CN209208486U - A kind of fuel tank - Google Patents

Abstract

The utility model discloses a kind of fuel tanks, including oil tank body, the bottom surface of oil tank body has the first bottom surface corresponding with oil pump position and second bottom surface adjacent with the first bottom surface, between first bottom surface and the second bottom surface there is the first band geosynclinal convex to rise, the first band geosynclinal convex, which rises, separates the first bottom surface and the second bottom surface.The second bottom surface is improved in this programme, the height of second bottom surface is improved, make the height of the second bottom surface at least equal to the height for the upper surface that the first band geosynclinal convex rises, i.e. the height of the second bottom surface can be equal to the height for the upper surface that the first band geosynclinal convex rises, the height for the upper surface that the first band geosynclinal convex rises can also be higher than, so that the first band geosynclinal convex plays the oil liquid circulation that will not be obstructed between the first bottom surface and the second bottom surface, and second the oil liquid of bottom surface can flow into the first bottom surface, oil liquid in oil tank body is more taken away by oil pump, improve the utilization rate of fuel tank inner fluid.

Description

A kind of fuel tank

Technical field

The utility model relates to fuel tank of passenger vehicle technical field, in particular to a kind of fuel tank.

Background technique

It is provided with the band slot for mounting ferrule band on fuel tank, the inner wall of the position for being provided with band slot of fuel tank in fuel tank It will form protrusion, the bottom surface of the height meeting height fuel tank for the protrusion that band slot is formed will lead in use and be located at protrusion Oil liquid below upper surface between fuel tank bottom surface cannot be extracted, and reduce the utilization rate of fuel tank inner fluid.

Therefore, the utilization rate for how improving fuel tank inner fluid becomes those skilled in the art's technical problem urgently to be resolved.

Utility model content

In view of this, the present invention provides a kind of fuel tanks, to improve the utilization rate of fuel tank inner fluid.

To achieve the above object, the utility model provides the following technical solutions:

A kind of fuel tank, comprising:

Oil tank body, the bottom surface of the oil tank body have the first bottom surface corresponding with oil pump position and with first bottom The second adjacent bottom surface of face between first bottom surface and second bottom surface there is the first band geosynclinal convex to rise；

The height of second bottom surface is more than or equal to the height for the upper surface that the first band geosynclinal convex rises.

Preferably, in above-mentioned fuel tank, height second bottom far from first bottom surface of second bottom surface The height close to first bottom surface in face is high.

Preferably, in above-mentioned fuel tank, the upper surface of the height of first bottom surface the first band geosynclinal convex It is highly low.

Preferably, in above-mentioned fuel tank, the oil tank body also has the third bottom surface adjacent with second bottom surface, institute Stating between the second bottom surface and the third bottom surface, there is the second band geosynclinal convex to rise,

The height of the third bottom surface is more than or equal to the height for the upper surface that the second band geosynclinal convex rises.

It can be seen from the above technical proposal that a kind of fuel tank provided by the utility model, including oil tank body, oil tank body Bottom surface have the first bottom surface corresponding with oil pump position and second bottom surface adjacent with the first bottom surface, the first bottom surface and the second bottom Between face there is the first band geosynclinal convex to rise, the first band geosynclinal convex, which rises, separates the first bottom surface and the second bottom surface.To second in this programme Bottom surface improves, and the height of the second bottom surface is improved, and plays the height of the second bottom surface more than or equal to the first band geosynclinal convex Upper surface height, i.e. the height of the second bottom surface can be equal to the height for the upper surface that the first band geosynclinal convex rises, can also be high The height of upper surface in the first band geosynclinal convex, so that the first band geosynclinal convex, which rises, will not obstruct the first bottom surface and the second bottom Oil liquid circulation between face, and the oil liquid of the second bottom surface can flow into the first bottom surface, enable oil liquid in oil tank body more More is taken away by oil pump, improves the utilization rate of fuel tank inner fluid.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of fuel tank provided by the embodiment of the utility model.

1, the first bottom surface, the 2, second bottom surface, the 3, first band geosynclinal convex rise.

Specific embodiment

The utility model discloses a kind of fuel tanks, to improve the utilization rate of fuel tank inner fluid.

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, Fig. 1 is the structural schematic diagram of fuel tank provided by the embodiment of the utility model.

The utility model discloses a kind of fuel tank, including oil tank body, the bottom surface of oil tank body has and oil pump position pair The first bottom surface 1 and second bottom surface 2 adjacent with the first bottom surface 1 answered have the first hoop between the first bottom surface 1 and the second bottom surface 2 Trough of belt protrusion 3, the first band geosynclinal convex play 3 and separate the first bottom surface 1 and the second bottom surface 2.

This programme improves the second bottom surface 2, and the height of the second bottom surface 2 is raised, and is greater than the height of the second bottom surface 2 Or the height of 3 upper surface is played equal to the first band geosynclinal convex, i.e., the height of the second bottom surface 2 can be equal to the first band geosynclinal convex and rise The height of 3 upper surface can also be higher than the height that the first band geosynclinal convex plays 3 upper surface, so that the first band geosynclinal convex It plays the oil liquid that 3 will not obstruct between the first bottom surface 1 and the second bottom surface 2 to circulate, and the oil liquid of the second bottom surface 2 can flow into the first bottom Face 1 enables the oil liquid in oil tank body more to be taken away by oil pump, improves the utilization rate of fuel tank inner fluid.

