 1 schematically depict machine oil oil filler overall positions in the one or more embodiments of the application and illustrate
Figure；
Fig. 2 schematically depict the decomposition of machine oil oil filler assembly in the one or more embodiments of the application
Figure；
Fig. 3 schematically depict oiling oral shield side view in the one or more embodiments of the application；
Fig. 4 schematically depict the section view along A-A hatchings in Fig. 3 oiling oral shield embodiment
Figure；
Fig. 5 schematically depict the section view along C-C hatchings in Fig. 3 oiling oral shield embodiment
Figure；And
Fig. 6 schematically shows the enlarged schematic partial view in E regions in Fig. 5.
【Embodiment】
As needed, the specific embodiment of the present invention is disclosed in present specification；It is, however, to be understood that
The embodiment disclosed herein is only the example of the invention that can be implemented by a variety of, alternative form.Accompanying drawing without
It need to be drawn to scale；Some features can be expanded or shunk to show the details of particular elements.Identical or class
As reference may indicate that identical parameters similar modifications and substitutions thing with part or therewith.Below
In description, multiple operating parameters and part are described in multiple embodiments of conception.These specific parameters
Only it is not meant to limit as example in this manual with part.Therefore, disclosed in this specification
Concrete structure and function detail should not be construed limitation, and be only used for instructing those skilled in that art
Implement the representative basis of the present invention in a variety of forms.
Machine oil mouthful and engine oil port cover are the important components of vehicle, and a design more commonly used is by machine oil mouthful
Formation is covered in hood enables filling engine oil to be directly entered in engine block, now needs offer machine
Oil port cover carrys out sealer hydraulic fluid port to ensure security.During actual filling engine oil, often occur
The problems such as machine oil splashes, depending on the position of oil filler, the splashing of machine oil mouthful is likely to affect vehicle
Energy and the satisfaction of user, such as when oil filler is close to front-end module and motor position.In this regard, user can
To solve using extra funnel, or the design of oil filler can be changed to meet the need for preventing splashing
Ask.For production firm, different automobile types can have different oil filler positions and oil filler assembly
Design, present inventors appreciate that, in order to provide vehicle blanket oil filler assembly, extra pin
The design comparison that different automobile types are changed with filler cap is complicated, thus present inventor is at one or many
A kind of protective cover for adapting to existing oil filler and filler cap is provided in individual embodiment, it is believed that its
It can solve the problem that one or more limitations mentioned herein or in specification other parts.
Fig. 1 schematically depict machine oil oil filler overall positions in the one or more embodiments of the application and illustrate
Figure.As illustrated, may include oil filler assembly 200 on engine 100, depending on the tool of vehicle motor
Body is designed, and the particular location of oil filler assembly 200 can change.In the example depicted in fig. 1, it is formed
On the side of engine.
Fig. 2 schematically depict point of machine oil oil filler assembly 200 in the one or more embodiments of the application
Xie Tu.As illustrated, machine oil oil filler assembly 200 includes：Oil filler 220；Pass through with oil filler 220
The protective cover 240 that one fit structure 201 is separably combined；Pass through the second fit structure 202 with protective cover 240
The filler cap 260 separably combined, wherein the torque needed for causing the separation of the first fit structure 201 can
Be defined as the first separation torque τ 1, and cause the second fit structure 202 separate needed for torque may be defined as the
Two separation torque τ 2, wherein the first separation torque τ 1 is more than the second separation torque of the second fit structure 202
τ2.It should be understood that first separation torque τ 1 and the second separation torque τ 2 are instigated and are obtained first fit structure
201 and second the separation of fit structure 202 need the minimum torque that applies, and the He of the first fit structure 201 before this
Second fit structure 202 should also be in the connection status of normal design, for example in the illustrated example shown in fig. 2,
The connection status of normal design can refer to screw thread 264 and screw thread 244 rotates to the final installation company of manufacturer's design
Position is connect, that is to say, that at this link position, it is impossible to further screw, if continuing to screw may
The first fit structure 201 and the second fit structure 202 are destroyed, and before this position, it may not be possible to it is completely real
Existing sealed effect.The advantage of this structure is in particular, in that by the setting of different separation torques, unclamp second
Fit structure 202 needs to apply bigger torque than unclamping the first fit structure 201.So, in refueling process
In, client can open engine oil port cover 260 by a less torque such as τ 2, without related opening
The connection of protective cover 240 and machine oil mouthful 220.
