CN202029694U

CN202029694U - Automobile fuel tank

Info

Publication number: CN202029694U
Application number: CN201020656190XU
Authority: CN
Inventors: 翟允; 宋百忠; 王弘岩; 王海林; 刘强; 马芳武; 李书福; 杨健; 赵福全
Original assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely Automobile Research Institute Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely Automobile Research Institute Co Ltd
Priority date: 2010-12-14
Filing date: 2010-12-14
Publication date: 2011-11-09
Anticipated expiration: 2020-12-14

Abstract

The utility model relates to an automobile fuel tank with tank wall comprising a multilayer structure filled with medium therebetween. The automobile fuel tank comprises tank cavity containing fuel, formed by tank walls comprising an inner layer, a middle layer and an outer layer, wherein between the inner layer and the middle layer there is provided fire extinguishing substance suitable for extinguishing fuel fire, between the middle layer and the outer layer there is provided fireproof heat insulation material, and inside the tank cavity there is provide a damping cavity built therein. The utility model provides an automobile fuel tank which is not easy to be damaged, is good in fireproof effect, can alleviate the impact from fuel on the tank walls, has small noise, and can automatically extinguish a fire, thereby resolving the problem that when suffering impact, the automobile fuel tank is easy to be damaged, is not insulative to heat, is bad in fireproof function, has great noise, and suffers strong impact from the fuel.

Description

Automotive oil tank

Technical field

The utility model relates to the fuel tank that is used on the vehicle, relates in particular to the automotive oil tank that a kind of tank wall comprises multiple-structure and be filled with medium between each layer.

Background technology

The tank wall of existing automotive oil tank mostly is single layer structure, as being ZL200720123991.8 in China Patent No., name is called in the patent documentation of " aluminium alloy car fuel tank " and discloses a kind of fuel tank, its casing is made by aluminum alloy plate materials, and in casing, be provided with supporting box, to improve the dividing plate of casing intensity, it has following deficiency: the aluminum alloy good heat conductivity, in the winter time, the fuel oil in it easily freezes, and influences vehicle and normally uses, in hot environment, during especially by the outer presence of fire of case, fuel oil temperature can rise rapidly in the fuel tank, easily blasts; Aluminum alloy elasticity is not enough, is punctured easily in the collision, causes oil plant to leak; Though add dividing plate bump to fuel tank when oil plant rocks in the case certain effect that slows down is arranged, can not alleviate the fuel oil that automobile bumpiness causes and rock, promptly do not deal with problems, and the impulsive noise of casing is not had sound absorption for fuel oil from root; After the generation fuel tank is damaged and on fire, there is not fire-extinguishing function concurrently.

The utility model content

But the utility model provide a kind of not cracky, heat-insulating, fire-preventing effective, can slow down oil plant to the bump of tank wall, the automotive oil tank of the little self-extinguishing of noise, cracky when having solved existing automotive oil tank bump, not heat insulation, fire-proof function is poor, noise is big, oil plant is to problems such as the casing impact are big.

Above technical matters solves by following technical proposal: a kind of automotive oil tank, comprise the case chamber that holds oil plant, the tank wall that surrounds described case chamber comprises internal layer, middle level, skin, be filled with the extinguishing material that is applicable to the oil plant fire extinguishing between described internal layer and the described middle level, be filled with fire-proof heat-insulating material between described middle level and the described skin, in described case chamber, be built-in with the damping chamber.By the tank wall with fuel tank be designed to interior, in, outer three layers version, filling between internal layer and middle level can be to the material of fuel oil fire extinguishing, when fuel tank is crashed through, extinguishing material also can leak, and cover the oil plant surface of leaking, after on fire on every side, can open the effect that stops fuel combustion, promptly play automatic fire-extinguishing function; By between middle level and skin, filling fire-proof heat-insulating material, in the winter time the time, can prevent that oil plant from freezing on the one hand, on the other hand, when the fuel tank outside catches fire, can play and stop the fuel tank burning and prevent that oily temperature rise from causing the effect of exploding; By fuel tank being designed to the multiple-structure form of hollow, can also play the effect of the sound that absorbs oil plant bump casing simultaneously; In fuel tank case chamber the damping chamber is set, oil plant is contained in the damping chamber, can slow down the bump of oil plant to tank wall effectively, because damping chamber elasticity is better, when fuel tank was squeezed or collide, this chamber is cracky not, so oil plant is difficult for leaking simultaneously.

As fuel tank, described damping chamber comprises the cavity that is made by elastomeric material that is complementary with described case chamber, connects the damping attaching parts of described cavity and described internal layer.The cavity that elastomeric material is made, cracky not when being collided, cavity is connected on the internal layer by Flexible Connector, when oil plant rocks in cavity, the impact that is transferred on the tank wall can greatly reduce, the vibrations that the while car body passes to oil plant are also weakened, and make that rocking of oil plant generation is little.

As preferably, described damping attaching parts is a spring.Good damping effect.

Preferred as another, described damping attaching parts is a rubber cushion.Simple in structure.

As preferably, described elastomeric material is an oil proof rubber.Can be not turbid by the oil plant corruption, in light weight, good toughness.

As preferably, described extinguish material is a powder extinguishing agent.Good extinguishing effect, cost is low.

As preferably, described fire-proof heat-insulating material is asbestos.Versatile material obtains easily.

