CN207449621U - A kind of fuel tank cap - Google Patents
A kind of fuel tank cap Download PDFInfo
- Publication number
- CN207449621U CN207449621U CN201721611210.XU CN201721611210U CN207449621U CN 207449621 U CN207449621 U CN 207449621U CN 201721611210 U CN201721611210 U CN 201721611210U CN 207449621 U CN207449621 U CN 207449621U
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- China
- Prior art keywords
- fuel tank
- tank cap
- flowline
- linkage section
- conduction pipe
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Abstract
The utility model discloses a kind of fuel tank cap, and including the first linkage section being connected with fuel tank and the second linkage section being connected with refueling nozzle, the first linkage section is connected with the second linkage section；First linkage section includes the connecting tube being connected with fuel tank and the flowline for entering fuel tank internal convenient for liquid fuel, and oil outlet is provided on flowline, and flowline one end is connected by connecting tube with the second linkage section, and the other end is provided with bottom surface；The sealing catch that can be slid axially is provided in flowline, it is also axially disposed in flowline to have hollow conduction pipe, one end of conduction pipe can be arranged in bottom surface with respect to what is slided, self-return spring is arranged on conduction pipe through simultaneously fixed connection and sealing catch, the other end of conduction pipe.The cover structure for fuel tank of the utility model is simple, and the pressure flowed naturally by liquid fuel in refueling process realizes the switching refueled and seal two states, the fragile component such as no fold or knob, therefore can reduce loss, extends the service life of fuel tank cap.
Description
Technical field
The utility model is related to liquid fuel loading technique field more particularly to a kind of fuel tank cap.
Background technology
Fuel tank cap is an important accessory of automobile, it is necessary to open fuel tank cap when refueling a car in the past, is then added
Oil during fuel tank cap is opened, has oil-gas diffusion into air, both dangerous or not environmentally.In another fuel tank cap
In, by the way that bulb stopper or valve is set to carry out oil gas closing, covered can refuel although can realize, this structure is relatively
Complexity, the component of use is more, is easily damaged, and service life is short, it is therefore desirable to which its structure is improved.
Utility model content
The technical problems to be solved in the utility model is, provides a kind of simple in structure, and can reach covered and refuel
The fuel tank cap of oil gas sealing effect in journey.
Technical solution is used by the utility model solves its technical problem：
A kind of fuel tank cap is provided, wherein, including the first linkage section being connected with fuel tank and the second company being connected with refueling nozzle
Section is connect, first linkage section is connected with second linkage section；First linkage section includes what is be connected with the fuel tank
Connecting tube and the flowline for entering the fuel tank internal convenient for liquid fuel, are provided with oil outlet on the flowline, and described
Flowline one end is connected by the connecting tube with second linkage section, and the other end is provided with bottom surface；In the flowline
Being provided with can slide axially, to switch the sealing catch that fuel tank cap is refueled with two states of closing, and edge is gone back in the flowline
Hollow conduction pipe axially is provided with, one end of the conduction pipe passes through and is fixedly connected with the sealing catch, the conduction pipe
The other end opposite can slide be arranged in the bottom surface, self-return spring is arranged on the conduction pipe；Described automatic
Return spring in the raw when, it is described sealing catch be located at the corresponding inside of the connecting tube.
Fuel tank cap described in the utility model, wherein, the oil outlet is arranged on the side or bottom surface of the flowline.
Fuel tank cap described in the utility model, wherein, the conducting bore is 1-5mm.
Fuel tank cap described in the utility model, wherein, the oil outlet is the item being axially distributed in along flowline on side wall
Shape hole.
Fuel tank cap described in the utility model, wherein, the flowline is cylindric.
Fuel tank cap described in the utility model, wherein, it is provided with reinforcing rib between the oil outlet.
Fuel tank cap described in the utility model, wherein, second linkage section is connected with refueling nozzle connector.
Fuel tank cap described in the utility model, wherein, the second linkage section outer circumferential surface is provided with annular groove, described to add
Corresponding locking steelball is provided on oil gun connector, the locking steelball is arranged at the connecting pin of the refueling nozzle connector
In steel ball hole, it is arranged with outside the connecting pin of the refueling nozzle connector mobilizable for compressing or unclamp the locking steelball
Fixing piece, and the rear baffle ring of the restricted fixing piece stroke is set.
Fuel tank cap described in the utility model, wherein, it is set between the fixing piece and the connecting pin outer circumferential surface useful
The elastic component for the position for squeezing the locking steelball is maintained at when ensureing that the fixing piece is acting on from external force.
Fuel tank cap described in the utility model, wherein, it is provided with nitrogen outlet on the refueling nozzle connector.
