CN206623676U - Put the loading system of fuel tank in a kind of left and right - Google Patents

Put the loading system of fuel tank in a kind of left and right Download PDF

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Publication number
CN206623676U
CN206623676U CN201720276557.7U CN201720276557U CN206623676U CN 206623676 U CN206623676 U CN 206623676U CN 201720276557 U CN201720276557 U CN 201720276557U CN 206623676 U CN206623676 U CN 206623676U
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China
Prior art keywords
fuel tank
filling
filling side
side fuel
loading system
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Application number
CN201720276557.7U
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Chinese (zh)
Inventor
陈磊
刘鹏
孟建军
陈莉
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Dongfeng Off Road Vehicle Co Ltd
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Dongfeng Motor Corp
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Abstract

The utility model discloses the loading system that fuel tank is put in a kind of left and right, including filling side fuel tank and non-filling side fuel tank, connected between the filling side fuel tank and the bottom of non-filling side fuel tank by intermediate connection pipe;It is provided with the top of the filling side fuel tank for the charging line for fuel oil injection, described to fill the filling degasification pipeline being additionally provided with the top of the fuel tank of side for for the discharge of its internal gas, the top of the filling degasification pipeline connects with charging line;It is provided with the top of the non-filling side fuel tank for the weight valve for the discharge of its internal gas.Fuel oil filling system of the present utility model can ensure that non-filling side air is smoothly discharged so that loading system remains stable by being provided with the weight valve for being discharged for its internal gas at the top of non-filling side fuel tank.

