CN111660799A - Plastic fuel tank assembly for light commercial vehicle - Google Patents

Plastic fuel tank assembly for light commercial vehicle Download PDF

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Publication number
CN111660799A
CN111660799A CN202010540464.7A CN202010540464A CN111660799A CN 111660799 A CN111660799 A CN 111660799A CN 202010540464 A CN202010540464 A CN 202010540464A CN 111660799 A CN111660799 A CN 111660799A
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China
Prior art keywords
fuel tank
chamber
urea
tank
fuel
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Granted
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CN202010540464.7A
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Chinese (zh)
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CN111660799B (en
Inventor
刘虎
张晶峰
刘健宇
胡超
程伟
张倩茹
夏晨
雷冰芬
陈清华
李超
童鑫
路希
贾保利
刘锋
付颖钧
于春艳
沈震宇
吴�灿
陈期高
陈纪
张宇翔
林文干
潘开胜
杨凯
杨传雄
王元欣
晏红
姚佳佳
裴帆
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Dongfeng Automobile Co Ltd
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Dongfeng Automobile Co Ltd
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Priority to CN202010540464.7A priority Critical patent/CN111660799B/en
Publication of CN111660799A publication Critical patent/CN111660799A/en
Application granted granted Critical
Publication of CN111660799B publication Critical patent/CN111660799B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03Fuel tanks
    • B60K15/03177Fuel tanks made of non-metallic material, e.g. plastics, or of a combination of non-metallic and metallic material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066Selective catalytic reduction [SCR]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03Fuel tanks
    • B60K2015/03486Fuel tanks characterised by the materials the tank or parts thereof are essentially made from
    • B60K2015/03493Fuel tanks characterised by the materials the tank or parts thereof are essentially made from made of plastics
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

The utility model provides a light-duty plastic fuel tank assembly for commercial car, including the fuel tank, the urea case is T font structure, including vertical box body portion, be located horizontal box body portion and No. two horizontal box body portions of vertical box body portion top both sides respectively, the middle part of fuel tank has been seted up No. one the chamber, be located No. two chambers and No. three chambers of a chamber top both sides respectively, the upper and lower both ends in a chamber all communicate with each other with the outside of fuel tank, No. two the chamber, No. three the chamber all communicates with each other with a chamber, and a chamber and vertical box body portion cooperate, a plurality of ventilation grooves have vertically been seted up with the position of the back laminating mutually of vertical box body portion on the inner wall in a chamber, No. two the chamber, No. three the chamber respectively with horizontal box body portion, No. two horizontal box body portion cooperatees. The design not only effectively reduces the X-direction size, but also blocks the temperature in the fuel tank from being transferred to the urea tank and increases the strength of the fuel tank.

Description

Plastic fuel tank assembly for light commercial vehicle
Technical Field
The invention belongs to the technical field of automobile fuel supply systems, and particularly relates to a plastic fuel tank assembly for a light commercial vehicle.
Background
With the rapid development of the automobile industry in recent years, the establishment and execution of safety and emission regulations in China are increasingly strict, particularly, the forced execution of the third-stage oil consumption standard makes the design of light weight of the automobile more and more important, and the plastication, integration design and manufacture of the oil tank can reduce the weight of the whole automobile and the cost of the whole automobile.
The development wheelbases of the light commercial vehicles are various, the special vehicle refitting platforms are various, the arrangement space for the fuel system and the post-treatment system on the chassis of the whole vehicle is limited, and the arrangement of the urea tank and the post-treatment pipeline needs to be considered while the fuel tank is arranged. Therefore, it is important to design the fuel system and the urea supply system in a limited space.
Chinese patent: utility model patent that the grant bulletin number is CN204783194U, the grant bulletin date is 2015 11 months 18 discloses an integrated form fuel urea feeding device, including fuel tank and urea case, one side of fuel tank is provided with storage space, and the urea case prevents in storage space, and the urea case is connected with the fuel tank. The arrangement of the urea tank on one side of the fuel tank adopted by the device can make the X-direction size larger, and the arrangement of other components is inconvenient.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a plastic fuel tank assembly for a light commercial vehicle, which can reduce the X-direction size.
