CN218141045U - A kind of automobile fuel tank assembly structure - Google Patents

Abstract

The utility model provides an automobile fuel tank assembly structure, which comprises a fuel tank body, wherein two convex ribs are arranged on the left side and the right side of the fuel tank body in parallel, the convex ribs are arranged on the fuel tank body in a surrounding way, and a fixing groove is formed between the two convex ribs; the oil through partition plates are fixedly arranged at positions, located below the fixing grooves, in the fuel tank body and are respectively arranged on the left side and the right side of the fuel tank body. The utility model aims at providing a simple structure, with low costs, resistant negative pressure and resistant malleation performance are good, stretching strap fixed position atress non-deformable's automobile fuel tank assembly structure on the oil tank.

Description

A kind of automobile fuel tank assembly structure

technical field

The utility model relates to the field of auto parts, in particular to an automobile fuel tank assembly structure.

Background technique

The fuel tank assembly is one of the important functional and safety parts in the fuel system, which must meet the requirements of air tightness, corrosion resistance, vibration durability, and welding strength. Because the oil pump is always pumping oil when the vehicle is running, if the canister breather pipe cannot supply air to the fuel tank in time, the fuel tank will have negative pressure; It is positive pressure, so the fuel tank assembly must also meet the requirements of positive pressure resistance and negative pressure resistance. At present, the method of increasing the wall thickness of the fuel tank or adding complex ribs on the surface of the fuel tank is generally used to meet the positive pressure and negative pressure resistance requirements of the fuel tank. Increasing the wall thickness of the fuel tank will increase the cost of the fuel tank, and the fuel tank mold with complex ribs added to the surface is complicated. The mold design cycle is long and the manufacturing and processing costs are high. At present, the fixing methods of the fuel tank assembly can be divided into two types: bolt fixing and tie fixing. The coiled fuel tank is usually fixed by a tie. The fuel tank fixed by a tie on the market, after tightening the fixing nut of the tie, The pull strap is in a tight state, and the fixed position of the pull strap on the fuel tank is easily deformed by force. Therefore, need to invent a kind of new automobile fuel tank assembly structure.

Utility model content

The purpose of the utility model is to provide an automobile fuel tank assembly structure with simple structure, low cost, good resistance to negative pressure and positive pressure, and the fixed position of the pull belt on the fuel tank is not easily deformed under force.

The technical scheme that the utility model solves its technical problem adopts is:

An automobile fuel tank assembly structure, comprising a fuel tank body, two ribs are arranged in parallel on the left and right sides of the fuel tank body, the ribs are arranged around the fuel tank body, and Fixing grooves are formed between the ribs; an oil-passing partition is fixedly arranged at a position below the fixing groove inside the fuel tank body, and the oil-passing partitions are respectively arranged on the left and right sides of the fuel tank body.

Further, a large oil hole is provided in the middle of the oil-passing separator.

Furthermore, several small oil holes are arranged on the oil spacer, and the small oil holes are arranged around the large oil holes.

Further, several oil passage grooves are provided on the upper and lower sides of the oil passage baffle.

Further, the side of the oil-passing partition is provided with a flanging structure, and the flanging structure is fixedly connected with the inner side wall of the fuel tank body.

Further, the left and right sides of the fuel tank body are fixedly provided with end caps, and an oil inlet pipe is fixedly provided on the end caps.

Further, the side of the end cap is provided with a flanging structure, and the flanging structure is fixedly connected with the inner side wall of the fuel tank body.

Further, the upper end of the fuel tank body is provided with a fuel pump installation hole, and a chuck for fixing the fuel pump is fixedly arranged on the fuel pump installation hole.

Further, a drawstring is fixedly arranged in the fixing groove, and the drawstring is fixedly connected with the fuel tank installation bracket, and the fuel tank installation bracket is fixedly connected with the vehicle body longitudinal beam.

Further, the fuel tank mounting bracket has an L-shaped structure, the pull strap is fixedly connected to the bottom and side of the fuel tank mounting bracket, and the side of the fuel tank mounting bracket is fixedly connected to the vehicle body longitudinal beam.

Beneficial effects of the utility model: the utility model is an automobile fuel tank assembly structure, and two sets of oil-passing partitions are correspondingly arranged at the fixed position of the drawstring of the fuel tank, which can effectively resist the impact of the drawstring on the fuel tank after the bolt is fastened. The compression force prevents the position of the pull belt of the fuel tank assembly from being deformed by force; the oil-passing partition can also prevent the violent shaking of gasoline in the fuel tank when the vehicle is tilted forward and backward, and reduce the pressure on the fixed structure of the fuel tank.