Description

Put the loading system of fuel tank in a kind of left and right
Technical field
Technical field of vehicle is the utility model is related to, the loading system of fuel tank is put in particular to a kind of left and right.
Background technology
Under general case, the fuel oil filling system of vehicle typically has two kinds of forms:One kind is light vehicle, usual fuel tank Volume is smaller, as shown in figure 1, carrying out the filling of fuel oil by a charging line 4.During fuel filling, due to being fired in fuel tank 7 Otherwise the increase of oil will cause fuel filling difficult, it is therefore desirable to individually to set, it is necessary in time by the gas discharge in fuel tank 7 Filling gas removing pipe 5 is put, and the pipeline must be walked continuously upwards, not allow have U-shaped section, otherwise will have fuel oil and be deposited on U Type section, influence air discharge effect.
Another kind is medium and heavy car type, and typically using big cubage fuel tank, the filler of fuel tank is very big, and is much larger than Nozzle diameter, in this case, it is not necessary to which filling gas removing pipe is set, and the air of exclusion can be escaped directly from filler.
For light vehicle, when vehicle is limited by arrangement, side can not arrange down the big volume that disclosure satisfy that vehicle needs During fuel tank, then need to be respectively arranged a fuel tank in vehicle diverse location, there is two ways solution in this case:When Different fillers is set to different fuel tanks, separately designs filling gas removing pipe.But if fuel tank is respectively in left and right sides, difference Set filler at two to influence very much filling process in both sides, very big inconvenience is brought to use;Second, the filling by the left and right sides Side fuel tank 1 and non-filling side fuel tank 2 are connected, and set intermediate connection pipe 3 in tank bottoms, while set in two top of oil-tank Put degasification connecting tube 8 and connect (as shown in Figure 2), in this case in order to avoid there is fuel oil deposition in pipeline, degasification connecting tube 8 is not Can have U-shaped section, thus easily cause in the case that the arrangement space of light vehicle is limited degasification connecting tube 8 occur bending or Block so that the air inside non-filling side fuel tank 2 can not exclude.If non-filling side fuel tank 2 is directly and atmosphere, deposit In oil leak risk.
The content of the invention
The purpose of this utility model seeks to provide the loading system that fuel tank is put in a kind of left and right, and the fuel oil filling system leads to Cross at the top of non-filling side fuel tank and be provided with for the weight valve for the discharge of its internal gas, non-filling side air can be ensured Smoothly discharge so that loading system remains stable.
To achieve the above object, the loading system of fuel tank, including filling are put in a kind of left and right designed by the utility model Pass through intermediate connection Guan Lian between the bottom of side fuel tank and non-filling side fuel tank, the filling side fuel tank and non-filling side fuel tank It is logical;It is provided with the top of the filling side fuel tank for the charging line for fuel oil injection, the top of the filling side fuel tank is also It is provided with and connects for the filling degasification pipeline for the discharge of its internal gas, the top of the filling degasification pipeline with charging line It is logical;It is provided with the top of the non-filling side fuel tank for the weight valve for the discharge of its internal gas.
Further, the bottom face of the filling side fuel tank and non-filling side fuel tank is located on same horizontal plane.
Further, the height of the weight valve top end face is less than the height of the charging line peak.
Further, the top of the weight valve and non-filling side fuel tank is welded.
Compared with prior art, the utility model has the advantages that:
The utility model is timely when being filled for fuel oil by setting a weight valve in non-filling side top of oil-tank Exclude the air of non-filling side fuel tank internal so that fuel oil can flow into non-filling side from the intermediate connection pipe of left and right tank bottoms In fuel tank, weight valve can be exhausted under less resistance, while can prevent fuel oil from leaking when vehicle topples, and Air can be supplemented in time when fuel tank internal fuel consumes, keep fuel tank internal air pressure balance.
Brief description of the drawings
Fig. 1 is the structural representation of the loading system of traditional light vehicle;
Fig. 2 is the structural representation for the loading system that traditional left and right sides arranges fuel tank;
Fig. 3 is the loading system structural representation that fuel tank is put in left and right of the present utility model;
Wherein:1- filling side fuel tank, the non-filling side fuel tanks of 2-, 3- intermediate connections pipe, 4- charging lines, 5- filling gas removing pipes Road, 6- weight valves, 7- fuel tanks, 8- degasification connecting tubes.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
The loading system of fuel tank, including filling side fuel tank 1 and non-filling side fuel tank 2 are put in a kind of left and right as depicted, Connected between the bottom of the filling side fuel tank 1 and non-filling side fuel tank 2 by intermediate connection pipe 3;The filling side fuel tank 1 Top is provided with to be additionally provided with for for inside it for the charging line 4 for fuel oil injection, the top of the filling side fuel tank 1 The filling degasification pipeline 5 of gas discharge, the top of the filling degasification pipeline 5 connect with charging line 4;The non-filling side oil The top of case 2 is provided with for the weight valve 6 for the discharge of its internal gas.The filling side fuel tank 1 and non-filling side fuel tank 2 Bottom face is located on same horizontal plane.The height of the top end face of weight valve 6 is less than the height of the peak of charging line 4 Degree.The top of weight valve 6 and non-filling side fuel tank 2 is welded, and weight valve 6 can use commercially available weight valve, be set in weight valve body There are float and spring, stroke is not more than 3.2mm between weight valve float and upper strata body, can make fuel tank under less resistance It is exhausted.Simultaneously when vehicle topples, because the effect float of spring force rises, it can prevent fuel oil from leaking.And weight valve In fuel tank under negative pressure condition, can with outside air keep it is unimpeded, when fuel tank internal fuel consumes in time from the external world to Supplement air in fuel tank, by respiratory function, keep fuel tank internal air pressure balance.
The course of work of the present utility model:When fuel oil enters filling side fuel tank 1 from the charging line 4 of filling side, fuel oil Persistently pour in filling side fuel tank 1, a portion flows into non-filling side fuel tank 2 by the intermediate connection pipe 3 of bottom.Due to adding Note degasification pipeline 5 is arranged in filling side fuel tank 1, and the pipeline is less than weight valve 6 except atmidometer, fills major part air at initial stage It will be excluded by filling the filling degasification pipeline 5 on side fuel tank 1, when fuel liquid level covers bottom connection hole position, fill side fuel tank 1 In air still by fill side fuel tank 1 on filling degasification pipeline 5 exclude, rather than filling side fuel tank 2 in air will be by gravity Valve 6 excludes.According to actual size, certain limit is limited in by the diameter of weight valve 6, so as not to fuel oil under limiting condition by part Situation about oozing out, weight valve 6 still suffer from certain resistance.When left and right sides fuel tank forms liquid level difference, under fuel oil Action of Gravity Field, add The big air discharge rate of weight valve 6 so that system is able to maintain that in certain stable state, ensures that non-filling side air can be arranged smoothly Go out, because filling side filler pipe height is high, certain pressure can be formed to weight valve all the time, so that gas is from weight valve to oil Discharged outside case, smoothly complete fuel filling process.In addition, also have overturn-preventing structure inside weight valve, and when vehicle topples, combustion Oil will not also be revealed from valve.
It is described above, only specific embodiment of the present utility model, it is noted that any to be familiar with those skilled in the art Member is in the technical scope disclosed by the utility model, and the change or replacement that can readily occur in should all be covered in the utility model Protection domain within.

