CN217835351U - Urea case and fuel tank integrated form structure and commercial car - Google Patents

Abstract

The application discloses urea case and fuel tank integrated form structure and commercial car, urea case and fuel tank integrated form structure include the fuel tank body and inlay the urea case body on the fuel tank body, the fuel tank body is equipped with the fuel filler, urea case body is equipped with the urea filler, urea case and fuel tank integrated form structure still including install in the urea filler prevent adding wrong device, prevent adding wrong device and being used for blockking the fuel nozzle warp the urea filler stretches into the urea case is originally internal. The urea case and the setting of fuel tank integrated form structure mistake proofing device that add disclosed in this application has prevented that the fuel from filling to urea case body by mistake, avoids needing to wash urea case body and avoid causing the waste of fuel and urea because of the filling mistake, has more avoided leading to the soot in fuel meeting and the tail gas to be together after-treatment system slowly stifled, the fuel burns in the exhaust pipe or even phenomenons such as explode to take place because of the filling mistake.

Description

Urea case and fuel tank integrated form structure and commercial car

Technical Field

The application relates to the technical field of vehicle parts, in particular to a urea box and fuel tank integrated structure.

Background

The demand of car lightweight etc. is more and more urgent, hastens the birth and at the beginning of the whole car of design, needs strengthen the modular utilization, makes up each module in the tradition meaning as far as possible, uses the new material for replace traditional iron material with aluminium alloy material. So as to achieve the aim of the lightest weight. In addition, the urea box and the fuel tank are used as containers of urea solution and fuel oil, and more requirements related to the overall arrangement of the whole vehicle are given to the urea box and the fuel tank in the design process, so that the development of the urea box provides powerful support for the spatial arrangement of the whole vehicle or some special vehicle types.

The urea tank body and the fuel tank body are mainly made of polyethylene and aluminum alloy, most of the existing engine plants are basically made of plastic polyethylene, and the material has the advantages of strong corrosion resistance, easiness in forming, capability of completing development of different shapes according to the requirements of customers and blow molding processes, light weight, short production period and the like. In the development process of the existing urea box fuel tank, the problem of light weight production is mainly emphasized on the aspect of materials, but in practice, the problem of difficulty in assembly, more required assemblies and more cautions and inconvenience are caused in the split urea box because the existing urea box and the fuel tank are of split structures respectively and are rarely considered from the overall arrangement angle of the whole vehicle. In addition, the split structure is not only not favorable for lightweight production but also has more requirements on the aspect of space. In view of the above, at present, a product integrating a urea tank and a fuel tank is produced, and by fusing two modules of the urea tank and the fuel tank, simplification in an assembly process can be achieved, and maximization of space utilization rate in a layout scheme is achieved.

However, in the practical application process, it is inevitable that an operator mistakenly injects fuel into the urea tank, so that the urea tank needs to be cleaned, fuel and urea are wasted, and once the operator does not realize that diesel oil is injected into the urea tank, the fuel and soot in the tail gas slowly block the after-treatment system after the engine is started, and the fuel is more likely to be combusted or even exploded in the exhaust pipe.

SUMMERY OF THE UTILITY MODEL

The application provides a urea case and fuel tank integrated form structure and commercial car to solve at least one technical problem among the above-mentioned technical problem.

The technical scheme adopted by the application is as follows:

the utility model provides a urea case and fuel tank integrated form structure, includes the fuel tank body and inlays the urea case body of dress on the fuel tank body, the fuel tank body is equipped with the fuel filler, urea case body is equipped with urea filler, urea case and fuel tank integrated form structure still including install in the mistake proofing device that adds of urea filler, mistake proofing device is used for blockking the fuel nozzle warp the urea filler stretches into this is internal.

The integrated structure of urea box and fuel tank in this application still has following additional technical characteristics:

prevent adding wrong device and be equipped with the open cavity of one end, the cavity stretches into in the urea filling port, prevent adding wrong device and be equipped with the intercommunication the cavity with the through-hole of the inner chamber of urea case body.