The utility model will be described in detail below in conjunction with the accompanying drawings and embodiments.

Description of drawings

Fig. 1 is the installation structural diagram of a kind of automobile fuel tank assembly structure of the present utility model.

Fig. 2 is a structure diagram of an automobile fuel tank assembly of the present invention, showing its internal and external structures respectively.

Fig. 3 is a structural diagram of the oil separator in the utility model.

detailed description

A kind of automobile fuel tank assembly structure as shown in Figure 1 and Figure 2, comprises fuel tank body 1, in order to ensure the rigidity of fuel tank body 1, described fuel tank body 1 is rolled into rectangular structure by steel plate; Two ribs 2 are arranged in parallel on the left and right sides of the fuel tank body 1, and the ribs 2 are arranged around the fuel tank body 1, and a fixing groove 21 is formed between the two ribs 2; the fixing groove 21 are respectively arranged on both sides of the fuel tank body 1, and are used for fixing the limit drawstring 7; in order to prevent the fuel tank body 1 from being deformed at the fixed position of the drawstring 7 after the drawstring 7 is fixed with the bolt, the fuel tank body 1 The inside of the tank is located below the fixed groove 21 and is fixedly provided with an oil-passing partition 3. The oil-passing partition 3 is respectively arranged on the left and right sides of the fuel tank body 1. The oil-passing partition 3 can also prevent the vehicle from leaning forward. And the violent shaking of gasoline in the fuel tank when tilting backward.

Preferably, in combination with the above solution, in order to reduce the amount of oil sloshing in the middle of the oil tank, a large oil hole 31 is provided in the middle of the oil-passing separator 3 . The movement of the oil at the position of the large through oil hole 31 should be relatively stable, so a large hole is provided.

Preferably, in combination with the above-mentioned solution, in order to reduce the amount of oil sloshing in the upper and lower parts of the oil tank, the oil-through separator 3 is also provided with several small oil-through holes 32, and the small oil-through holes 32 are arranged at the top of the large oil-through holes 31. around. The amount of oil sloshing at the position of the small oil through hole 32 is relatively large, opening small holes can increase resistance and reduce the amount of oil sloshing.

Preferably, in combination with the above solution, in order to reduce the amount of oil sloshing at the top and bottom of the oil tank and facilitate better circulation of the oil, several oil passage grooves 33 are provided on the upper and lower sides of the oil passage baffle 3 .

Preferably, in combination with the above scheme, in order to facilitate welding and fixing the oil passage baffle 3 on the inner wall of the fuel tank body 1, the side of the oil passage 3 is provided with a flanging structure, and the flanging structure is connected with the fuel tank body. The inner side wall of the box body 1 is fixedly connected.

Preferably, in combination with the above scheme, in order to facilitate the manufacture of the fuel tank and the installation of the fuel inlet pipe 6, the left and right sides of the fuel tank body 1 are fixedly provided with end caps 5, and the described end caps 5 are fixedly provided with inlet pipes. tubing6.

Preferably, in combination with the above scheme, in order to weld and fix the end cap 5 on the inner walls of both sides of the fuel tank body 1, the side of the end cap 5 is provided with a flanging structure, and the flanging structure and the fuel tank body 1, the inner side wall is fixedly connected.

Preferably, in combination with the above solution, in order to facilitate the installation of the fuel pump, the upper end of the fuel tank body 1 is provided with a fuel pump installation hole 11, and the fuel pump installation hole 11 is fixedly provided with a chuck 4 for fixing the fuel pump . The chuck 4 is fixedly connected with the fuel tank body 1 by resistance spot welding, and the chuck 4 is common to the National VI vehicles and is a standard part.

Preferably, in combination with the above solution, in order to better cooperate with the fixing groove 21 to fix the fuel tank assembly on the side member of the vehicle body, a drawstring 7 is fixedly arranged in the fixing groove 21, and the drawstring 7 is connected with the fuel tank mounting bracket 8 are fixedly connected, and the fuel tank mounting bracket 8 is arranged in two groups in parallel, and the fuel tank mounting bracket 8 is fixedly connected with the vehicle body longitudinal beam 9.

