CN106968768B - Automobile-used urea case assembly - Google Patents
Automobile-used urea case assembly Download PDFInfo
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- CN106968768B CN106968768B CN201710207951.XA CN201710207951A CN106968768B CN 106968768 B CN106968768 B CN 106968768B CN 201710207951 A CN201710207951 A CN 201710207951A CN 106968768 B CN106968768 B CN 106968768B
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- Prior art keywords
- bracket
- filling port
- upper shell
- sensor
- urea
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
- F01N13/1855—Mechanical joints the connection being realised by using bolts, screws, rivets or the like
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a vehicle urea box assembly, which solves the problems of large volume and insufficient universality of the urea box assembly in the prior art, and has the effects of compact structure, strong sealing performance and light weight, and the technical scheme is as follows: the urea box is arranged on the bracket and is formed by injection molding of a polypropylene material and comprises an upper shell and a lower shell; the top of the upper shell is provided with a sensor mounting port and a filling port which is integrally injection-molded with the upper shell, the top of the filling port is provided with a filling port cover, and a filling port plug which is pre-tightened with the bottom surface of the filling port cover is arranged in the filling port; a liquid level window which is integrally injection-molded with the upper shell is arranged on the side surface of the upper shell; the bottom of the lower shell is provided with a sewage draining outlet.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a urea box assembly for a vehicle.
Background
Since environmental protection departments of various countries have proposed that engine manufacturers further reduce nitrogen oxide pollutants emitted from diesel engines use SCR technology (selective catalytic reduction technology) to meet the requirements of the environmental protection departments. The diesel engine tail gas treatment liquid (commonly called automobile urea, automobile urea and automobile environment-friendly urea in China) is a consumable product which must be used in the SCR technology.
Currently, urea tanks are typically formed by blow molding or rotational molding processes. The urea box produced by the blow molding process has higher cost and smaller volume; and the wall thickness of the box body is not easy to control, so that the wall thickness is usually overlarge, and raw materials are wasted. The rotational molding cost is relatively high, the raw materials suitable for rotational molding are limited, the production efficiency is low, and the energy consumption is large. In addition, the urea box in the prior art is generally fixed on the automobile body in a ribbon binding mode, and the occupied space is large. The urea box assembly on the market can only be installed with a split type sensor or an integrated type sensor generally, and the universality is not strong.
In summary, in the prior art, an effective solution is not yet available for the problems of light weight, generalization, overall structure reduction, material saving and the like of the urea tank.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a vehicle urea box assembly which has the effects of compact structure, strong sealing property, strong universality and light weight.
The invention adopts the following technical scheme:
a vehicle urea box assembly comprises a urea box and a bracket, wherein the urea box is arranged on the bracket and is formed by injection molding of a polypropylene material and comprises an upper shell and a lower shell; after the upper shell and the lower shell are molded by injection, the edges of the upper shell and the lower shell are melted and extruded into a whole at high temperature; the top of the upper shell is provided with a sensor mounting port and a filling port which is integrally injection-molded with the upper shell, the top of the filling port is provided with a filling port cover, and a filling port plug which is pre-tightened with the bottom surface of the filling port cover is arranged in the filling port; a liquid level window which is integrally injection-molded with the upper shell is arranged on the side surface of the upper shell; the bottom of inferior valve be equipped with the drain, the drain on be equipped with the blowdown screw.
Furthermore, the inside of epitheca and inferior valve be equipped with the strengthening rib strip, set up a plurality of main muscle in length direction respectively on the inner wall of epitheca and inferior valve, width direction sets up a plurality of horizontal muscle.
Further, the filler plug include the filter screen and locate the rubber buffer on filter screen upper portion, the outside of rubber buffer be equipped with O type sealing washer, have the effect that prevents that the filter screen from sliding, avoiding the urea solution to flow.
