CN2855810Y - Device for sealing feeding tube fuel tank of automobile - Google Patents
Device for sealing feeding tube fuel tank of automobile Download PDFInfo
- Publication number
- CN2855810Y CN2855810Y CN 200520036504 CN200520036504U CN2855810Y CN 2855810 Y CN2855810 Y CN 2855810Y CN 200520036504 CN200520036504 CN 200520036504 CN 200520036504 U CN200520036504 U CN 200520036504U CN 2855810 Y CN2855810 Y CN 2855810Y
- Authority
- CN
- China
- Prior art keywords
- oil tank
- fuel
- damping
- filler pipe
- pipe sealing
- 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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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Disclosed is a sealing device for a filler pipe of the automobile oil tank of the automobile, comprising a filler pipe mouth, an oil tank socket and an oil tank cover. The filler pipe mouth is clipped and nested with the oil tank socket. It is characterized in that the oil tank cover is arranged between the filler pipe mouth and the oil tank socket, and is hinged with the filler pipe mouth, and the hinged place is provided with a reversion spring. A transition socket is arranged between the filler pipe mouth and the oil tank socket. A damping mechanism is arranged between the transition socket and the oil tank cover, and the damping mechanism provides buffering force for the opening and closing of the oil tank cover. The damping mechanism comprises a transmission body and a damping body. The transmission body transfers the rotary force of the opening and closing of the oil tank cover to the damping body, and the damping body will produce corresponding damping force. The input end of the transmission body adopts gearwheel transmission, and the output end of the transmission body adopts a transmission shaft that a torsional spring is clipped and nested with the damping body. The utility model is simple to be operated with high reliability and good sealing effect.
Description
Technical field
The utility model relates to automobile, relates in particular to a kind of automotive oil tank fuel filler pipe sealing arrangement.
Background technology
The radical function of automotive oil tank fuel filler pipe sealing arrangement is the oil filling port of leakproof fuel cell, the fuel oil and the steam thereof that prevent fuel tank internal are leaked in the atmosphere by tank filler opening, in the prior art, mainly comprise continuous threaded block and fuel lid, by screw thread on the threaded block and fuel filler pipe screw thread fit, thereby fixed oil tank lid, by the slit between seal ring sealing filler neck and the fuel lid, prevent fuel oil and steam leakage thereof, adopt this project organization operation inconvenience, when refueling, must screw off fuel lid earlier, refuel inconvenient, forget because of carelessness easily to screw fuel lid, cause the fuel-steam volatilization.
Summary of the invention
The purpose of this utility model is to provide a kind of automotive oil tank fuel filler pipe sealing arrangement easy and simple to handle, to have overcome deficiency of the prior art.
The utility model comprises filler neck, fuel tank base and fuel lid, described filler neck and fuel tank base be cutting ferrule mutually, it is characterized in that: described fuel lid is arranged between filler neck and the fuel tank base and with filler neck and is hinged mutually, and described hinging place is installed returning spring.
Installing transition base is installed damping mechanism between described transition base and the fuel lid between described filler neck and the fuel tank base, and described damping mechanism provides cushion effect to the switching of fuel lid.
Described damping mechanism comprises transmission body and damping body, and described transmission body opens and closes turning effort with fuel lid and is passed to damping body, and described damping body produces corresponding dumping force.
The input end of described transmission body adopts gear transmission, and the mouth of transmission body adopts the transmission shaft of torsion spring cutting ferrule damping body.
Described transmission body comprises gear, gear wheel shaft and torsion spring, and described gear wheel shaft two ends are connection gear and torsion spring respectively, and the turning cylinder axis parallel of the axle center of described gear wheel shaft and fuel lid, and the main gear rim that is meshed with gear is set up at described transition base middle part.
Described damping body comprises damping cavity, driven bearing shell, drive shaft sleeve and seal ring, described damping cavity interlocks mutually with seal ring, and driven bearing shell is loaded on wherein, and wherein damping grease is housed, drive shaft sleeve passes seal ring and links to each other with driven bearing shell, and drive shaft sleeve outer end suit torsion spring.
Also install second seal ring and the 3rd seal ring between described gear wheel shaft and the gear.
Between described transition base and the fuel tank base reed check valve is housed, described reed check valve comprises substrate and the unidirectional leaf of hinge that is hinged with substrate, and described substrate button is located at the main gear rim back side, and described unidirectional leaf of hinge is arranged in the pipeline.
Described transition base sidepiece is installed the water conservancy diversion frame, in the described water conservancy diversion frame flame diversion trough is installed.
Described filler neck is equipped with seal ring.
The beneficial effects of the utility model are: in the utility model, fuel lid is arranged between filler neck and the fuel tank base and with filler neck and is hinged mutually, described hinging place is installed returning spring, like this, when refueling, oil gun can directly be inserted by filler neck and back down fuel lid, after oil gun withdraws from, the effect self-return of fuel lid by returning spring, thus can the automatic airtight fuel tank, can not forget to tighten fuel lid because of carelessness, cause the fuel-steam volatilization, therefore, the utility model is easy and simple to handle, the reliability height.