The beneficial effects of the utility model are：By set sealing catch and conduction pipe, self-return spring, it can be achieved that
The switching of fuel tank cap fueling state and sealing state is, it can be achieved that the switching of fuel tank cap fueling state and sealing state, by hollow
Conduction pipe, it can be achieved that refuel complete when automatic alarm or jump chamber；And the program is simple in structure, is fired by liquid in refueling process
Expect that natural pressure promotes sealing catch movement, realize that two states switch, the fragile component such as no fold or knob, therefore can
Loss is reduced, extends the service life of fuel tank cap.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 be the utility model embodiment fuel tank cap closed state under dimensional structure diagram；
Fig. 2 be the utility model embodiment fuel tank cap fueling state under dimensional structure diagram；
Fig. 3 is the refueling nozzle connector dimensional structure diagram of the utility model embodiment；
Fig. 4 is that the fuel tank cap of the utility model embodiment and connector are connected rear enclosed view；
Fig. 5 is sectional view along A-A in Fig. 4；
Fig. 6 be the utility model embodiment fuel tank cap fueling state under sectional view.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, it is detailed now to compare attached drawing
Illustrate specific embodiment of the present utility model.
As depicted in figs. 1 and 2, while refering to Fig. 4 and Fig. 5, Fig. 6, the fuel tank cap 100 of the present embodiment includes being connected with fuel tank
The first linkage section 10 and the second linkage section 20 for being connected with refueling nozzle, the first linkage section 10 be connected with the second linkage section 20,
And connectivity part is provided with oil-gas sealing device；First linkage section 10 includes the connecting tube 11 being connected with fuel tank and convenient for liquid fuel
Into the flowline 12 of fuel tank internal, oil outlet 121 is provided on flowline 12, and one end of flowline 12 passes through connecting tube 11
It is connected with the second linkage section 20, the other end is provided with bottom surface 122；Being provided in flowline 12 can slide axially, with switching
Fuel tank cap 100 is refueled and the sealing catch 31 of two states of closing, also axially disposed in flowline 12 to have hollow conduction pipe
32, through simultaneously fixed connection and sealing catch 31, the other end of conduction pipe 32 can be arranged in respect to what is slided for one end of conduction pipe 32
Bottom surface 122 is arranged with self-return spring 33 on conduction pipe 32, self-return spring 33 in the raw when, sealing gear
Piece 31 is located at 11 corresponding inside of connecting tube.
It, as shown in Figure 4 and Figure 5, can will be close by the self-return spring 33 on conduction pipe 32 in the case where being not added with oil condition
Block piece 31 is limited in 11 corresponding inside of connecting tube, ensures sealing hydrocarbons；When refueling, sealing catch 31 is subject to liquid to flow
Pressure, self-return spring 33 is subject to compressive deformation, conduction pipe 32 slide axially be pierced by 12 bottom surface 122 of flowline it
Outside, sealing catch 31 is slid into close to 12 bottom surface of flowline, 122 position, exposes oil outlet 121, oil is entered convenient for liquid fuel
In case；When refueling to highest liquid level, liquid level and 32 tip contact of conduction pipe, close conduction pipe 32, cause in oil gun in fuel tank
Air pressure changes, and triggering stops oiling alarm device.
In the fuel tank cap 100 of above-described embodiment, by setting sealing catch 31 and conduction pipe 32, self-return spring 33,
Sealing catch 31 is moved along 12 inner wall of flowline, it can be achieved that 100 fueling state of fuel tank cap and seal shape under fluid pressure effect
The switching of state, by hollow conduction pipe 32, it can be achieved that refuel automatic alarm or jump chamber when completing；And the program is simple in structure,
By the natural pressure of liquid fuel in refueling process sealing catch 31 is promoted to move, realizes two states switchings, no fold or
The fragile component such as knob, therefore loss can be reduced, extend the service life of fuel tank cap 100.
Further, as depicted in figs. 1 and 2, in the fuel tank cap 100 of above-described embodiment, oil outlet 121 is arranged on flowline
On 12 side or bottom surface 122.
Preferably, as depicted in figs. 1 and 2, the flowline 12 in above-described embodiment is cylindric；It is highly preferred that it is above-mentioned go out
Oilhole 121 is along the axial bar hole being distributed on side wall of flowline 12；Add it is highly preferred that being provided between oil outlet 121
Strengthening tendons.
Further, in the fuel tank cap 100 of above-described embodiment, 32 internal diameter of conduction pipe is preferably 1-5mm.The master of conduction pipe 32
It is to ensure fuel tank internal space and air communication in refueling nozzle in refueling process to act on, when refueling to highest liquid level, oil
Liquid level and 32 tip contact of conduction pipe, close conduction pipe 32 in case, and air pressure in oil gun is caused to change, and triggering stops oiling alarm dress
It puts, refueling nozzle is made to stop refueling.
Further, as shown in Fig. 3, Fig. 4 and Fig. 5, the second linkage section 20 of above-mentioned fuel tank cap 100 is connected with what is be adapted
Refueling nozzle connector 200, for being connected with refueling nozzle.