In one or more examples, protective cover 240 may also include hollow main part 241 and from main part
241 oil collection parts 242 around main part 241 extended.The one end of main part 241 is provided with the first external screw thread
244 are connected the first fit structure 201 of formation with oil filler 220, and filler cap 260 has user exercisable
Cap portion 262 and the formation being connected with cap portion 262 have the connecting portion of the second external screw thread 264, oil filler
Lid 260 is connected with the other end of main part 241 by the second external screw thread 264 and forms the second fit structure 202.
As shown in Fig. 2 in one example, wherein the first fit structure 201 may include elastic arm 246.Elastic arm
246 extensible main bodies, and with can relative to the radial compression of main part 241 end.So, it is elastic
Arm 246 can at least in its end position against oil filler 220 so as to applying the reverse moment of resistance, cause release the
The torque of one fit structure 201 can be more than the torque for unclamping second fit structure 202.In some instances,
When complete connection install when, elastic arm 246 at least in its end position naturally against oil filler 220, another
In a little examples, when completing connection installation, elastic arm 246 is not at least in its end position against oil filler
220, and when unclamping connection, when applying the torque of separation, elastic arm 246 is at least in its end position meeting
Against oil filler 220.Although in the example of diagram, the first and second fit structures 201,202 are all formed as
The structure of threaded connection, those skilled in that art are envisioned that other alternative connected modes, including
But it is not limited to snap connection, frictional connection or land-groove coordinate etc..Equally in other attachment structures
In, the structure similar to the elastic arm 246 in above-mentioned example can also be provided to apply the reverse moment of resistance,
So that unclamp the first fit structure 201 needs to apply bigger torque than unclamping the second fit structure 202.
With continued reference to Fig. 2, in one non-limiting embodiment, wherein outside the first external screw thread 244 and second
Screw thread 264 can have the major diameter of thread being substantially the same or size.In other words, with the second external screw thread 264
Filler cap 260 can directly coordinate with oil filler 220.It is such that the oiling for causing existing vehicle is set
Mouthfuls 220 and filler cap 260 can as universal component without making specific change for vehicle,
And the protective cover 240 of middle oil filler 220 can meet extra demand as adapter.This knot
The advantage of structure is in particular, in that manufacturing cost can be reduced.Certainly, in other examples, the first external screw thread
244 and second external screw thread 264 can also have different major diameter of threads as needed, now in the middle of protective cover
240 changes that can make adaptability meet the filler cap 260 at two ends and the connection need of oil filler 220
Ask.
The specific embodiment on protective cover 240 is explained further in 3-6 below with reference to the accompanying drawings.Fig. 3 illustrates
Describe to property the side view of oiling oral shield 240 in the one or more embodiments of the application.With continued reference to
Fig. 2, with reference to Fig. 3, in one or more embodiments, oiling oral shield 240 includes axially extending
Main part 241 and the oil collection part 242 around main part 241 circumferentially extended along main part 241, its
Side 243 of the middle oil collection part 242 away from main part 241 is bent to form periphery towards the direction of filler cap 260
Wall 243, in an illustrated embodiment the contour length of periphery wall 243 be more than main part 241 opening contour
Long, in non-limiting example as shown in Figure 3, the diameter D1 of periphery wall 243 is more than main part 241
Opening diameter D2 so that between periphery wall 243 and main part 241 formed machine oil storage space
245.User add machine oil when, open filler cap 260 can to protective cover 240 main part 241
Interior addition machine oil, and the oil for splashing or splashing may collect in the space 245 of the oil-collecting of protective cover 240
It is interior.Collection can be then cleared up by unclamping the connection of protective cover 240 and oil filler 220 in space 245
Interior machine oil.In another example, periphery wall 243 has on the axial direction of main part 241 to be less than
, there is height difference H d therebetween as shown in Figure 3 in the height of main part 241.Main part 241 is higher than periphery wall
243 enable during addition machine oil user to be easy to the position of locating aperture, and the container of machine oil is not yet
It can be interfered with periphery wall 243.Although in above-mentioned example, periphery wall 243 and main part 241 are distinguished
With diameter D1 and D2, it is meant that it is generally circular cross-section, it is possible to understand that depending on application-specific, example
Such as difference (such as buckle structure) of connected mode, periphery wall 243 and main part 241 can have non-
Circular section.The setting of particularly periphery wall 243 can have a variety of different shapes.