In order to achieve the above purpose, the invention provides the following technical scheme:
a plastic fuel tank assembly for a light commercial vehicle comprises a fuel tank and a urea tank;
the urea case is T font structure, including vertical box body portion, be located horizontal box body portion and No. two horizontal box body portions of a vertical box body portion top both sides respectively, the middle part of fuel tank has been seted up a chamber, is located No. two chambers and No. three chambers of a chamber top both sides respectively, the upper and lower both ends in a chamber all communicate with each other with the outside of fuel tank, No. two chambers, No. three chambers all communicate with each other with a chamber, and a chamber and vertical box body portion cooperate, and No. two chambers, No. three chambers cooperate with horizontal box body portion, No. two horizontal box body portions respectively.
A plurality of ventilation grooves are longitudinally formed in the inner wall of the first cavity, and the parts, attached to the back face of the longitudinal box body part, of the inner wall of the first cavity, and the upper end and the lower end of each ventilation groove are communicated with the outside of the fuel tank.
The ventilation groove is including two main ventilation grooves that are located the middle part, the supplementary ventilation groove that is located ventilation groove both sides, main ventilation groove communicates with each other with adjacent supplementary ventilation groove, and the air current flow cross-section in main ventilation groove is greater than the air current flow cross-section in supplementary ventilation groove.
The utility model discloses a damping pad, including No. two shock pads, No. three shock pads, No. two shock pads, No. three shock pads are provided with respectively on the bottom surface in No. two chambeies, No. three horizontal boxs portion between the back in No. two chambeies and a horizontal boxs portion, No. three shock pads, No. two shock pads, No. three shock pads are the S-shaped structure, and on the one end of No. two shock pads, No. three shock pads extended to the inner wall in a chamber, the other end of No. two shock pads extended towards the upper portion in No. two chambeies along the inner wall in No. two chambeies, and the other end of No. three shock pads extended towards the upper portion in No. three chambeies along the inner wall in No..
And a first groove for accommodating the metering pump and a second groove for accommodating the fuel filter are respectively formed in two sides of the fuel tank.
Still be provided with urea on the fuel tank and supply liquid pipeline, urea heating pipeline, fuel supply liquid pipeline, the one end and the urea case business turn over liquid mouth of urea supply liquid pipeline, urea heating pipeline communicate with each other, and the other end of urea supply liquid pipeline, urea heating pipeline communicates with each other with measuring pump, engine SCR business turn over water mouth respectively, the one end and the fuel tank business turn over liquid mouth or fuel filter of fuel supply liquid pipeline communicate with each other, and the other end and the engine business turn over oil mouth of fuel supply liquid pipeline communicate with each other.
The first transverse tank body part and the second transverse tank body part are fixedly connected with the fuel tank through a strap, the metering pump, the fuel filter and the fuel tank are connected through bolts, and the urea liquid supply pipeline, the urea heating pipeline and the fuel liquid supply pipeline are fixed on the fuel tank through pipe clamps.
The manufacturing process of the fuel tank and the urea tank comprises the following steps: blow molding and then using a cooling shaping mold for shaping.
Compared with the prior art, the invention has the beneficial effects that:
1. the urea box in the plastic fuel tank assembly for the light commercial vehicle is of a T-shaped structure and comprises a longitudinal box body part, a first transverse box body part and a second transverse box body part which are respectively positioned at two sides of the top end of the longitudinal box body part, the middle part of the fuel tank is provided with a first cavity, a second cavity and a third cavity which are respectively positioned at two sides of the top end of the first cavity, the upper end and the lower end of the first cavity are communicated with the outside of the fuel tank, the second cavity and the third cavity are communicated with the first cavity, the first cavity is matched with the longitudinal tank body part, the second cavity and the third cavity are respectively matched with the first transverse tank body part and the second transverse tank body part, the urea tank is set to be in a T-shaped structure, a T-shaped groove matched with the urea tank is arranged on the fuel tank, the urea box is embedded in the fuel oil box, so that the X-direction size of the assembly can be effectively reduced under the same volume, and the assembly and the disassembly are convenient. Therefore, the X-direction size of the assembly can be effectively reduced, and the assembly and disassembly are convenient.