In the utility model, installing transition base between filler neck and the fuel tank base, install damping mechanism between transition base and the fuel lid, damping mechanism provides cushion effect to the switching of fuel lid, transmission body in the damping mechanism opens and closes turning effort with fuel lid and is passed to damping body, produces corresponding dumping force by damping body, makes when fuel lid is opened, dumping force is less, opens light; During the fuel lid return, dumping force is bigger, makes the fuel lid return steady, does not cause fuel lid to impact filler neck fast, and fuel lid is caused damage.
Filler neck is equipped with seal ring, installing second seal ring and the 3rd seal ring between gear wheel shaft and the gear, and installing reed check valve further improves sealing property of the present utility model between transition base and the fuel tank base.
Description of drawings
Fig. 1 is the utility model overall structure exploded perspective view;
Fig. 2 is a damping mechanism exploded perspective view in the utility model.
The specific embodiment
With embodiment the utility model is described in further detail with reference to the accompanying drawings below:
According to Fig. 1 and Fig. 2, the utility model comprises filler neck 1, fuel tank base 2 and fuel lid 3, be provided with pipeline in the fuel tank base 2, filler neck 1 and fuel tank base 2 be cutting ferrule mutually, fuel lid 3 is arranged between filler neck 1 and the fuel tank base 2 and with filler neck 1 and is hinged mutually, hinging place is installed returning spring 30, filler neck 1 is equipped with seal ring 8, and installing transition base 4 between filler neck 1 and the fuel tank base 2, transition base 4 sidepieces are installed water conservancy diversion frame 42, flame diversion trough 7 is installed in the water conservancy diversion frame 42, installing damping mechanism 5 between transition base 4 and the fuel lid 3, the switching of 5 pairs of fuel lids 2 of damping mechanism provides cushion effect.
As shown in Figure 2, damping mechanism 5 comprises transmission body 51 and damping body 52, transmission body 51 opens and closes turning effort with fuel lid 3 and is passed to damping body 52, damping body 52 produces corresponding dumping force, wherein, the input end of transmission body 51 adopts gear transmission, and the mouth of transmission body 51 adopts the transmission shaft of torsion spring cutting ferrule damping body 52.
As shown in Figure 2, transmission body 51 comprises gear 511, gear wheel shaft 512 and torsion spring 513, gear wheel shaft 512 two ends are connection gear 511 and torsion spring 513 respectively, and the axle center of gear wheel shaft 512 is parallel with the turning cylinder axle center O of fuel lid 2, as shown in Figure 1, the main gear rim 41 that is meshed with gear 511 is set up at transition base 4 middle parts, and main gear rim 41 is offered direction towards damping mechanism 5; Damping body 52 comprises damping cavity 521, driven bearing shell 522, drive shaft sleeve 523 and seal ring 524, damping cavity 521 interlocks mutually with seal ring 524, driven bearing shell 522 is loaded on wherein, and damping grease is housed wherein, drive shaft sleeve 523 passes seal ring 524 and links to each other with driven bearing shell 522, and drive shaft sleeve 523 outer end suit torsion springs 513.
As shown in Figure 1, also install second seal ring 514 and the 3rd seal ring 515 between gear wheel shaft 512 and the gear 511.
As shown in Figure 1, between transition base 4 and the fuel tank base 2 reed check valve 6 is housed, reed check valve 6 comprises substrate 61 and the unidirectional leaf of hinge 62 that is hinged with substrate 61, and substrate 61 buttons are located in the catching groove 43 at main gear rim 41 back sides, and unidirectional leaf of hinge 62 is arranged in the pipeline.
In using the utility model, when refueling, oil gun is inserted by filler neck 1, back down fuel lid 3, and then back down unidirectional leaf of hinge 62 in the reed check valve 6, oil gun is in flame diversion trough 7 and limited in the via hole on the water conservancy diversion frame 42, because fuel lid 3 links to each other with damping mechanism 5, gear 511 in the damping mechanism 5 is formed planetary wheeling mechanism with the main gear rim 41 in the transition base 4, thereby driven gear 511 and gear wheel shaft 512 rotate together, make torsion spring 513 interlocks, at this moment, fuel lid 3 is opened, torsion spring 513 backward rotation fluff torsion spring 513 and cooperating of drive shaft sleeve 523, can't provide enough friction force to overcome the resistance of damping grease to drive shaft sleeve 523, so drive shaft sleeve 523 are motionless, this moment, damping grease only had resistance to the rotation of gear wheel shaft 512, and resistance is less; After oil gun is withdrawed from by filler neck 1, fuel lid 3 is by the effect self-return of returning spring 30, torsion spring 513 is rotated in the forward and makes itself and cooperating of drive shaft sleeve 523 become tight, can provide enough friction force to overcome the resistance of damping grease to drive shaft sleeve 523, drive shaft sleeve 523 is rotated with gear wheel shaft 512, this moment, damping grease all had resistance to gear wheel shaft 512 and drive shaft sleeve 523, and resistance is bigger.