With continued reference to Fig. 2-Fig. 3, in one or more embodiments, the of the formation of oiling oral shield 240
One external screw thread 244 includes the elastic arm 246 extended along the contour of the first external screw thread 244, is tightening protection
During the connection of cover 240 and oil filler 220, elastic arm 246 can be compressed in its radial direction.At least exist
When the first torque of application unclamps above-mentioned connection, at least part of position of elastic arm 246 can be against oil filler
220 inner side applies the moment of resistance.This is for the external diameter of the first screw thread of identical 244 and the second screw thread 264
The example of external diameter can provide extra advantage, because general when unclamping filler cap 260 be not intended to together
The connection of Shi Songkai protective covers 240 and oil filler 220, to unclamp and refuels by the setting of additional friction square
Will not related release protective cover 240 during lid 260.In one or more embodiments, wherein elastic arm 246
Positioned at the tooth bottom position of the first external screw thread 244 of main part 241.
Alternatively, in order to increase better seal effect, also sealing ring 320 is provided in one end of screw thread 244.
When protective cover 240 is in final installation site, sealing ring 320 is sandwiched in protective cover 240 and oil filler
To provide sealing between 220.
Fig. 4 schematically depict in the embodiment of Fig. 3 oiling oral shield 240 along A-A hatchings
Sectional view.With continued reference to Fig. 2-Fig. 3, and with further reference to Fig. 4, in one embodiment, main part
241 include the resilient legs of generally axially center line extension at the position being connected with oil filler 220
410.The inside of main part 241, which includes projection 420, is used for the second external screw thread 264 with filler cap 260
Connection, the second external screw thread 264 of filler cap 260 is also with similar resilient legs knot in one example
Structure (is not shown, with reference to 410) so that user enables to projection 420 towards during grafting
The direction of axis line elasticity of compression supporting leg of two external screw threads 264, bullet can be recovered when grafting completes to start rotation
The normal condition of property supporting leg and give user's grafting feel in place or auditory tone cues.In one example,
The inside of main part 241 includes two projections 420.
Fig. 5 schematically depict the section view along C-C hatchings in Fig. 3 oiling oral shield embodiment
Figure, with reference to Fig. 2-Fig. 4 and with further reference to Fig. 5, it is one or more it is non-limiting in there is provided along
First external screw thread 244 circumferentially extending symmetrically arranged two elastic arms 246a and 246b (below or its
At his position its any one or both can be described as elastic arm 246).The setting of a pair of elastic arms 246 makes
More balance and stability must be connected and reliable.The inner side of oil filler 220 be provided with projection 660 (referring to Fig. 6,
It can be similar to the projection 420 of the inner side of main part 241), for cooperatively forming the with the first external screw thread 244
One fit structure 201.With continued reference to Fig. 5, In yet another embodiment, elastic arm 246 is included close to it
The axial centre away from main part of free end and the projection that stretches out sets E marks in 510, such as figure
Know, at fully-mounted position, projection 510 is against the projection set in oil filler.In installation process,
The projection 660 (referring to the projection 420 in main part 241) set in oil filler 220 can relatively edge
The tooth bottom helical rotation of the first external screw thread 244, when projection is moved to region E, due to elastic arm 246
Can be along radial compression, projection can cross the projection 510 in the E of region so as to complete connection, now also
Client can extraly be given and tighten prompting in place.It should be noted that this specification is herein or other positions
Description " movement ", " rotation " is the relative motion of relatively another part, such as in actual operation
In, projection 660 can't be rotated, but the first external screw thread 244 of protective cover 240 is rotated.In figure
In non-limiting example shown in 5, a pair of symmetrical resilient legs 410 are additionally provided, it, which can coordinate, adds
Projection 660 in hydraulic fluid port 220 provides the above-mentioned advantage on resilient legs.