As preferably, described skin is that steel plate is made, and is provided with rust proof layer on described outer field outside face.Prevent that the superficies rust is turbid, influence the intensity of casing, can reduce the pollution of iron rust simultaneously environment.

The utlity model has following advantage, the tank wall of fuel tank is designed to the version of multilayer, and at interlayer filling extinguishing material, heat-insulating fireproof material, in the case chamber, place measures such as damping chamber and oil plant are stored in the damping chamber, make the utlity model has that noise is low, nonflammable, oil plant is little to the vibrations of tank wall, advantage such as cracky not, safety performance is good.

Description of drawings

Fig. 1 is the cross-sectional view of the utility model embodiment one.

Fig. 2 is the cross-sectional view of the utility model embodiment two.

Fig. 3 is the enlarged diagram of the A portion of Fig. 2.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Embodiment one, referring to Fig. 1, a kind of automotive oil tank, comprise the case chamber 1 that holds oil plant, the tank wall that surrounds described case chamber comprises internal layer 21, middle level 22, outer 23, internal layer 21, middle level 22, outer 23 threes connect as one in reservoir port 3 places, between internal layer 21 and middle level 22, be filled with the extinguishing material 4 that is applicable to the oil plant fire extinguishing, extinguishing material 4 is a powder extinguishing agent, between internal layer 21 and middle level 22, go back compressed air suits, between middle level 22 and outer 23, be filled with fire-proof heat-insulating material 5, fire-proof heat-insulating material 5 is asbestos, be built-in with damping chamber 6 in case chamber 1, damping chamber 6 comprises cavity 61 and cavity 61 is connected damping attaching parts 62 on the internal layer 21 that damping attaching parts 62 is a spring, cavity 61 is made for oil proof rubber, be provided with rust proof layer on outer 23 outside face, rust proof layer is the anti-rust paint of application on outer 23 outside faces, and anti-rust paint is coated with full outer 23 whole outer surface.

Embodiment two, referring to Fig. 2, with the difference of embodiment one are, outer 23 thickness is the thickest, and for steel plate is made, the thickness in middle level 22 is the thinnest, fire-proof heat-insulating material 5 is a glass fibre, and the cavity 61 and the damping attaching parts 62 in damping chamber 6 are structure as a whole, and damping attaching parts 62 is a rubber pad;

Referring to Fig. 3, damping attaching parts 62 is the hollow rubber pad of accordion, the bore of the port 63 of the end that it is connected with internal layer 21 less than with the internal diameter of port 63 adjacent parts, on internal layer 21, be provided with the connector 25 of band neck 24, realize in the neck 24 being connected between damping attaching parts 62 and the internal layer 21 by port 63 is stuck in.

During use; oil plant is contained in the cavity 61; in order to guarantee that cavity 61 has elastomeric deformation characteristic; cavity is made with elastomeric material and gets final product; when bump cavity cracky not like this; dress oil plant within it can not flow out, and cavity 61 is connected on the internal layer by damping attaching parts 62, so the vibrations in the vehicle traveling process are after its damping; just weakened a lot when passing to oil plant; make oil plant little to the vibrations of tank wall, the impulsive noise of oil plant is also just little, when the fuel tank outside catches fire; fire-proof heat-insulating material 5 can prevent oily temperature fast rise; be difficult for producing blast, when the skin and the middle level breakage of fuel tank; when the fuel tank outside caught fire, extinguishing material was under the effect of the pressure gas between internal layer and the middle level; eject; fire around the fuel tank is put out, can play the effect of protection fuel tank, when oil tank wall and all breakages of cavity; oil plant leaks outside and when catching fire; extinguishing material ejects the surface that covers oil plant under the effect of the pressure gas between internal layer and the middle level, can inner control even put out the oil fire.

Claims

1. automotive oil tank, comprise the case chamber that holds oil plant, it is characterized in that, the tank wall that surrounds described case chamber comprises internal layer, middle level, skin, be filled with the extinguishing material that is applicable to the oil plant fire extinguishing between described internal layer and the described middle level, be filled with fire-proof heat-insulating material between described middle level and the described skin, in described case chamber, be built-in with the damping chamber.

2. automotive oil tank according to claim 1 is characterized in that, described damping chamber comprises the cavity that is made by elastomeric material that is complementary with described case chamber, connects the damping attaching parts of described cavity and described internal layer.

3. automotive oil tank according to claim 2 is characterized in that, described damping attaching parts is a spring.

4. automotive oil tank according to claim 2 is characterized in that, described damping attaching parts is a rubber cushion.

5. according to claim 2 or 3 or 4 described automotive oil tanks, it is characterized in that described elastomeric material is an oil proof rubber.

6. according to claim 1 or 2 or 3 or 4 described automotive oil tanks, it is characterized in that described extinguishing material is a powder extinguishing agent.

7. automotive oil tank according to claim 6 is characterized in that, described fire-proof heat-insulating material is asbestos.

8. automotive oil tank according to claim 7 is characterized in that, described skin is that steel plate is made, and is provided with rust proof layer on described outer field outside face.

9. according to claim 1 or 2 or 3 or 4 described automotive oil tanks, it is characterized in that described fire-proof heat-insulating material is asbestos.

10. according to claim 1 or 2 or 4 described automotive oil tanks, it is characterized in that described skin is that steel plate is made, and is provided with rust proof layer on described outer field outside face.