Preferably, in combination with the above solution, in order to better fix the fuel tank assembly on the vehicle body longitudinal beam, the fuel tank mounting bracket 8 is an L-shaped structure, the fuel tank assembly is placed on the fuel tank mounting bracket 8, and used The drawstring 7 is fixedly connected to the bottom and side of the fuel tank mounting bracket 8 to fix the fuel tank assembly therein; It is fixedly connected with the side; the side of the fuel tank mounting bracket 8 is fixedly connected with the vehicle body longitudinal beam 9 through bolts.

The principle of the utility model: when the two pull straps 7 are fastened, the pull straps will generate a compressive force on the fuel tank body 1. Contact stress is generated, and this position is prone to deformation; and the oil-passing partitions 3 are respectively arranged at the positions corresponding to the drawstrings 7 inside the fuel tank to resist the compression force generated by the drawstrings 7 and improve the rigidity of the fuel tank. Effectively prevent the fuel tank body 1 from being deformed, and at the same time enhance the positive and negative pressure resistance of the fuel tank assembly. The oil-passing separator 3 can also prevent violent shaking of gasoline in the fuel tank when the vehicle is tilted forward and backward, reducing the pressure caused to the fixed structure of the fuel tank. The fixing groove 21 not only plays the role of the position-limiting drawstring 7, but also increases the structural rigidity of the fuel tank body 1.

In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "back" etc. are based on the The orientation or positional relationship is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be interpreted as a reference to the utility model. limits. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned method, as long as various improvements of the method concept and technical solutions of the utility model are adopted, or directly applied without improvement In other occasions, all fall within the protection scope of the present utility model.

Claims (10)

1. An automobile fuel tank assembly structure, comprising a fuel tank body (1), characterized in that two ribs (2) are arranged in parallel on the left and right sides of the fuel tank body (1), and the The ribs (2) are arranged around the fuel tank body (1), and a fixing groove (21) is formed between the two ribs (2); inside the fuel tank body (1), it is located below the fixing groove (21) The position of the fuel tank body (1) is fixedly provided with oil-passing partitions (3), and the oil-passing partitions (3) are respectively arranged on the left and right sides of the fuel tank body (1). 2. The automobile fuel tank assembly structure according to claim 1, characterized in that, a large oil hole (31) is provided in the middle of the oil-passing partition (3). 3. The automobile fuel tank assembly structure according to claim 1 or 2, characterized in that, the described oil-passing partition (3) is also provided with several small oil-through holes (32), the small oil-through holes (32) is arranged around the big through oil hole (31). 4. The automobile fuel tank assembly structure according to claim 1, characterized in that, a plurality of oil passage grooves (33) are arranged on the upper and lower sides of the oil passage partition (3). 5. The automobile fuel tank assembly structure according to claim 1, characterized in that, the side of the oil-passing partition (3) is provided with a flanging structure, and the flanging structure is connected with the fuel tank body (1 ) is fixedly connected to the inner wall. 6. The automobile fuel tank assembly structure according to claim 1, characterized in that, the left and right sides of the fuel tank body (1) are fixedly provided with end caps (5), and the described end caps (5) An oil inlet pipe (6) is fixedly arranged on the top. 7. The automobile fuel tank assembly structure according to claim 6, characterized in that, the side of the end cover (5) is provided with a flanging structure, and the flanging structure and the fuel tank body (1) The inner wall is fixedly connected. 8. The automobile fuel tank assembly structure according to claim 1, characterized in that, the upper end of the fuel tank body (1) is provided with a fuel pump mounting hole (11), and the fuel pump mounting hole (11) A chuck (4) for fixing the fuel pump is fixedly arranged on the top. 9. The automobile fuel tank assembly structure according to claim 1, characterized in that a drawstring (7) is fixedly arranged in the fixing groove (21), and the drawstring (7) is connected with the fuel tank mounting bracket (8) Fixedly connected, the described fuel tank installation bracket (8) is fixedly connected with the vehicle body longitudinal beam (9). 10. The automobile fuel tank assembly structure according to claim 9, characterized in that, said fuel tank mounting bracket (8) is an L-shaped structure, and said drawstring (7) and fuel tank mounting bracket (8) The bottom edge and the side edge are fixedly connected, and the side edge of the fuel tank mounting bracket (8) is fixedly connected with the vehicle body longitudinal beam (9).

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