Fig. 6 schematically shows the enlarged schematic partial view in E regions in Fig. 5.With continued reference to Fig. 2-Fig. 5,
And Fig. 6 is combined, in another or multiple embodiments, projection 510 has close to (the free end of end 610
Portion) first surface 620 and be relatively distant from the second surface 630 of end 610, first surface 620 and bullet
Property arm 246 contour the first acute angle A be more than second surface 630 and elastic arm 246 contour formed
The second acute angle B.As described in other parts in this specification, the advantage of this structure is at least that energy
Enough provide less mounting torque and required larger separation torque.Alternatively, with reference to Fig. 6, projection 510
First surface 620 and second surface 630 between can have smooth transition region 640 to ensure installation process
In smooth and less abrasion.
With continued reference to Fig. 6, in order to become apparent from the first external screw thread of display 244 and the assembling of the inner side of oil filler 220
Process, schematically shows a projection 660 of the inner side of oil filler 220, protective cover 240 is pacified herein
When being attached to oil filler 220, the projection 660 of the inner side of oil filler 220 can be relatively along the tooth bottom of screw thread 244
Activity is relatively moved (as described above, herein so as to the elastic arm 246 set along tooth bottom along R directions
Relative motion is described, and in practical operation, projection 660 can't be rotated, but the of protective cover 240
One external screw thread 244 is rotated), first by second surface 630, because included angle B is smaller, it is meant that the
The gradient on one surface 630 is smaller, so projection 660 is relatively easily towards the radial center of elastic arm 246
Compress projection 510 and by first surface 630, then slide into transition region 640, now projection 510 is by most
Compressed towards the radial center of elastic arm 246 to big degree, round and smooth transition region 640 ensures in this embodiment
Smooth and less abrasion in installation process, subsequent projection 660 is by first surface 620 and rests on
Position shown in dotted line frame 660, that is to say, that in this non-limiting example, protective cover 240 is relative to adding
The final installed position of hydraulic fluid port 220, projection 510 can be against projection 660.By protective cover 240 and plus
When hydraulic fluid port 220 is separated, projection 660 is firstly the need of the resistance for overcoming first surface 620, due to included angle A
Relative angle B is larger, now it is also required to provide the torque bigger compared with the torque tightened to cause projection 660
It is moved through first surface 620.It is appreciated that angle A and B not necessarily there is above-mentioned size to set,
Angle can also be equal in other examples.For example, in an alternative embodiment, projection 510 is close to end
The surface roughness of the first surface 620 in portion 610 is more than second surface 630, so as to provide bigger separation
When torque.
With continued reference to Fig. 6, and combine Fig. 2-Fig. 5, it is possible to understand that projection 660 in oil filler 220 (with
And the projection 420 in the main part 241 of similar oiling oral shield 240) there can be different shapes,
And projection 510 can also have different shapes to set.In one or more embodiments, projection 510
The end 610 of relatively close elastic arm 246, even on end 610 so that in assembling process
Elastic arm 246 can provide bigger deformation space.It is of course depend upon actual application, the distance of projection 510
The position of end 610 can be with greater or lesser.In one or more embodiments, projection 510 can be with bullet
Property arm 246 be integrally formed, in a non-limiting example, the part can by injection molding one into
Type.
Elastic arm 246 in Fig. 2-Fig. 6 embodiment can have the structure extended along contour, by
It can be deformed to its entirety during external force towards the radial center of elastic arm 246, it is to be understood that this is not
It is necessary.Elastic arm 246 can also be configured with elastomeric sections, projection 510 as escribed above
It can be formed by elastomeric material so as to which its own can be become by compression rather than the overall of elastic arm 246
Shape, the embodiment of these deformations is also considered as being included in the scope of the signified elastic arm 246 of the application
Among.In addition, the position of elastic arm 246 can also change, in above-mentioned one or more non-limiting realities
Apply in example, elastic arm 246 is provided at the tooth bottom position of external screw thread 244, it is possible to understand that elastic arm 246
It can also be formed in the crest position of external screw thread 244, and elastic arm 246 also not necessarily circumferentially prolongs
Stretch, in one or more examples, elastic arm 246 can only include having larger elastic projection 510,
In other words, elastic arm 246 can also need not have the structure of circumferentially extending.
