CN203199098U - Fuel tank cover and oil filler sealing structure assemblyfor motorcycle - Google Patents
Fuel tank cover and oil filler sealing structure assemblyfor motorcycle Download PDFInfo
- Publication number
- CN203199098U CN203199098U CN 201320191880 CN201320191880U CN203199098U CN 203199098 U CN203199098 U CN 203199098U CN 201320191880 CN201320191880 CN 201320191880 CN 201320191880 U CN201320191880 U CN 201320191880U CN 203199098 U CN203199098 U CN 203199098U
- Authority
- CN
- China
- Prior art keywords
- fuel tank
- filling port
- oil filling
- oil
- oil filler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a fuel tank cover and oil filler sealing structureassembly for a motorcycle. The fuel tank cover and oil filler sealing structureassemblycomprises a fuel tank cover provided with oil seal rubber, and an oil filler upwards protruding the exterior of a fuel tank; the oil seal rubber is pressed against the upper end edge of the oil filler to form a first sealing surface; the outer edge of the oil seal rubber extending out of the outer peripheral wall of the oil filler downwards extends to form an extension part; and by the extension part, the flowing routes of most water columns are changed in the washing process, the water columns are effectively prevented from directly impacting the first sealing surface, high pressure water flow is prevented from damaging the first sealing surface formed by the oil seal rubber and the upper end edge of the oil filler and is well prevented from rushing into the fuel tank, and the complaint on fuel tank rusting from a user and the maintenance cost of the motorcycle are reduced. The fuel tank cover and oil filler sealing structureassembly is simple and reliable in structure, high in practicability, easy to implement and obvious in effect.
Description
Technical field
The utility model relates to the optimal design of motorcycle component, is motorcycle fuel case lid oil filling port hermetically-sealed construction assembly specifically.
Background technology
Use the straddle-type motor bike of common forced fuel tank locking cap, referring to Fig. 1 ~ shown in Figure 3, the sealing surface C that general fuel tank locking cap 1 ' matches with fuel tank filler 2 ' slightly protrudes from the upper surface of fuel tank ectosome 3 '.Consider for ease of motor bike knight or oiling personnel and conveniently fuel tank locking cap 1 ' is pressed in the fuel tank filler 2 ', generally require the sealing load of fuel tank locking cap 1 ' to be not more than 50kPa, for the water blast gun carwash that generally uses at present, water flow jet pressure in the water blast gun 4 ' is up to 5Mpa, be 100 times of fuel tank locking cap sealing load requirement, if the water column E that water blast gun penetrates when carwash directly impacts on fuel tank locking cap 1 ' and the sealing surface C that fuel tank filler 2 ' matches, then probably destroy the sealing function of sealing face C, and then make water pour the fuel oil box house, cause the inner generation of fuel tank corrosion, this can increase the user in the complaint degree of fuel tank aspect getting rusty, and also increases the maintenance cost of vehicle simultaneously.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of motorcycle fuel case lid oil filling port hermetically-sealed construction assembly, its have simple in structure, practical, can prevent effectively that when the high pressure washing motor bike current from characteristics such as rushing in the fuel tank.
The technical scheme that its technical matters that solves the utility model adopts is:
Motorcycle fuel case lid oil filling port hermetically-sealed construction assembly, comprise the fuel tank locking cap that is provided with oil sealing rubber and the oil filling port that protrudes from the fuel tank ectosome up, oil sealing rubber and oil filling port upper end edge butt form primary sealing area, and the outer rim that described oil sealing rubber stretches out the oil filling port periphery wall has extended to form extension downwards.
As improvement of the technical scheme, described extension extends downward with oil filling port periphery wall and/or fuel tank ectosome butt and forms secondary sealing area.
As further improvement in the technical proposal, form a closed cavity between described first and second sealing surface, the interior pressure of described closed cavity is greater than external atmosphere pressure.
Preferably, the inside and outside wall of described extension is connected smoothly in the bottom face position of extension cambered surface.
Further, described fuel tank locking cap is provided with the lock body pedestal, and the perisporium of described lock body pedestal is provided with male part, and the oil filling port inwall is provided with the inner fovea part of ccontaining this male part.
