CN113561766A

CN113561766A - Impact-resistant high-safety plastic oil tank

Info

Publication number: CN113561766A
Application number: CN202110960376.7A
Authority: CN
Inventors: 李树松
Original assignee: Chongqing Yihong Engineering Plastics Co ltd
Current assignee: Chongqing Yihong Engineering Plastics Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2021-10-29
Anticipated expiration: 2041-08-20
Also published as: CN113561766B

Abstract

The invention discloses an impact-resistant high-safety plastic oil tank, and relates to the technical field of automobile parts. The buffer airbag structure comprises an oil tank body, a buffer ring and a communicating vessel, wherein the buffer ring and a buffer layer of the oil tank body form a buffer airbag structure, and the structure is communicated with the inside of the oil tank body through the communicating vessel. According to the invention, the buffer ring is welded outside the plastic oil drum, the buffer airbag structure is arranged between the buffer ring and the buffer layer of the oil drum body, and the buffer air groove and the buffer air sleeve are utilized to enhance the compression resistance of the buffer airbag structure, so that the oil tank body, especially the inner content part, can be effectively buffered and impacted; wherein the air source among the buffering gasbag structure mainly is the inside air of oil tank, and the oil pressure when mainly refueling extrudees the inside air and discharges to buffering gasbag structure in, inside the rethread check valve plate prevented that the air refluence from advancing oil tank, utilizes the compressibility of air to cushion impact force.

Description

Impact-resistant high-safety plastic oil tank

Technical Field

The invention belongs to the technical field of automobile parts, and particularly relates to an impact-resistant high-safety plastic oil tank.

Background

In recent years, in some middle-low-type configured automobiles, a plastic oil tank is generally adopted to replace a metal oil tank, mainly because the plastic oil tank has the characteristics of light weight, high plasticity, difficult rusting and the like compared with the metal oil tank, and then recoverable deformation is generated when severe collision and impact are applied, the phenomenon of fuel oil leakage caused by damage of the oil tank is avoided, and certain safety is achieved; however, although the plastic fuel tank has certain plasticity and safety, when the impact exceeds the bearing range, the stability of the internal fuel can not be ensured, and the fuel can be extruded and sprayed out from various pipelines easily; therefore, we carry out certain degree's improvement to the plastic oil drum of current structure, make it avoid foretell all kinds of problems.

Disclosure of Invention

The invention aims to provide an impact-resistant high-safety plastic oil tank, which solves the problem that the safety accident is caused by fuel oil leakage easily caused by insufficient impact resistance of the conventional plastic oil tank.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an impact-resistant high-safety plastic oil tank which comprises an oil tank body, a buffer ring and a communicating vessel, wherein the peripheral side surface of the oil tank body is welded with the buffer ring, and a gap is formed between the peripheral side surface of the oil tank body and the buffer ring; the oil tank body is communicated with the buffer ring through a communicating vessel;

the oil tank body comprises a top plate, a bottom plate and an anti-collision wall, wherein the top plate and the bottom plate have the same structure and respectively comprise two supporting layers; the anti-collision wall comprises a content layer and a buffer layer, reinforcing rib plates are embedded between the content layer and the buffer layer, the two support layers are welded through the reinforcing rib plates, and the reinforcing rib plates are embedded in the inner wall of the oil tank body, so that certain structural strength can be provided for the oil tank body; the top plate, the bottom plate and the anti-collision wall are mutually adhered to form an integral structure, the two supporting layers are respectively adhered to the content layer and the buffer layer to form an integral structure, and the supporting layers, the content layer and the buffer layer are made of the same material;

the outer side surface of the buffer layer is provided with a plurality of buffer air grooves, and the side surface is welded with the buffer ring; the lateral surface of the buffer ring is adhered with a plurality of buffer air sleeves, a gap exists between each buffer air sleeve and the corresponding buffer air groove, and the buffer layer and the buffer ring can utilize the air inside the gap to provide certain buffering for the content layer when being extruded or collided.

Furthermore, a buffer air bag structure is formed between the buffer ring and the buffer layer, and one surface of the buffer air bag structure is welded with the communicating vessel; the outer surface of the oil tank body is welded and communicated with an exhaust pipe, and a vent pipe is welded and communicated between the communicating vessel and the exhaust pipe; the inner surface of the connecting part of the exhaust pipe and the vent pipe is hinged with a one-way valve plate, and the interior of the buffering air bag structure is communicated with the interior of the oil tank body through a communicating vessel, the vent pipe and the exhaust pipe in sequence; when refueling to the oil tank is inside, utilize the oil pressure to pass through blast pipe, breather pipe and linker with inside air and discharge to buffering gasbag structure in, utilize gas filled buffering gasbag structure to provide support cushioning effect for the oil tank body.