The mistake adding prevention device comprises a bottom wall and a side wall of a cylindrical structure, wherein the bottom wall is fixedly connected with one end of the side wall to form a cavity in a surrounding mode, the other end of the side wall forms the opening, and the side wall and the bottom wall are respectively provided with a plurality of through holes which are evenly distributed.

The mistake-adding prevention device is detachably arranged at the urea filling port.

The anti-error device is inserted in the urea filling port in an interference manner, an outward flanging structure is arranged on the periphery of the opening, and the anti-error device is abutted against the periphery of the urea filling port through the outward flanging structure.

The periphery of the side wall is provided with external threads, the inner wall of the urea filling port is provided with internal threads, and the anti-misloading device is arranged at the urea filling port through the matching of the external threads and the internal threads.

The fuel tank body and the urea tank body are both designed to be of a structure formed by blow molding of HDPE materials.

The lateral part of the fuel tank body is provided with an inward concave groove, the groove is provided with an upward opening, and the urea tank body is embedded into the groove from top to bottom along the opening.

The utility model provides a commercial car, includes as above urea case and fuel tank integrated form structure.

Due to the adoption of the technical scheme, the technical effects obtained by the application are as follows:

according to the technical scheme, on the basis of integrating the urea box body and the fuel tank body to achieve simplification in the assembling process and maximization of space utilization rate in the arrangement process, the mistake adding prevention device is installed at the urea filling port, the fuel oil filling gun is prevented from extending into the urea box body through the urea filling port by the mistake adding prevention device, in the actual fuel oil filling operation process, once an operator mistakenly extends the fuel oil filling gun into the urea filling port, the fuel oil filling gun can be blocked by the mistake adding prevention device, the fuel oil filling gun can not extend into the urea box body and can not directly abut against the edge of the urea filling port, the operator is given a technical prompt that the fuel oil filling gun is mistakenly placed at the urea filling port, fuel oil is prevented from being mistakenly filled into the urea box body, the urea box body is prevented from being cleaned due to wrong filling, waste of fuel oil and urea is avoided, phenomena that the fuel oil and the carbon smoke in a tail gas aftertreatment system can be burned slowly together and even the fuel oil is burned in an exhaust pipe due to the fact that the fuel oil can be burned after the engine is started due to wrong filling are avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural diagram of an integrated urea tank and fuel tank structure provided by the present application;

fig. 2 is a schematic structural diagram of an error-proofing device provided in the present application;

fig. 3 is a schematic view of an installation structure of the error-proofing device provided by the present application.

Reference numerals:

the structure comprises a fuel tank body 1, a fuel filling opening 11, a groove 12, a urea tank body 2, a urea filling opening 21, an anti-error device 3, a through hole 31, a bottom wall 32, a side wall 33 and an outward flanging structure 34.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like refer to orientations or positional relationships illustrated in the drawings, which are used for convenience in describing the present application and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting of the present application.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means 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 present application. In this specification, the schematic representations of the terms used above are not necessarily intended to 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.

In the embodiment of the application, a urea box and fuel tank integrated structure and a commercial vehicle are provided, and for convenience of explanation and understanding, the following contents are provided on the basis of the product structure shown in the drawing. Of course, it is understood by those skilled in the art that the above-described structure is only used as a specific example and illustrative illustration, and does not constitute a specific limitation to the technical solution provided by the present application.

As shown in fig. 1-3, a urea case and fuel tank integrated form structure, include fuel tank body 1 and inlay urea case body 2 on fuel tank body 1, fuel tank body 1 is equipped with fuel filler 11, urea case body 2 is equipped with urea filler 21, urea case and fuel tank integrated form structure still including install in urea filler 21 prevents adding wrong device 3, prevent adding wrong device 3 and be used for blockking the fuel nozzle warp urea filler 21 stretches into in the urea case body 2.