2. According to the plastic fuel tank assembly for the light commercial vehicle, the position, attached to the back face of the longitudinal tank body part, of the inner wall of the first cavity is longitudinally provided with the plurality of ventilation grooves, the upper ends and the lower ends of the ventilation grooves are communicated with the outside of the fuel tank, the structure can enhance the gas circulation of the contact surface between the fuel tank and the urea tank, urea hydrolysis caused by the fact that heat of the fuel tank is transferred to the urea tank in a surface contact mode is prevented, and the strength of the contact surface of the fuel tank is effectively increased. Therefore, the invention not only prevents the temperature in the fuel tank from being transferred to the urea tank, but also increases the strength of the fuel tank.
3. According to the plastic fuel tank assembly for the light commercial vehicle, the first groove for accommodating the metering pump and the second groove for accommodating the fuel filter are formed in the two sides of the fuel tank respectively, and the fuel tank is further provided with the urea liquid supply pipeline, the urea heating pipeline and the fuel liquid supply pipeline. Therefore, the invention not only has compact structure and low cost, but also ensures that the pipeline arrangement is more convenient and the appearance is more beautiful.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a schematic view of the fuel tank of FIG. 1.
FIG. 4 is a schematic diagram of the urea tank of FIG. 1.
In the figure, a fuel tank 1, a first cavity 11, a second cavity 12, a third cavity 13, a first groove 14, a second groove 15, a urea tank 2, a longitudinal tank body 21, a first transverse tank body 22, a second transverse tank body 23, a ventilation groove 3, a main ventilation groove 31, an auxiliary ventilation groove 32, a first shock pad 4, a second shock pad 5, a third shock pad 6, a metering pump 7, a fuel filter 8, a urea liquid supply pipeline 9, a urea heating pipeline 10, a fuel liquid supply pipeline 20, a belt 30 and a pipe clamp 40.
Detailed Description
The present invention will be further described with reference to the following embodiments.
Referring to fig. 1-4, a plastic fuel tank assembly for a light commercial vehicle comprises a fuel tank 1 and a urea tank 2;
urea case 2 is T font structure, including vertical tank part 21, be located horizontal tank part 22 and the horizontal tank part 23 of No. two of vertical tank part 21 top both sides respectively, cavity 11, cavity 12 and No. three cavity 13 that are located 11 top both sides of a cavity respectively have been seted up at the middle part of fuel tank 1, the upper and lower both ends of cavity 11 all communicate with each other with the outside of fuel tank 1, No. two cavity 12, No. three cavity 13 all communicate with each other with cavity 11, and cavity 11 and vertical tank part 22 cooperate, and cavity 12, No. three cavity 13 cooperate with horizontal tank part 22, No. two horizontal tank part 23 of a cavity 22 respectively.
A plurality of ventilation grooves 3 are longitudinally formed in the inner wall of the first cavity 11, and the parts, attached to the back face of the longitudinal box body part 21, of the inner wall of the first cavity are communicated with the outside of the fuel tank 1.
The ventilation groove 3 comprises two main ventilation grooves 31 positioned in the middle and auxiliary ventilation grooves 32 positioned on two sides of the ventilation groove 31, the main ventilation grooves 31 are communicated with the adjacent auxiliary ventilation grooves 32, and the airflow circulation cross section of the main ventilation grooves 31 is larger than that of the auxiliary ventilation grooves 32.
No. two between the back of cavity 12 and a horizontal tank portion 22, all be provided with a shock pad 4 between the back of No. three cavities 13 and No. two horizontal tank portions 23, be provided with No. two shock pads 5, No. three shock pads 6 on No. two cavities 12, No. three cavities 13 'S the bottom surface respectively, No. two shock pads 5, No. three shock pads 6 are the S-shaped structure, and on No. two shock pads 5, No. three shock pads 6' S one end extended to the inner wall of a cavity 11, No. two shock pads 5 'S the other end extended towards the upper portion of No. two cavities 12 along the inner wall of No. two cavities 12, and No. three shock pads 6' S the other end extended towards the upper portion of No. three cavities 13 along the inner wall of No. three cavities 13.