Furthermore, a safety valve pipe is welded on one surface of the buffer ring and is communicated with the interior of the buffer air bag structure; one end face of the safety valve pipe is buckled with a sealing cover; when oil is added into the oil tank, the sealing cover can be opened to discharge the air in the buffering air bag structure from the safety valve pipe, so that the balance of the air pressure inside and outside the oil tank is ensured.

Furthermore, one side of the oil tank body is welded with an oil filling pipe, the other side of the oil tank body is provided with a fuel pump, and the fuel pump is arranged above the oil filling pipe.

The invention has the following beneficial effects:

according to the invention, the buffer ring is welded outside the plastic oil drum, the buffer airbag structure is arranged between the buffer ring and the buffer layer of the oil drum body, and the buffer air groove and the buffer air sleeve are utilized to enhance the compression resistance of the buffer airbag structure, so that the oil tank body, especially the inner content part, can be effectively buffered and impacted; the air source in the buffering air bag structure is mainly air in the oil tank, the air in the buffering air bag structure is extruded and discharged into the buffering air bag structure mainly through oil pressure during oil filling, the air is prevented from flowing back into the oil tank through the one-way valve plate, and impact force is buffered by utilizing compressibility of the air; when oil needs to be supplemented, air in the buffering air bag structure is discharged firstly, and air pressure balance inside and outside the plastic oil tank can be realized; in addition, the structural strength of the oil tank body is improved by embedding reinforcing rib plates in the shell of the oil tank body.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of an impact-resistant high-safety plastic fuel tank according to the present invention;

FIG. 2 is a top plan view of an impact resistant high safety plastic fuel tank of the present invention;

FIG. 3 is a schematic structural view of section A-A in FIG. 2;

FIG. 4 is a partial display view of portion B of FIG. 3;

FIG. 5 is a schematic structural view of section C-C of FIG. 3;

fig. 6 is a partial view of portion D of fig. 5.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an oil tank body; 2. a buffer ring; 3. a communicating vessel; 101. a support layer; 102. a content layer; 103. a buffer layer; 104. reinforcing rib plates; 1031. a buffer gas tank; 201. a buffer air sleeve; 105. an exhaust pipe; 301. a breather pipe; 202. a safety valve tube; 106. an oil filler tube; 107. a fuel pump; 2021. and (7) sealing the cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-6, the impact-resistant high-safety plastic oil tank of the present invention comprises an oil tank body 1, a buffer ring 2 and a communicating vessel 3, wherein the circumferential side surface of the oil tank body 1 is welded to the buffer ring 2, and a gap is formed between the circumferential side surface and the buffer ring; the oil tank body 1 is communicated with the buffer ring 2 through a communicating vessel 3;

the oil tank body 1 comprises a top plate, a bottom plate and an anti-collision wall, wherein the top plate and the bottom plate have the same structure and respectively comprise two supporting layers 101; the anti-collision wall comprises a content layer 102 and a buffer layer 103, reinforcing rib plates 104 are embedded between the content layer 102 and the buffer layer 103, the two support layers 101 are welded through the reinforcing rib plates 104, and the reinforcing rib plates 104 are embedded in the inner wall of the oil tank body 1, so that certain structural strength can be provided for the oil tank body 1; the top plate, the bottom plate and the collision wall are adhered to each other to form an integral structure, the two supporting layers 101 are respectively adhered to the content layer 102 and the buffer layer 103 to form an integral structure, and the supporting layers 101, the content layer 102 and the buffer layer 103 are made of the same material;

the outer side surface of the buffer layer 103 is provided with a plurality of buffer air grooves 1031, and the side surface is welded with the buffer ring 2; the lateral surface of the buffer ring 2 is adhered with a plurality of buffer air sleeves 201, and a gap exists between the buffer air sleeves 201 and the buffer air groove 1031, so that the buffer layer 103 and the buffer ring 2 can provide certain buffer for the content layer 102 by utilizing the air in the gap when being extruded or collided.