According to the technical scheme, on the basis that the urea box body 2 and the fuel tank body 1 are fused and integrated to achieve simplification in the assembling process and maximization of space utilization rate in the arrangement process, the mistake-adding-preventing device 3 is installed on the urea filling port 21, and the fuel filling gun is blocked by the mistake-adding-preventing device 3 from extending into the urea box body 2 through the urea filling port 21, so that in the actual fuel filling operation process, once an operator mistakenly extends the fuel filling gun into the urea filling port 21, the mistake-adding-preventing device 3 can block the fuel filling gun, the fuel filling gun cannot extend into the urea box body 2, the fuel filling gun cannot be directly abutted to the port edge of the urea filling port 21, a technical prompt that the operator mistakenly places the fuel filling gun at the urea filling port 21 is given, fuel is prevented from being mistakenly filled into the urea box body 2, the phenomenon that the urea box body 2 needs to be cleaned due to the mistaken filling, fuel and waste of the fuel and the urea is avoided, and even the phenomenon that the fuel is combusted slowly and burned in the exhaust pipe due to the result of the engine after being started due to the fuel filling mistake is exploded, the fuel is prevented from being blocked and the exhaust pipe, and the phenomenon that the fuel is even the fuel is blocked in the exhaust system is generated.

As a preferred embodiment of the present application, as shown in fig. 3, the anti-misloading device 3 is provided with a cavity with one open end, the cavity extends into the urea filling port 21, and the anti-misloading device 3 is provided with a through hole 31 communicating the cavity and the inner cavity of the urea tank body 2.

It will be understood by those skilled in the art that by extending the cavity of the mistake-proofing device 3 into the urea filling port 21, when urea is filled into the urea filling port 21 by using a urea filling device (such as a urea filling gun, a urea filling pipe, a urea filling funnel, etc.), the outlet of the urea filling device can extend into the cavity instead of being exposed outside the urea filling port 21, thereby ensuring that urea flowing out of the outlet of the urea filling device can flow into the urea tank body 2 through the through hole 31 perfectly.

Furthermore, as will be understood by those skilled in the art, the fuel guns corresponding to the same type of vehicle generally have the same specification and are much longer than the length of the urea filling gun, so that the fuel guns can be blocked only by making the depth of the cavity of the mistake-proofing device smaller than the length of the conventional fuel gun corresponding to the vehicle type to which the fuel guns are applied in the production process of the mistake-proofing device, for example, when the fuel guns are 150mm in length, the depth of the cavity of the mistake-proofing device is 70mm, that is, the depth of the cavity of the mistake-proofing device is smaller than the length of the fuel guns, so that the fuel guns can be blocked by the mistake-proofing device when being placed to the urea filling port carelessly, and the fuel guns cannot be abutted against the rim of the urea filling port, thereby preventing the mistake in filling.

Further, as shown in fig. 2 and fig. 3, the anti-error device 3 includes a bottom wall 32 and a side wall 33 having a cylindrical structure, one end of the bottom wall 32 and one end of the side wall 33 are fixedly connected to form the cavity, the other end of the side wall 33 forms the opening, and the side wall 33 and the bottom wall 32 are respectively provided with a plurality of through holes 31 uniformly distributed.

It will be understood by those skilled in the art that the anti-misloading device 3 is a cylindrical structure formed by a bottom wall 32 and a side wall 33 having a cylindrical structure, and is convenient to be installed in a manner of fitting with the conventionally arranged circular urea filling port 21. In addition, the side wall 33 and the bottom wall 32 are respectively provided with a plurality of through holes 31 which are uniformly distributed, on one hand, urea can flow into the urea box body 2 through the through holes 31 rapidly, and the urea is prevented from overflowing from the urea filling port 21, and on the other hand, the uniformly distributed through holes 31 can also prevent large granular impurities from entering the urea box body 2, so that the quality of the urea is reduced.

As a specific example, the error preventing device 3 may be attached to the urea filling port 21 by non-detachably bonding, welding, or the like, and as a preferred example, the error preventing device 3 may be attached to the urea filling port 21 detachably so that the error preventing device 3 can be replaced when damaged, and the urea tank body 2 can be cleaned and maintained after the error preventing device 3 is detached. It should be noted that the detachable installation manner of the anti-misloading device 3 at the urea filling port 21 is not particularly limited, and includes, but is not limited to, the following examples:

example 1: as shown in fig. 2 and fig. 3, the anti-misadjustment device 3 is inserted into the urea filling port 21 in an interference manner, a flanging structure 34 is arranged on the periphery of the opening, and the anti-misadjustment device 3 is abutted to the periphery of the urea filling port 21 through the flanging structure 34.