By setting (such as oil filler 220 and protective cover on one component in Fig. 2-Fig. 6 embodiment
240 main part 241) projection (such as 420,660) and be arranged on another part (such as oil filler
The other end of the main part 241 of lid 260 and protective cover 240) on external screw thread implement connection, it is envisioned that
Projection (such as 420,660) nor is it necessary that, conversely, projection can be alternatively formed as to interior spiral shell
Line, in such embodiments, elastic arm 246 of the above-mentioned formation on the external screw thread 244 of protective cover 240
Can also play a role, such as elastic arm 246 may be embodied as elastic part on the crest of external screw thread 244,
It is embodied as only elastic part including elastic protrusion 510 etc..
Although in addition, the application is to be threaded to the explanation that attachment structure carries out multiple embodiments, Ke Yili
It is not unique assembling mode to solve threaded connection.In another or multiple embodiments, above-mentioned protective cover
240 are connected the first fit structure 201 formed and filler cap 260 and protective cover 240 with oil filler 220
Formed the second fit structure 202 can have other embodiment, for example by formed protective cover 240,
Buckle connecting structure on oil filler 220, filler cap 260, sliding block and slide rail connection etc..
In addition, the application is mainly discussed using the machine oil oil filler of vehicle as background, it is envisioned that it also may be used
With applied to other suitable fields, the including but not limited to other field such as aircraft, ship.This area
In technical staff these specific embodiments can be variously changed, modifications and variations are without departing from this hair
The spirit and scope that bright claim is limited.
Pointed out in claim is considered as novel and non-obvious particular combination and sub-portfolio.
These claims can relate to " one " element or " first " element or similar characteristics.Such right
It is required that be construed as including one or more this elements, both it is neither requiring nor excluding it is two or more this
Plant element.Feature, function, element and/or the other combinations of characteristic of description and sub-portfolio can be by right
The modification of current claim advocates right by being proposed in the application or related application.It is such
Claim, no matter its is wider, narrower, equivalent or different compared with former claim, should all be recognized
To be included in subject of the present invention.
Claims (20)
1. a kind of machine oil oil filler assembly, including：Oil filler；Coordinate with the oil filler by first and tie
The protective cover that structure is separably combined；Pass through adding that the second fit structure is separably combined with the protective cover
Oil port cover；Wherein described second is caused to coordinate knot so that the first torque needed for the separation of the first fit structure is more than
The second torque needed for structure separation.
2. oil filler assembly as claimed in claim 1, wherein first fit structure includes elastic arm,
At least when applying first torque, the elastic arm is at least in part against the oil filler.
3. oil filler assembly as claimed in claim 1, the protective cover includes hollow main part and enclosed
Around the oil collection part of the main part, described main part one end is provided with the first external screw thread and is connected with the oil filler
First fit structure is formed, the filler cap passes through the second external screw thread set thereon and the main body
The other end in portion connects and forms the second fit structure, wherein first external screw thread is included along described first
The elastic arm of external screw thread contour extension, at least when applying first torque, the elastic arm is at least partly
Ground is against the oil filler.
4. oil filler assembly as claimed in claim 3, the elastic arm is symmetrically arranged two elasticity
Arm.
5. projection, the bullet are provided with oil filler assembly as claimed in claim 3, the oil filler
Property arm include the axial centre away from the main part close to its end and the projection that stretches out, complete
Installed position, the projection is against the projection.
6. oil filler assembly as claimed in claim 5, the projection has the first surface close to end
With the second surface for being relatively distant from the end, the first of the first surface and the contour of the elastic arm be sharp
Angle angle is more than the second surface and the second acute angle of the contour formation of the elastic arm.
7. oil filler assembly as claimed in claim 5, the projection has the first surface close to end
With the second surface for being relatively distant from the end, the surface roughness of the first surface is more than second table
Face.
8. oil filler assembly as claimed in claim 5, the projection has the first surface close to end
With the second surface for being relatively distant from the end, have between the first surface and the second surface smooth
Transition region.
9. oil filler assembly as claimed in claim 3, wherein the elastic arm is located at the institute of the main part
State the first externally threaded tooth bottom position.
10. oil filler assembly as claimed in claim 3, wherein outside first external screw thread and described second
Screw thread has the major diameter of thread being substantially the same.
11. oil filler assembly as claimed in claim 3, wherein the main part connects with the oil filler
Include the resilient legs of generally axially center line extension at the position connect.