Claims (4)

1. the loading system of fuel tank is put in a kind of left and right, it is characterised in that:Including filling side fuel tank (1) and non-filling side fuel tank (2), connected between the bottom of the filling side fuel tank (1) and non-filling side fuel tank (2) by intermediate connection pipe (3);It is described to add It is provided with the top of note side fuel tank (1) for the charging line (4) for fuel oil injection, the top of the filling side fuel tank (1) is also It is provided with for the filling degasification pipeline (5) for the discharge of its internal gas, the top of the filling degasification pipeline (5) and filler pipe Road (4) connects;It is provided with the top of the non-filling side fuel tank (2) for the weight valve (6) for the discharge of its internal gas.
2. the loading system of fuel tank is put in left and right according to claim 1, it is characterised in that:The filling side fuel tank (1) It is located at the bottom face of non-filling side fuel tank (2) on same horizontal plane.
3. the loading system of fuel tank is put in left and right according to claim 1, it is characterised in that:Weight valve (6) top The height in face is less than the height of the charging line (4) peak.
4. the loading system of fuel tank is put in the left and right according to claim 1 or 2 or 3, it is characterised in that:The weight valve (6) top with non-filling side fuel tank (2) is welded.
CN201720276557.7U 2017-03-21 2017-03-21 Put the loading system of fuel tank in a kind of left and right Active CN206623676U (en)

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CN201720276557.7U CN206623676U (en) 2017-03-21 2017-03-21 Put the loading system of fuel tank in a kind of left and right

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720276557.7U CN206623676U (en) 2017-03-21 2017-03-21 Put the loading system of fuel tank in a kind of left and right

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CN206623676U true CN206623676U (en) 2017-11-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109852984A (en) * 2019-03-20 2019-06-07 南通安思卓新能源有限公司 A kind of hydrogen production plant by water electrolysis master and slave type water sealed tank
CN112573472A (en) * 2020-11-18 2021-03-30 贵州贵航飞机设计研究所 Pre-selection refueling control system and refueling method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109852984A (en) * 2019-03-20 2019-06-07 南通安思卓新能源有限公司 A kind of hydrogen production plant by water electrolysis master and slave type water sealed tank
CN112573472A (en) * 2020-11-18 2021-03-30 贵州贵航飞机设计研究所 Pre-selection refueling control system and refueling method

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Address after: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan

Patentee after: dFac

Address before: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan

Patentee before: Dongfeng Car Co.

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Effective date of registration: 20200508

Address after: 442002 No.1 Jianshe Avenue, zone a, industrial new area, Zhangwan District, Shiyan City, Hubei Province

Patentee after: Dongfeng Off-road Vehicle Co., Ltd.

Address before: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan

Patentee before: DONGFENG MOTOR Corp.

TR01 Transfer of patent right