And a first groove 14 for accommodating the metering pump 7 and a second groove 15 for accommodating the fuel filter 8 are respectively formed in two sides of the fuel tank 1.
Still be provided with urea on the fuel tank 1 and supply liquid pipeline 9, urea heating pipeline 10, fuel and supply liquid pipeline 20, the one end and the urea case business turn over liquid mouth of urea supply liquid pipeline 9, urea heating pipeline 10 communicate with each other, and the other end of urea supply liquid pipeline 9, urea heating pipeline 10 communicates with each other with measuring pump 7, engine SCR business turn over water mouth respectively, the one end and the fuel tank business turn over liquid mouth or fuel filter 8 of fuel supply liquid pipeline 20 communicate with each other, and the other end and the engine business turn over oil mouth of fuel supply liquid pipeline 20 communicate with each other.
Horizontal tank portion 22, No. two horizontal tank portion 23 pass through strap 30 and fuel tank 1 fixed connection, measuring pump 7, fuel filter 8 and fuel tank 1 bolted connection, urea supplies liquid pipeline 9, urea heating line 10, fuel to supply liquid pipeline 20 all to fix on fuel tank 1 through pipe clamp 40.
The manufacturing process of the fuel tank 1 and the urea tank 2 comprises the following steps: blow molding and then using a cooling shaping mold for shaping.
The principle of the invention is illustrated as follows:
the invention provides a plastic fuel tank assembly for a light commercial vehicle, which consists of a fuel tank, a urea tank, a metering pump, a urea liquid supply pipeline, a urea heating pipeline, a fuel filter and a fuel liquid supply pipeline. By utilizing the characteristic of good manufacturability of plastic blow molding, a T shape can be made when the urea box body is molded, a structure embedded with the T shape is made on the fuel tank assembly body, the fuel tank assembly body is embedded into the fuel tank, and the fuel tank and the urea box are fixed through a strap; the metering pump and the fuel filter are connected with the rubber-coated nut through bolts to realize the fixation with the fuel tank body; the plastic fuel tank assembly is characterized in that pipe clamps are welded on the tank body, and the urea liquid supply pipeline, the urea heating pipeline and the fuel liquid supply pipeline are fixed on the surface of the fuel tank through the pipe clamps.
And (3) ventilating slots: the urea aqueous solution can be gradually hydrolyzed along with the rise of the temperature, the urea aqueous solution can not carry out normal selective catalytic reduction reaction after being hydrolyzed, the emission of the whole vehicle is influenced, and the temperature of fuel oil in the fuel tank can be continuously raised in the driving process of the fuel tank embedded into the urea tank due to the existence of engine oil return (the engine oil return temperature is high). In order to avoid the hydrolysis of the urea aqueous solution caused by the heat of the fuel tank being transferred to the urea tank, the invention designs the ventilation groove at the joint of the fuel tank and the back of the urea tank.