Example 2: although not shown in the drawings, an external thread may be provided on the outer periphery of the side wall, an internal thread may be provided on the inner wall of the urea filling port, and the anti-misloading device is mounted on the urea filling port by matching the external thread with the internal thread.

As a preferred embodiment of the present application, the fuel tank body 1 and the urea tank body 2 may be made of HDPE (high density polyethylene) by blow molding, so as to have good heat resistance and cold resistance, good chemical stability, high rigidity and toughness, and good mechanical strength. In specific implementation, the shapes of the fuel tank body 1 and the urea tank body 2 can be adjusted through a mold and blow molding process according to space requirements.

As a preferred embodiment of this application, the lateral part of fuel tank body 1 is equipped with inside sunken recess 12, recess 12 has the opening that faces upward, and urea tank body 2 from last to following the opening inlays and packs into in the recess 12. Preferably, the urea box body 2 and the fuel tank body 1 are matched to be of a cuboid structure, the urea box body and the fuel tank body are square in appearance, installation space is saved, arrangement difficulty is reduced, the urea box body 2 and the fuel tank body 1 can be bound and fixed together through a pull belt and a bracket during specific implementation, a set of fixing bracket is adopted, the use of a urea box fixing bracket is reduced, and therefore weight is reduced, and meanwhile corresponding cost is also reduced due to the reduction of the number of parts.

The utility model provides a commercial car, includes as above urea case and fuel tank integrated form structure.

It should be noted that, because the commercial vehicle provided by the present application includes the urea tank and the fuel tank integrated structure in any one of the above embodiments and examples, the beneficial effects of the urea tank and the fuel tank integrated structure are all included in the commercial vehicle provided by the present application, and are not described herein again.

Where not mentioned in this application, this may be achieved using or taking advantage of existing technology.

All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from other embodiments.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims (9)

1. The utility model provides a urea case and fuel tank integrated form structure, its characterized in that includes the fuel tank body and inlays the urea case body of dress on the fuel tank body, the fuel tank body is equipped with the fuel filler, urea case body is equipped with the urea filler, urea case and fuel tank integrated form structure still including install in the mistake proofing device that adds of urea filler, the mistake proofing device that adds is used for blockking the fuel nozzle warp the urea filler stretches into this is internal.

2. The integrated urea tank and fuel tank structure according to claim 1,

prevent adding wrong device and be equipped with the open cavity of one end, the cavity stretches into in the urea filling port, prevent adding wrong device and be equipped with the intercommunication the cavity with the through-hole of the inner chamber of urea case body.

3. The integrated urea tank and fuel tank structure as claimed in claim 2,

the mistake-proofing device comprises a bottom wall and a side wall with a cylindrical structure, wherein the bottom wall and one end of the side wall are fixedly connected to form a cavity, the other end of the side wall forms the opening, and the side wall and the bottom wall are respectively provided with a plurality of through holes which are uniformly distributed.

4. The integrated urea tank and fuel tank structure as claimed in claim 3,

the mistake-adding prevention device is detachably arranged at the urea filling port.

5. The integrated urea tank and fuel tank structure as claimed in claim 4,

the anti-error device is inserted in the urea filling port in an interference manner, an outward flanging structure is arranged on the periphery of the opening, and the anti-error device is abutted against the periphery of the urea filling port through the outward flanging structure.

6. The integrated urea tank and fuel tank structure as claimed in claim 4,

the periphery of the side wall is provided with external threads, the inner wall of the urea filling port is provided with internal threads, and the anti-misloading device is arranged at the urea filling port through the matching of the external threads and the internal threads.

7. The integrated urea tank and fuel tank structure according to claim 1,

the fuel tank body and the urea tank body are both designed to be of a structure formed by blow molding of HDPE materials.

8. The integrated urea tank and fuel tank structure as claimed in claim 1,

the lateral part of the fuel tank body is provided with an inward concave groove, the groove is provided with an upward opening, and the urea tank body is embedded into the groove from top to bottom along the opening.

9. A commercial vehicle comprising a urea tank and fuel tank integrated structure as claimed in any one of claims 1 to 8.

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