Therefore, when fuel lid 3 was opened, dumping force was less, can make unlatching light; During fuel lid 3 returns, dumping force is bigger, can make fuel lid 3 returns steady, does not cause fuel lid 3 to impact filler neck fast, and fuel lid 3 is caused damage.
Claims (10)
1. automotive oil tank fuel filler pipe sealing arrangement, comprise filler neck, fuel tank base and fuel lid, described filler neck and fuel tank base be cutting ferrule mutually, it is characterized in that: described fuel lid is arranged between filler neck and the fuel tank base and with filler neck and is hinged mutually, and described hinging place is installed returning spring.
2. automotive oil tank fuel filler pipe sealing arrangement according to claim 1, it is characterized in that: installing transition base between described filler neck and the fuel tank base, install damping mechanism between described transition base and the fuel lid, described damping mechanism provides cushion effect to the switching of fuel lid.
3. automotive oil tank fuel filler pipe sealing arrangement according to claim 2, it is characterized in that: described damping mechanism comprises transmission body and damping body, described transmission body opens and closes turning effort with fuel lid and is passed to damping body, and described damping body produces corresponding dumping force.
4. automotive oil tank fuel filler pipe sealing arrangement according to claim 3 is characterized in that: the input end of described transmission body adopts gear transmission, and the mouth of transmission body adopts the transmission shaft of torsion spring cutting ferrule damping body.
5. automotive oil tank fuel filler pipe sealing arrangement according to claim 4, it is characterized in that: described transmission body comprises gear, gear wheel shaft and torsion spring, described gear wheel shaft two ends are connection gear and torsion spring respectively, and the turning cylinder axis parallel of the axle center of described gear wheel shaft and fuel lid, the main gear rim that is meshed with gear is set up at described transition base middle part.
6. automotive oil tank fuel filler pipe sealing arrangement according to claim 5, it is characterized in that: described damping body comprises damping cavity, driven bearing shell, drive shaft sleeve and seal ring, described damping cavity interlocks mutually with seal ring, driven bearing shell is loaded on wherein, and damping grease is housed wherein, drive shaft sleeve passes seal ring and links to each other with driven bearing shell, and drive shaft sleeve outer end suit torsion spring.
7. according to claim 5 or 6 described automotive oil tank fuel filler pipe sealing arrangements, it is characterized in that: also install second seal ring and the 3rd seal ring between described gear wheel shaft and the gear.
8. according to claim 5 or 6 described automotive oil tank fuel filler pipe sealing arrangements, it is characterized in that: between described transition base and the fuel tank base reed check valve is housed, described reed check valve comprises substrate and the unidirectional leaf of hinge that is hinged with substrate, described substrate button is located at the main gear rim back side, and described unidirectional leaf of hinge is arranged in the pipeline.
9. according to any described automotive oil tank fuel filler pipe sealing arrangement among the claim 2-6, it is characterized in that: described transition base sidepiece is installed the water conservancy diversion frame, in the described water conservancy diversion frame flame diversion trough is installed.
10. according to any described automotive oil tank fuel filler pipe sealing arrangement among the claim 1-6, it is characterized in that: described filler neck is equipped with seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520036504 CN2855810Y (en) | 2005-12-09 | 2005-12-09 | Device for sealing feeding tube fuel tank of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520036504 CN2855810Y (en) | 2005-12-09 | 2005-12-09 | Device for sealing feeding tube fuel tank of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2855810Y true CN2855810Y (en) | 2007-01-10 |
Family
ID=37599116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520036504 Expired - Lifetime CN2855810Y (en) | 2005-12-09 | 2005-12-09 | Device for sealing feeding tube fuel tank of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2855810Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050015A (en) * | 2010-10-28 | 2011-05-11 | 蚌埠通达汽车零部件有限公司 | Oil filling pipe buffer for automotive oil tank |
| CN107181173A (en) * | 2017-06-19 | 2017-09-19 | 峨眉山长宇电气有限公司 | A kind of case becomes edge seal structure |
-
2005
- 2005-12-09 CN CN 200520036504 patent/CN2855810Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050015A (en) * | 2010-10-28 | 2011-05-11 | 蚌埠通达汽车零部件有限公司 | Oil filling pipe buffer for automotive oil tank |
| CN107181173A (en) * | 2017-06-19 | 2017-09-19 | 峨眉山长宇电气有限公司 | A kind of case becomes edge seal structure |
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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 |
Granted publication date: 20070110 |
|
| EXPY | Termination of patent right or utility model |