Example 1:
referring to fig. 1-4, a plastic fuel tank assembly for a light commercial vehicle comprises a fuel tank 1 and a urea tank 2, wherein the manufacturing process of the fuel tank 1 and the urea tank 2 is as follows: blow molding firstly, then use the cooling stock mold to finalize the design, urea case 2 is T font structure, including vertical tank part 21, be located horizontal tank part 22 and the horizontal tank part 23 of No. two of vertical tank part 21 top both sides respectively, horizontal tank part 22 of No. two, horizontal tank part 23 passes through strap 30 and fuel tank 1 fixed connection, first recess 14 that holds measuring pump 7, second recess 15 that holds fuel filter 8 are seted up respectively to the both sides of fuel tank 1, measuring pump 7, fuel filter 8 and fuel tank 1 bolted connection, No. one cavity 11, No. two cavities 12 and No. three cavities 13 that are located cavity 11 top both sides respectively have been seted up to the middle part of fuel tank 1, the upper and lower both ends of a cavity 11 all communicate with each other with the outside of 1, No. two cavities 12, No. three cavities 13 all communicate with each other with a cavity 11, a cavity 11 cooperatees with vertical tank part 22, no. two cavities 12, No. three cavities 13 cooperate with horizontal tank part 22, No. two horizontal tank part 23 respectively, and the position of laminating mutually with the back of vertical tank part 21 on the inner wall of No. 11 vertically offers a plurality of upper and lower both ends all with the communicating ventilation groove 3 in outside of fuel tank 1, ventilation groove 3 includes two main ventilation grooves 31 that are located the middle part, is located the supplementary ventilation groove 32 of ventilation groove 31 both sides, main ventilation groove 31 communicates with each other with adjacent supplementary ventilation groove 32, and the air current circulation cross-section of main ventilation groove 31 is greater than the air current circulation cross-section of supplementary ventilation groove 32, all be provided with No. one shock pad 4 between the back of No. two cavities 12 and No. one horizontal tank part 22, between the back of No. three cavities 13 and No. two horizontal tank part 23, be provided with No. two shock pads 5, No. three shock pads 6 on the bottom surface of No. two cavities 12, No. three cavities 13 respectively, no. two shock pad 5, No. three shock pad 6 are the S-shaped structure, and No. two shock pad 5, No. three shock pad 6 ' S one end extend to on the inner wall of a chamber 11, and No. two shock pad 5 ' S the other end extends along the upper portion of the inner wall of No. two chamber 12 orientation No. two chamber 12, and No. three shock pad 6 ' S the other end extends along the upper portion of the inner wall of No. three chamber 13 orientation No. three chamber 13.
Example 2:
the difference from example 1 is that:
still be provided with urea on the fuel tank 1 and supply liquid pipeline 9, urea heating pipeline 10, fuel and supply liquid pipeline 20, the one end and the urea case business turn over liquid mouth of urea supply liquid pipeline 9, urea heating pipeline 10 communicate with each other, and the other end of urea supply liquid pipeline 9, urea heating pipeline 10 communicates with each other with measuring pump 7, engine SCR business turn over water mouth respectively, the one end and the fuel tank business turn over liquid mouth or fuel filter 8 of fuel supply liquid pipeline 20 communicate with each other, and the other end and the engine business turn over oil mouth of fuel supply liquid pipeline 20 communicate with each other, and urea supply liquid pipeline 9, urea heating pipeline 10, fuel supply liquid pipeline 20 all fix on fuel tank 1 through pipe clamp 40.

Claims (8)

1. The utility model provides a light-duty plastic fuel tank assembly for commercial vehicle, includes fuel tank (1), urea case (2), its characterized in that:
urea case (2) are T font structure, including vertical tank part (21), be located horizontal tank part (22) and No. two horizontal tank part (23) of vertical tank part (21) top both sides respectively, No. one chamber (11), No. two chamber (12) and No. three chamber (13) that are located cavity (11) top both sides respectively have been seted up at the middle part of fuel tank (1), the upper and lower both ends of a chamber (11) all communicate with each other with the outside of fuel tank (1), No. two chamber (12), No. three chamber (13) all communicate with each other with a chamber (11), and No. one chamber (11) and vertical tank part (22) cooperate, and No. two chamber (12), No. three chamber (13) cooperate with horizontal tank part (22), No. two horizontal tank part (23) respectively.
2. The plastic fuel tank assembly for a light commercial vehicle as recited in claim 1, wherein: a plurality of ventilation grooves (3) are longitudinally formed in the inner wall of the first cavity (11) and the part attached to the back face of the longitudinal box body part (21), and the upper end and the lower end of each ventilation groove (3) are communicated with the outside of the fuel tank (1).
3. The plastic fuel tank assembly for a light commercial vehicle as recited in claim 2, wherein: the ventilation groove (3) comprises two main ventilation grooves (31) arranged in the middle and auxiliary ventilation grooves (32) arranged on two sides of the ventilation grooves (31), the main ventilation grooves (31) are communicated with the adjacent auxiliary ventilation grooves (32), and the airflow circulation cross section of the main ventilation grooves (31) is larger than that of the auxiliary ventilation grooves (32).