12. oil filler assembly as claimed in claim 3, wherein the oil collection part is away from the main part
The direction of edge towards the filler cap be bent to form periphery wall, the contour length of the periphery wall is more than
All line lengths of the main part, the periphery wall has on the axial direction of the main part is less than the master
The height in body portion.
13. a kind of vehicle engine oil oil filler assembly, including：Form the oil filler covered in the hood；
The protective cover separably combined by the first threaded connection with the oil filler；Pass through with the protective cover
The filler cap that two threaded connections are separably combined；Wherein described first screw thread includes extending along its contour
Elastic arm, at least when applying moment of torsion and separating the oil filler with the protective cover, the elastic arm is extremely
Partially against the oil filler.
14. oil filler assembly as claimed in claim 13, wherein the protective cover includes hollow main part
With the oil collection part around the main part, edge of the oil collection part away from the main part adds towards described
The direction of oil port cover is bent to form periphery wall, wherein the contour length of the periphery wall is more than the main part
All line lengths, the periphery wall has the height less than the main part on the axial direction of the main part.
15. oil filler assembly as claimed in claim 13, the elastic arm is symmetrically arranged two bullets
Property arm.
16. projection is provided with oil filler assembly as claimed in claim 13, the oil filler, it is described
Elastic arm includes the projection stretched out away from the axial centre of the main part close to its end, complete
Installed position, the projection is against the projection.
17. oil filler assembly as claimed in claim 14, the projection has the first table close to end
Face and the second surface for being relatively distant from the end, the first surface and the first of the contour of the elastic arm
Acute angle is more than the second surface and the second acute angle of the contour formation of the elastic arm.
18. oil filler assembly as claimed in claim 13, wherein the elastic arm is located at the main part
The externally threaded tooth bottom position.
19. oil filler assembly as claimed in claim 13, wherein outside first external screw thread and described second
Screw thread has the major diameter of thread being substantially the same.
20. a kind of vehicle of the oil filler assembly including described in claim 1-19.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610143456.2A CN107191243A (en) | 2016-03-14 | 2016-03-14 | Machine oil oil filler assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610143456.2A CN107191243A (en) | 2016-03-14 | 2016-03-14 | Machine oil oil filler assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107191243A true CN107191243A (en) | 2017-09-22 |
Family
ID=59871217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610143456.2A Pending CN107191243A (en) | 2016-03-14 | 2016-03-14 | Machine oil oil filler assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107191243A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939475A (en) * | 2017-11-10 | 2018-04-20 | 江西昌河汽车有限责任公司 | Machine oil filler lid assembly and engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010035415A1 (en) * | 2000-04-12 | 2001-11-01 | Reinhard Hilger | Filler device |
| CN101622435A (en) * | 2007-05-16 | 2010-01-06 | 本田技研工业株式会社 | Head cover for internal combustion engine |
| CN204041157U (en) * | 2014-08-01 | 2014-12-24 | 奇瑞汽车股份有限公司 | A kind of cap structure |
| US20150028031A1 (en) * | 2013-07-24 | 2015-01-29 | GM Global Technology Operations LLC | Oil filler neck for a cylinder head cover |
| CN204827589U (en) * | 2015-06-29 | 2015-12-02 | 上汽通用汽车有限公司 | Machine oil refuels and prolongs pipe |
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2016
- 2016-03-14 CN CN201610143456.2A patent/CN107191243A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010035415A1 (en) * | 2000-04-12 | 2001-11-01 | Reinhard Hilger | Filler device |
| CN101622435A (en) * | 2007-05-16 | 2010-01-06 | 本田技研工业株式会社 | Head cover for internal combustion engine |
| US20150028031A1 (en) * | 2013-07-24 | 2015-01-29 | GM Global Technology Operations LLC | Oil filler neck for a cylinder head cover |
| CN204041157U (en) * | 2014-08-01 | 2014-12-24 | 奇瑞汽车股份有限公司 | A kind of cap structure |
| CN204827589U (en) * | 2015-06-29 | 2015-12-02 | 上汽通用汽车有限公司 | Machine oil refuels and prolongs pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939475A (en) * | 2017-11-10 | 2018-04-20 | 江西昌河汽车有限责任公司 | Machine oil filler lid assembly and engine |
| CN107939475B (en) * | 2017-11-10 | 2020-04-07 | 江西昌河汽车有限责任公司 | Engine oil filling port cover assembly and engine |
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