Specifically, as shown in Fig. 1 and Fig. 2, Fig. 5,20 outer circumferential surface of the second linkage section of above-mentioned fuel tank cap 100 is provided with ring
Connected in star 21 is provided with corresponding locking steelball 215 on refueling nozzle connector 200, and locking steelball is arranged at refueling nozzle connector
In the steel ball hole 211 of 200 connecting pin, it is arranged with outside the connecting pin 210 of refueling nozzle connector 200 mobilizable for compression lock
Determine the fixing piece 212 of steel ball 215, and the rear baffle ring 214 of restricted fixing piece stroke is set.In the company of refueling nozzle connector 200
It connects end and is uniformly distributed several steel ball holes 211, locking steelball 215 is placed in steel ball hole 211, and the diameter of locking steelball 215 is big
Diameter in steel ball hole 211, in order to avoid it comes off from steel ball hole 211, locking steelball 215 is limited in steel by the compression of fixing piece 212
In the hole of bead 211.
Further, as shown in Fig. 3, Fig. 4 and Fig. 5, it is provided between 210 outer circumferential surface of above-mentioned fixing piece 212 and connecting pin
The elastic component 216 for the position for squeezing locking steelball 215 is maintained at for ensureing fixing piece 212 when being acted on from external force.When need
When unclamping fuel tank cap 100, external force can be applied to the fixing piece 212, be pulled back, discharge the pressure to locking steelball 215,
So as to the abjection out of fuel tank cap 100 annular groove 21 so that fuel tank cap 100 can be separated with refueling nozzle connector 200.
Further, as shown in figure 3, being provided with nitrogen outlet 213 on above-mentioned refueling nozzle connector 200, in order to add
Discharge nitrogen during oil.
As depicted in figs. 1 and 2, between the first linkage section 10 and the second linkage section 20 of fuel tank cap 100, it is additionally provided with just
In the cam 40 of hand-held, which is provided with Z-Correct bump mapping Z-correct.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in
Other related technical areas are equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of fuel tank cap, which is characterized in that including the first linkage section being connected with fuel tank and the second company being connected with refueling nozzle
Section is connect, first linkage section is connected with second linkage section；First linkage section includes what is be connected with the fuel tank
Connecting tube and the flowline for entering the fuel tank internal convenient for liquid fuel, are provided with oil outlet on the flowline, and described
Flowline one end is connected by the connecting tube with second linkage section, and the other end is provided with bottom surface；In the flowline
Being provided with can slide axially, to switch the sealing catch that fuel tank cap is refueled with two states of closing, and edge is gone back in the flowline
Hollow conduction pipe axially is provided with, one end of the conduction pipe passes through and is fixedly connected with the sealing catch, the conduction pipe
The other end opposite can slide be arranged in the bottom surface, self-return spring is arranged on the conduction pipe；Described automatic
Return spring in the raw when, it is described sealing catch be located at the corresponding inside of the connecting tube.
2. fuel tank cap according to claim 1, which is characterized in that the oil outlet be arranged on the flowline side or
On bottom surface.
3. fuel tank cap according to claim 1, which is characterized in that the conducting bore is 1-5mm.
4. fuel tank cap according to claim 1, which is characterized in that the oil outlet is axially to be distributed in side wall along flowline
On bar hole.
5. fuel tank cap according to claim 1, which is characterized in that the flowline is cylindric.
6. fuel tank cap according to claim 1, which is characterized in that be provided with reinforcing rib between the oil outlet.
7. fuel tank cap according to claim 1, which is characterized in that second linkage section is connected with refueling nozzle connector.
8. fuel tank cap according to claim 7, which is characterized in that it is recessed that the second linkage section outer circumferential surface is provided with annular
Slot is provided with corresponding locking steelball on the refueling nozzle connector, and the locking steelball is arranged at the refueling nozzle connector
Connecting pin steel ball hole in, be arranged with outside the connecting pin of the refueling nozzle connector mobilizable described for compressing or unclamping
The fixing piece of locking steelball, and the rear baffle ring of the restricted fixing piece stroke is set.
9. fuel tank cap according to claim 8, which is characterized in that set between the fixing piece and the connecting pin outer circumferential surface
It is equipped with to ensure the elastic component that the fixing piece is maintained at the position for squeezing the locking steelball when acting on from external force.
10. fuel tank cap according to claim 7, which is characterized in that be provided with nitrogen outlet on the refueling nozzle connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721611210.XU CN207449621U (en) | 2017-11-24 | 2017-11-24 | A kind of fuel tank cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721611210.XU CN207449621U (en) | 2017-11-24 | 2017-11-24 | A kind of fuel tank cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207449621U true CN207449621U (en) | 2018-06-05 |
Family
ID=62278576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721611210.XU Active CN207449621U (en) | 2017-11-24 | 2017-11-24 | A kind of fuel tank cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207449621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907325A (en) * | 2020-08-06 | 2020-11-10 | 杜黎明 | Fuel tank cover capable of simultaneously realizing sealing and air inlet and outlet breathing |
-
2017
- 2017-11-24 CN CN201721611210.XU patent/CN207449621U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907325A (en) * | 2020-08-06 | 2020-11-10 | 杜黎明 | Fuel tank cover capable of simultaneously realizing sealing and air inlet and outlet breathing |
| CN111907325B (en) * | 2020-08-06 | 2021-08-24 | 嘉兴量创科技有限公司 | Fuel tank cover capable of simultaneously realizing sealing and air inlet and outlet breathing |
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