4. The plastic fuel tank assembly for a light commercial vehicle as set forth in claim 3, wherein: all be provided with a shock pad (4) between the back of No. two chamber (12) and No. one horizontal tank portion (22), between the back of No. three chamber (13) and No. two horizontal tank portion (23), be provided with No. two shock pads (5), No. three shock pads (6) on the bottom surface of No. two chamber (12), No. three chamber (13) respectively, No. two shock pads (5), No. three shock pads (6) are the S-shaped structure, and on the one end of No. two shock pads (5), No. three shock pads (6) extended to the inner wall of a chamber (11), the other end of No. two shock pads (5) extended towards the upper portion of No. two chamber (12) along the inner wall of No. two chamber (12), and the other end of No. three shock pads (6) extended towards the upper portion of No. three chamber (13) along the inner wall of No. three chamber (13).
5. The plastic fuel tank assembly for a light commercial vehicle as set forth in claim 3, wherein: and a first groove (14) for accommodating the metering pump (7) and a second groove (15) for accommodating the fuel filter (8) are respectively formed in two sides of the fuel tank (1).
6. A plastic fuel tank assembly for a light commercial vehicle as set forth in claim 5, wherein: still be provided with urea on fuel tank (1) and supply liquid pipeline (9), urea heating pipeline (10), fuel supply liquid pipeline (20), the one end and the urea case business turn over liquid mouth of urea supply liquid pipeline (9), urea heating pipeline (10) communicate with each other, and the other end of urea supply liquid pipeline (9), urea heating pipeline (10) communicates with each other with measuring pump (7), engine SCR business turn over water mouth respectively, the one end and fuel tank business turn over liquid mouth or fuel filter (8) of fuel supply liquid pipeline (20) communicate with each other, and the other end and the engine business turn over oil mouth of fuel supply liquid pipeline (20) communicate with each other.
7. A plastic fuel tank assembly for a light commercial vehicle according to claim 6, wherein: horizontal tank body portion (22), No. two horizontal tank body portions (23) pass through strap (30) and fuel tank (1) fixed connection, measuring pump (7), fuel filter (8) and fuel tank (1) bolted connection, urea supplies liquid pipeline (9), urea heating pipeline (10), fuel to supply liquid pipeline (20) all to fix on fuel tank (1) through pipe clamp (40).
8. A plastic fuel tank assembly for a light commercial vehicle as recited in any one of claims 1 to 7, wherein:
the manufacturing process of the fuel tank (1) and the urea tank (2) comprises the following steps: blow molding and then using a cooling shaping mold for shaping.
CN202010540464.7A 2020-06-15 2020-06-15 Plastic fuel tank assembly for light commercial vehicle Active CN111660799B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112459933A (en) * 2020-12-04 2021-03-09 东风汽车股份有限公司 Extensible fuel supply and urea supply integrated module
CN113246718A (en) * 2021-06-30 2021-08-13 山东统亚模塑科技实业有限公司 Urea case and oil tank assembly

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CN203308625U (en) * 2013-05-14 2013-11-27 北汽福田汽车股份有限公司 Urea pot fuel tank assembly and vehicle
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CN108487976A (en) * 2018-04-09 2018-09-04 东风汽车股份有限公司 Light-duty commercial car is with urea solution feed system and plastic fuel tank composite module
CN207916568U (en) * 2017-10-11 2018-09-28 东莞正扬电子机械有限公司 The integrated morphology of urea box and fuel tank
CN209111931U (en) * 2018-10-31 2019-07-16 第一拖拉机股份有限公司 A kind of fuel tank of the included urea box for wheeled tractor

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Publication number Priority date Publication date Assignee Title
EP2058161A1 (en) * 2007-11-06 2009-05-13 Erhard & Söhne GmbH Fuel container
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CN113246718A (en) * 2021-06-30 2021-08-13 山东统亚模塑科技实业有限公司 Urea case and oil tank assembly

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