The beneficial effects of the utility model are: the utility model extends to form extension downwards by the outer rim with oil sealing rubber, the glide path of most of water column changes when utilizing this extension to make flushing, effectively stoped the direct impact of water column to primary sealing area, avoid High-Pressure Water to destroy the primary sealing area of oil sealing rubber and the formation of oil filling port upper end edge, prevented well that current are punched in the fuel tank, reduced the user fuel tank aspect getting rusty the complaint degree and the maintenance cost of vehicle; The utility model is simple and reliable for structure, practical, easy to implement, and effect is remarkable.
Description of drawings
Scheme drawing when Fig. 1 is to use water blast gun flushing motor bike;
Fig. 2 is the cutaway view at A-A place, Fig. 1 middle section;
Fig. 3 is the partial enlarged drawing of B among Fig. 2;
Fig. 4 is the structural representation of the utility model embodiment 1;
Fig. 5 is the partial enlarged drawing of F among Fig. 4;
Fig. 6 is the partial enlarged drawing of the utility model embodiment 2;
Fig. 7 is the partial enlarged drawing of the utility model embodiment 3;
Fig. 8 is the partial enlarged drawing of the utility model embodiment 4;
Fig. 9 is the upward view of the utility model IFO intermediate fuel oil case lid;
Figure 10 is the birds-eye view of oil filling port in the utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail, the arrow E in this accompanying drawing is represented the water (flow) direction signal.
Referring to Fig. 4 ~ Figure 10, motorcycle fuel case lid oil filling port hermetically-sealed construction assembly of the present utility model, it comprises the fuel tank locking cap 2 that is provided with oil sealing rubber 1 and the oil filling port 4 that protrudes from fuel tank ectosome 3 up, oil sealing rubber 1 forms primary sealing area C with oil filling port 4 upper end edge butts, and the outer rim that described oil sealing rubber 1 stretches out oil filling port 4 periphery walls has extended to form extension 5 downwards.
Embodiment 1: specifically referring to Fig. 4 ~ Fig. 5, the inwall of described extension 5 is downward oblique extension inwardly, and the bottom of extension 5 and described oil filling port 4 periphery walls are adjacent to and form secondary sealing area D, forms a closed cavity 6 between described first and second sealing surface C, the D.It is multi-stage sealed that being arranged so that of secondary sealing area D formed between fuel tank locking cap 2 and the oil filling port 4, and extension 5 can make the glide path of most of water column change, and has stoped the direct impact of water column to primary sealing area C effectively; Particularly when fuel tank locking cap is assembled, since caulking gum in fitting process by natural compressive deformation, make closed cavity 6 its interior the pressures greater than external atmosphere pressure that form between two sealing surface C and the D, even being arranged, water column can wash secondary sealing area D open, high pressure gas wall in the closed cavity 6 also can cause hydraulic pressure to fall sharply, being difficult to wash open former sealing surface again is primary sealing area C, significantly improved the sealing property between fuel tank locking cap 2 and the oil filling port 4, reduced the user fuel tank aspect getting rusty the complaint degree and the maintenance cost of vehicle.
Preferred as present embodiment, the inside and outside wall 51 of described extension 5, the 52 bottom face 53 position cambered surfaces at extension 5 are connected smoothly.This structure can reduce the planeness requirement to extension 5, realize the linear sealing between extension 5 and oil filling port 4 periphery walls easily, also make things convenient for when being pressed into fuel tank locking cap 2 in the oil filling port 4 simultaneously, extension 5 natural landings are in oil filling port 4 periphery walls, avoid extension 5 to be stuck in oil filling port 4 tops and influence homogeneity even the seal failure of sealing.
Embodiment 2: specifically referring to Fig. 6, the difference of itself and embodiment 1 only is that described extension 5 extends downward to be adjacent to fuel tank ectosome 3 and forms secondary sealing area D that its effect repeats no more herein.
Embodiment 3: specifically referring to Fig. 7, extension 5 also can extend downward simultaneously periphery wall and fuel tank ectosome 3 butts with oil filling port 4, be the inwall 51 of extension and the periphery wall butt formation secondary sealing area D of oil filling port 4, the bottom face 53 of extension also forms secondary sealing area D with fuel tank ectosome 3 butts, three grades of sealings of two secondary sealing area D and primary sealing area C formation.