The utilization rate of oil liquid in fuel tank improves, and also just reduces remaining oil liquid in fuel tank, so that it is solid to reduce vehicle There is quality.

By improving the height of the second bottom surface 2, the dead volume that fuel tank retains oil liquid is reduced, dead volume means oil liquid Remaining at this cannot be utilized.

In order to further optimize the above technical scheme, the height far from the first bottom surface 1 of the second bottom surface 2 is compared with the second bottom surface 2 The height close to the first bottom surface 1 it is high, in other words, the second bottom surface 2 far from the first band geosynclinal convex rise 3 position height compared with second Height of the bottom surface 2 close to the position that the first band geosynclinal convex plays 3 is high, i.e. the second bottom surface 2 generally inclined surface, and the second of this kind of structure Bottom surface 2 plays guiding role to oil liquid, so that oil liquid independently flow to the first bottom surface 1.

Stepped between the first bottom surface 1 and the second bottom surface 2 in this programme, the first band geosynclinal convex plays 3 and is located at ladder.

First bottom surface 1 correspondence oil pump, the i.e. lower section that the first bottom surface 1 is located at oil pump, the second bottom surface 2 are adjacent with the first bottom surface 1. When the first bottom surface 1 is located at the centre of the length direction of fuel tank, the second bottom surface 2 can be two, and two the second bottom surface 2 difference Positioned at the two sides of the first bottom surface 1, two the second bottom surfaces 2 and first bottom surface 1 are along linear setting；When the first bottom surface 1 is located at oil When the side of the length direction of case, the second bottom surface is only one, and the second bottom surface and the first bottom surface are disposed adjacent, and linear cloth It sets.

In order to further optimize the above technical scheme, the height of the first bottom surface 1 plays 3 upper surface compared with the first band geosynclinal convex It is highly low, guarantee effective fixation of the first band slot to band.The height of the first bottom surface 1 corresponding with oil pump position in this programme It is the minimum bottom surface of height.

Herein it should be noted that the uniform wall thickness of fuel tank everywhere is equal, the knoll of the second bottom surface 2, the second bottom surface 2 Part outside oil tank body can also correspondingly increase.

Oil tank body also has the third bottom surface adjacent with the second bottom surface 2, has the between the second bottom surface 2 and third bottom surface Two band geosynclinal convexs rise.

When oil tank body tool is there are two when the second bottom surface 2, the two sides of the first bottom surface 1 are respectively arranged with the first band geosynclinal convex and rise 3, the number that the first band geosynclinal convex plays 3 is two.

When the first bottom surface 1 is located at the centre of the length direction of fuel tank, the second bottom surface 2 can be two, third bottom surface It can be two, end of the side of the first bottom surface from the first bottom surface to fuel tank, which extends, is disposed with the second bottom surface and third bottom Face, end of the other side of the first bottom surface from the first bottom surface to fuel tank, which extends, is also disposed with the second bottom surface and third bottom surface； The number of third bottom surface may be one, and third bottom surface is located at the first end of the first bottom surface, and the first side of the first bottom surface is certainly First bottom surface extends to the end of fuel tank successively has the second bottom surface and third bottom surface, and second side of the first bottom surface only has second Bottom surface；

When the first bottom surface is located at one end of the length direction of fuel tank, the first bottom surface 1, the second bottom surface 2 and third bottom surface edge Linearly set gradually.

In the embodiment, the height of third bottom surface is more than or equal to the height for the upper surface that the second band geosynclinal convex rises.

The oil liquid of third bottom surface flow to the second bottom surface 2 first, then flow to the first bottom surface 1, the first bottom surface by the second bottom surface 2 1 oil liquid is finally taken away by oil pump.

The design of third bottom surface can further reduce the volume of the dead volume in fuel tank, further increase in fuel tank The utilization rate of oil liquid.

The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (4)

1. a kind of fuel tank, comprising:

Oil tank body, the bottom surface of the oil tank body have the first bottom surface (1) corresponding with oil pump position and with first bottom Adjacent the second bottom surface (2) in face (1) between first bottom surface (1) and second bottom surface (2) there is the first band geosynclinal convex to rise (3)；

It is characterized in that, the height of second bottom surface (2) is more than or equal to the upper surface that the first band geosynclinal convex plays (3) Height.

2. fuel tank according to claim 1, which is characterized in that separate first bottom surface (1) of second bottom surface (2) Height second bottom surface (2) the height close to first bottom surface (1) it is high.

3. fuel tank according to claim 1, which is characterized in that height first band of first bottom surface (1) The height for the upper surface that geosynclinal convex rises is low.

4. fuel tank according to claim 1, which is characterized in that the oil tank body also has and second bottom surface (2) Adjacent third bottom surface between second bottom surface (2) and the third bottom surface there is the second band geosynclinal convex to rise,

The height of the third bottom surface is more than or equal to the height for the upper surface that the second band geosynclinal convex rises.