Preferably, a buffer airbag structure is formed between the buffer ring 2 and the buffer layer 103, and one surface of the buffer airbag structure is welded with the communicating vessel 3; an exhaust pipe 105 is welded and communicated with the outer surface of the oil tank body 1, and a vent pipe 301 is welded and communicated between the communicating vessel 3 and the exhaust pipe 105; the inner surface of the connecting part of the exhaust pipe 105 and the vent pipe 301 is hinged with a one-way valve plate 3011, and the interior of the buffering air bag structure is communicated with the interior of the oil tank body 1 through the communicating vessel 3, the vent pipe 301 and the exhaust pipe 105 in sequence; when oil is added into the oil tank, air inside the oil tank is discharged to the buffering air bag structure through the exhaust pipe 105, the vent pipe 301 and the communicating vessel 3 in sequence by using oil pressure, and the supporting and buffering effect is provided for the oil tank body 1 by using the inflated buffering air bag structure.

Preferably, a safety valve pipe 202 is welded on one surface of the buffer ring 2, and the safety valve pipe 202 is communicated with the interior of the buffer air bag structure; one end face of the safety valve pipe 202 is buckled with a sealing cover 2021; when the oil tank is filled with oil, the sealing cover 2021 can be opened to discharge the air in the buffer airbag structure from the safety valve pipe 202, so as to ensure the balance of the air pressure inside and outside the oil tank.

Preferably, a fuel filler pipe 106 is welded to one side surface of the fuel tank body 1, a fuel pump 107 is mounted to the other side surface, and the fuel pump 107 is mounted above the fuel filler pipe 106.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a high security plastics oil tank shocks resistance, includes oil tank body (1), buffer ring (2) and linker (3), its characterized in that: the peripheral side surface of the oil tank body (1) is welded with the buffer ring (2), and a gap is formed between the peripheral side surface and the buffer ring; the oil tank body (1) is communicated with the buffer ring (2) through a communicating vessel (3);

the oil tank body (1) comprises a top plate, a bottom plate and an anti-collision wall, wherein the top plate and the bottom plate have the same structure and respectively comprise two supporting layers (101); the anti-collision wall comprises a content layer (102) and a buffer layer (103), reinforcing rib plates (104) are embedded between the content layer (102) and the buffer layer (103), and the two support layers (101) are welded through the reinforcing rib plates (104); the two support layers (101) are respectively adhered to the content layer (102) and the buffer layer (103) to form an integral structure;

a plurality of buffer air grooves (1031) are formed in the outer side surface of the buffer layer (103), and the side surface is welded with the buffer ring (2); a plurality of buffering air sleeves (201) are adhered to the outer side face of the buffering ring (2), and a gap exists between each buffering air sleeve (201) and the corresponding buffering air groove (1031).

2. An impact-resistant high-safety plastic oil tank as claimed in claim 1, characterized in that a buffer air bag structure is formed between the buffer ring (2) and the buffer layer (103), and one surface of the buffer air bag structure is welded with the communicating vessel (3).

3. The impact-resistant high-safety plastic oil tank as claimed in claim 2, characterized in that an exhaust pipe (105) is welded and communicated with the outer surface of the oil tank body (1), and a vent pipe (301) is welded and communicated between the communicating vessel (3) and the exhaust pipe (105); the inner surface of the connecting part of the exhaust pipe (105) and the vent pipe (301) is hinged with a one-way valve plate (3011).

4. The impact-resistant high-safety plastic oil tank as claimed in claim 3, wherein the interior of the buffer air bag structure is communicated with the interior of the oil tank body (1) through the communicating vessel (3), the vent pipe (301) and the vent pipe (105) in sequence.

5. The impact-resistant high-safety plastic oil tank is characterized in that a safety valve pipe (202) is welded on one surface of the buffer ring (2), and the safety valve pipe (202) is communicated with the interior of the buffer air bag structure; one end face of the safety valve pipe (202) is buckled with a sealing cover (2021).

6. The impact-resistant high-safety plastic oil tank is characterized in that an oil filling pipe (106) is welded on one side surface of the oil tank body (1), a fuel pump (107) is installed on the other side surface of the oil tank body, and the fuel pump (107) is installed above the oil filling pipe (106).

7. The impact-resistant high-safety plastic fuel tank as claimed in claim 6, wherein the top plate, the bottom plate and the crash wall are adhered to each other to form a unitary structure, and the supporting layer (101), the containing layer (102) and the buffer layer (103) are made of the same material.