Embodiment 4: specifically referring to Fig. 8, the difference of itself and embodiment 1 ~ 3 only is that described extension 5 is not adjacent to the periphery wall of oil filling port 4, does not also extend downward with fuel tank ectosome 3 to be adjacent to.The glide path of most of water column when the extension 5 of embodiment 4 described structures has also changed flushing, effectively stoped the direct impact of water column to primary sealing area C, improved the sealing property between fuel tank locking cap 2 and the oil filling port 4, reduced the user fuel tank aspect getting rusty the complaint degree and the maintenance cost of vehicle.
Fuel tank locking cap 2 can be articulated on the fuel tank ectosome 3 and form flip structure, be not articulated on the fuel oil casing 3 and can take off the time for fuel tank locking cap 2, for making the rigging position of fuel tank locking cap 2 on oil filling port 4 keep unique, guarantee the extension 5 of oil sealing rubber 1 and the gap between oil filling port 4 periphery walls is even or sealing load is even, the perisporium of lock body pedestal 21 that can described fuel tank locking cap 2 bottoms is provided with male part 22, oil filling port 4 inwalls are provided with the inner fovea part 41 of ccontaining this male part 22, and male part 22 and inner fovea part 41 play the guiding role when assembling.
Extend to form extension 5 downwards by the outer rim with oil sealing rubber 1, the glide path of most of water column changes when utilizing this extension 5 to make flushing, effectively stoped the direct impact of water column to primary sealing area C, avoid High-Pressure Water to destroy the primary sealing area C of oil sealing rubber 1 and the formation of oil filling port 4 upper end edges, prevented well that current are punched in the fuel tank, reduced the user fuel tank aspect getting rusty the complaint degree and the maintenance cost of vehicle.
The above be preferred embodiments of the present utility model, but the utility model is not limited to above-described embodiment, as long as it reaches technique effect of the present utility model with any same or similar means, all should fall within the protection domain of the present utility model.
Claims (5)
1. motorcycle fuel case lid oil filling port hermetically-sealed construction assembly, comprise the fuel tank locking cap that is provided with oil sealing rubber and the oil filling port that protrudes from the fuel tank ectosome up, oil sealing rubber and oil filling port upper end edge butt form primary sealing area, and it is characterized in that: the outer rim that described oil sealing rubber stretches out the oil filling port periphery wall has extended to form extension downwards.
2. motorcycle fuel case lid oil filling port hermetically-sealed construction assembly according to claim 1 is characterized in that: described extension extends downward and oil filling port periphery wall and/or fuel tank ectosome butt form secondary sealing area.
3. motorcycle fuel case lid oil filling port hermetically-sealed construction assembly according to claim 2 is characterized in that: form a closed cavity between described first and second sealing surface, the interior pressure of described closed cavity is greater than external atmosphere pressure.
4. motorcycle fuel case lid oil filling port hermetically-sealed construction assembly according to claim 2, it is characterized in that: the inside and outside wall of described extension is connected smoothly in the bottom face position of extension cambered surface.
5. according to the described motorcycle fuel case lid of each claim oil filling port hermetically-sealed construction assembly in the claim 1 ~ 4, it is characterized in that: described fuel tank locking cap is provided with the lock body pedestal, the perisporium of described lock body pedestal is provided with male part, and the oil filling port inwall is provided with the inner fovea part of ccontaining this male part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320191880 CN203199098U (en) | 2013-04-15 | 2013-04-15 | Fuel tank cover and oil filler sealing structure assemblyfor motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320191880 CN203199098U (en) | 2013-04-15 | 2013-04-15 | Fuel tank cover and oil filler sealing structure assemblyfor motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203199098U true CN203199098U (en) | 2013-09-18 |
Family
ID=49143232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320191880 Expired - Lifetime CN203199098U (en) | 2013-04-15 | 2013-04-15 | Fuel tank cover and oil filler sealing structure assemblyfor motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203199098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213635A (en) * | 2013-04-15 | 2013-07-24 | 江门市大长江集团有限公司 | Fuel tank cap and oil filler sealing structure assembly for motorcycle |
-
2013
- 2013-04-15 CN CN 201320191880 patent/CN203199098U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213635A (en) * | 2013-04-15 | 2013-07-24 | 江门市大长江集团有限公司 | Fuel tank cap and oil filler sealing structure assembly for motorcycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |