CN204123957U - A kind of gas-protecting type fuel tank assembly - Google Patents
A kind of gas-protecting type fuel tank assembly Download PDFInfo
- Publication number
- CN204123957U CN204123957U CN201420622692.9U CN201420622692U CN204123957U CN 204123957 U CN204123957 U CN 204123957U CN 201420622692 U CN201420622692 U CN 201420622692U CN 204123957 U CN204123957 U CN 204123957U
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- CN
- China
- Prior art keywords
- fuel tank
- oil
- collapsible bag
- blind flange
- pump
- 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 - Fee Related
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Abstract
The utility model discloses a kind of gas-protecting type fuel tank assembly, comprise fuel tank, the top of described fuel tank offers mounting hole, by bolt seal butt flange lid on mounting hole, and be provided with coupling link between blind flange and the outer wall of fuel tank, the bottom of coupling link connects the sack of collapsible bag, and the described bottom obtaining collapsible bag is bonded in the bottom of fuel tank by glue; The sidewall of described fuel tank 2 is also provided with scavenge valve; The bottom surface of described blind flange is connected with pump sump, and be connected in pump sump oil pump.Fuel tank assembly of the present utility model, can not only protect then not oxidized and deliquescence, can also protect oil pump, overhauls conveniently simultaneously.
Description
Technical field
The utility model relates to a kind of fuel tank assembly, specifically a kind of gas-protecting type fuel tank assembly.
Background technology
The fuel tank of gasoline based cars, when refueling, need retain certain space to deposit fuel evaporation gas, and this cushion space accounting for more than 10% of automotive oil tank volume can prevent the fuel tank caused because of fuel evaporation gas to expand, and avoids the generation of explosion accident.Because the fuel oil that volatilizees in fuel tank mixes with air at cushion space, and when vehicle generation collision accident or roll-over accident, in fuel tank, very easily cause naked light, once the miscellaneous gas in open firing point fuel tank, still can bring out fuel tank and blast.In addition, fuel oil volatilization wastes a certain amount of fuel oil, and fuel oil contacts with air, and the oxygen in air enters fuel oil, causes that fuel oil is aging, the oily reduction of fuel oil with fuel oil generation chemical reaction, and the aqueous vapor in air enters fuel oil, easily causes the deliquescence of fuel oil.
Utility model content
The purpose of this utility model is to provide a kind of gas-protecting type fuel tank assembly, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of gas-protecting type fuel tank assembly, comprise collapsible bag, fuel tank, scavenge valve, coupling link, emergent pore, oil filling port, oil pipeline, blind flange, pump sump, locating button, fixed cap and oil pump, the top of described fuel tank offers mounting hole, by bolt seal butt flange lid on mounting hole, and be provided with coupling link between blind flange and the outer wall of fuel tank, the bottom of coupling link connects the sack of collapsible bag, and the described bottom obtaining collapsible bag is bonded in the bottom of fuel tank by glue; The sidewall of described fuel tank 2 is also provided with scavenge valve; The bottom surface of described blind flange is connected with pump sump, be connected in pump sump oil pump, oil pump is positioned at the bottom of collapsible bag, collapsible bag below described oil pump is provided with locating button, the oil pipeline of described oil pump runs through blind flange connecting engine fuel-feed system, and the upper of described blind flange is also provided with emergent pore and oil filling port.
As further program of the utility model: described collapsible bag adopts oil-resistant rubber material to be made.
As the utility model further scheme: the bottom of described scavenge valve is provided with filter screen.
Compared with prior art, the beneficial effects of the utility model are: by arranging collapsible bag in fuel tank, fuel oil is contained in collapsible bag, fuel tank arranges scavenge valve balance internal gas pressure, thus make the fuel oil not ingress of air in collapsible bag, prevent the phenomenon that fuel oil is oxidized and make moist, protect the launching system of automobile, prevent the contact of fuel oil and air simultaneously, safer, utilize blind flange to compress collapsible bag simultaneously, in the bottom of blind flange, pump sump and oil pump are set, fuel tank assembly is made to be more prone to maintenance, pump sump protects oil pump simultaneously, oil pump is prevented to be immersed in phenomenon aging in fuel oil for a long time, fuel tank assembly of the present utility model, then not oxidized and deliquescence can not only be protected, oil pump can also be protected, overhaul conveniently simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of gas-protecting type fuel tank assembly, comprise collapsible bag 1, fuel tank 2, scavenge valve 3, coupling link 4, emergent pore 5, oil filling port 6, oil pipeline 7, blind flange 8, pump sump 9, locating button 10, fixed cap 11, oil pump 12 and filter screen 13, the top of described fuel tank 2 offers mounting hole, so that place accessory in fuel tank 2, by bolt seal butt flange lid 8 on mounting hole, and be provided with coupling link 4 between the outer wall of blind flange 8 and fuel tank 2, the bottom of coupling link 4 connects the sack of collapsible bag 1, connect collapsible bag 1 by coupling link 4 and then be fixed on the outer wall of fuel tank 2, the leak tightness of collapsible bag 1 is improved, the described bottom obtaining collapsible bag 1 is bonded in the bottom of fuel tank 2 by glue, fuel tank 2 and collapsible bag 1 in the process of jolting is avoided to occur relatively to collide the fracture phenomena caused, described collapsible bag 1 adopts oil-resistant rubber material to be made, utilize the elasticity of rubber can damping,
The sidewall of described fuel tank 2 is also provided with scavenge valve 3, and the bottom of scavenge valve 3 is provided with filter screen, the pressure in space between the inwall of scavenge valve 3 regulating oil tank 2 and collapsible bag 1, and the collapsible bag 1 avoiding negative pressure to cause adsorbs the phenomenon of inwall;
The bottom surface of described blind flange 8 is connected with pump sump 9, be connected in pump sump 9 oil pump 12, oil pump 12 is positioned at the bottom of collapsible bag 1, so that utilize the fuel oil in collapsible bag 1 fully, collapsible bag 1 below described oil pump 12 is provided with locating button 10, the oil pump 12 collapsible bag 1 can being avoided to misplace cause by locating button 10 holds the phenomenon of collapsible bag 1, the thread end of locating button 10 is fixed on the bottom of fuel tank 2 by external stability lid 11 simultaneously, the phenomenon that collapsible bag 1 holds by the suction that can prevent oil pump 12 from producing, the oil pipeline 7 of described oil pump 12 runs through blind flange 8 connecting engine fuel-feed system, the upper of described blind flange 8 is also provided with emergent pore 5 and oil filling port 6, wherein emergent pore 5 can be used for the oil extraction exhaust in maintenance process.
Principle of work of the present utility model is: by arranging collapsible bag 1 in fuel tank 2, fuel oil is contained in collapsible bag 1, fuel tank 2 arranges scavenge valve 3 and balances internal gas pressure, thus make the fuel oil not ingress of air in collapsible bag 1, prevent the phenomenon that fuel oil is oxidized and make moist, protect the launching system of automobile, prevent the contact of fuel oil and air simultaneously, safer, utilize blind flange 8 to compress collapsible bag 1 simultaneously, pump sump 9 and oil pump 12 are set in the bottom of blind flange 8, fuel tank assembly is made to be more prone to maintenance, pump sump 9 protects oil pump 12 simultaneously, oil pump 12 is prevented to be immersed in phenomenon aging in fuel oil for a long time, fuel tank assembly of the present utility model, then not oxidized and deliquescence can not only be protected, oil pump can also be protected, overhaul conveniently simultaneously.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (3)
1. a gas-protecting type fuel tank assembly, comprise collapsible bag, fuel tank, scavenge valve, coupling link, emergent pore, oil filling port, oil pipeline, blind flange, pump sump, locating button, fixed cap and oil pump, it is characterized in that, the top of described fuel tank offers mounting hole, by bolt seal butt flange lid on mounting hole, and being provided with coupling link between blind flange and the outer wall of fuel tank, the bottom of coupling link connects the sack of collapsible bag, and the described bottom obtaining collapsible bag is bonded in the bottom of fuel tank by glue; The sidewall of described fuel tank 2 is also provided with scavenge valve; The bottom surface of described blind flange is connected with pump sump, be connected in pump sump oil pump, oil pump is positioned at the bottom of collapsible bag, collapsible bag below described oil pump is provided with locating button, the oil pipeline of described oil pump runs through blind flange connecting engine fuel-feed system, and the upper of described blind flange is also provided with emergent pore and oil filling port.
2. a kind of gas-protecting type fuel tank assembly according to claim 1, is characterized in that, described collapsible bag adopts oil-resistant rubber material to be made.
3. a kind of gas-protecting type fuel tank assembly according to claim 1, it is characterized in that, the bottom of described scavenge valve is provided with filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420622692.9U CN204123957U (en) | 2014-10-27 | 2014-10-27 | A kind of gas-protecting type fuel tank assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420622692.9U CN204123957U (en) | 2014-10-27 | 2014-10-27 | A kind of gas-protecting type fuel tank assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204123957U true CN204123957U (en) | 2015-01-28 |
Family
ID=52380343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420622692.9U Expired - Fee Related CN204123957U (en) | 2014-10-27 | 2014-10-27 | A kind of gas-protecting type fuel tank assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204123957U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468615A (en) * | 2015-08-18 | 2017-03-01 | 联合汽车电子有限公司 | Simulation fuel tank for oil pump bracket assembly vibration test and vibration test system |
| CN113771615A (en) * | 2021-09-01 | 2021-12-10 | 江苏耀坤液压股份有限公司 | High cleanliness steel oil tank for engineering machinery |
-
2014
- 2014-10-27 CN CN201420622692.9U patent/CN204123957U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468615A (en) * | 2015-08-18 | 2017-03-01 | 联合汽车电子有限公司 | Simulation fuel tank for oil pump bracket assembly vibration test and vibration test system |
| CN106468615B (en) * | 2015-08-18 | 2019-08-13 | 联合汽车电子有限公司 | Simulation fuel tank and vibration test system for oil pump bracket assembly vibration test |
| CN113771615A (en) * | 2021-09-01 | 2021-12-10 | 江苏耀坤液压股份有限公司 | High cleanliness steel oil tank for engineering machinery |
| CN113771615B (en) * | 2021-09-01 | 2022-12-09 | 江苏耀坤液压股份有限公司 | High cleanliness steel oil tank for engineering machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20181027 |