Furthermore, a cover body supporting piece is arranged on the filling opening and is connected with the upper surface of the filling opening through screws, and the cover body supporting piece is connected with the filling opening cover through a metal clamping piece.
Furthermore, the wall thickness of the sensor mounting opening is larger than that of the shell of the urea box, and a sensor fixing insert is arranged inside the sensor mounting opening; the circumference inner wall of sensor installing port position on be equipped with rice style of calligraphy muscle, promote the bearing capacity of sensor installing port department through increasing the wall thickness and setting up rice style of calligraphy muscle.
Furthermore, the liquid level window is made of transparent polypropylene materials and is fixed with the upper shell in a secondary encapsulation mode, so that the trouble of installing a split type window in the later period is avoided; the liquid level window is marked with the highest liquid level lines 22L and 20L; the liquid level window and the epitheca integrated into one piece of moulding plastics improve the degree of fusion of liquid level window and epitheca, increase the leakproofness, prevent that urea solution from oozing.
Furthermore, the bottom of the lower shell is provided with a mounting hole which is mounted on the bracket through a nut.
Furthermore, the bracket comprises two L-shaped side plates which are connected through a plurality of pull belts; a rectangular bracket is arranged on the longitudinal pull belt of the bracket and used for mounting a pump, and an oil-water separator is mounted on the L-shaped side plate on one side of the bracket; and a sensor is arranged on the sensor mounting port.
Furthermore, the bracket comprises two L-shaped side plates which are connected through a plurality of pull belts; an L-shaped bracket is arranged on the longitudinal pull belt of the bracket and used for mounting a pump, and an oil-water separator is mounted on an L-shaped side plate on one side of the bracket; and a sensor is arranged on the sensor mounting port.
Furthermore, the bracket comprises two L-shaped side plates which are connected through a plurality of pull belts; the longitudinal pull belt of the bracket is provided with an oil-water separator, and the sensor mounting opening is provided with an integrated sensor.
Compared with the prior art, the invention has the beneficial effects that:
1. the urea box and the bracket are connected by bolts and nuts, so that the installation is convenient and simple, binding of a (steel) binding belt is omitted, the overall volume is reduced, and the cost is reduced;
2. according to the invention, only the filling port cover needs to be opened, the filling port plug is lifted, and the filter screen is directly taken out by hand, and in the traditional bolt fixing mode, when the filter screen is cleaned or replaced each time, all parts of the filling port need to be detached and then reinstalled, so that the steps are complicated; compared with the traditional filter screen, the invention has simple installation and convenient cleaning;
3. the installation height of the urea box on the vehicle body is improved, and the safety is improved;
4. the upper shell and the lower shell of the urea box are melted and extruded into a whole at high temperature, and the liquid level window and the upper shell are integrally formed, so that the trouble of installing a split window at the later stage is avoided, the fusion degree of the window and the shell is improved, the sealing property is improved, and the urea solution is prevented from seeping out; the highest liquid level and the lowest liquid level of the urea solution can be visually observed through the liquid level window;
5. the wall thickness of the sensor mounting opening is increased, so that not only can a split type sensor be mounted, but also an integrated type sensor can be mounted, and the bearing capacity of the upper surface of the urea box is increased; the universality of the urea box is strong.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a view showing a first installation mode of the present invention;
FIG. 2 is a structural view of a second installation mode of the present invention;
FIG. 3 is a structural view of a third installation mode of the present invention;
FIG. 4 is a diagram of a urea tank of the present invention;
FIG. 5 is a cross-sectional view of a urea tank of the present invention;
FIG. 6 is a bottom view of the upper shell of the urea tank of the present invention;
FIG. 7 is a top view of the lower shell of the urea tank of the present invention;
FIG. 8 is an enlarged view of the fill port of the urea tank of the present invention;
FIG. 9 is an enlarged view of a drain outlet of the urea tank of the present invention;
FIG. 10 is a view of the filler neck plug of the present invention;
the sensor comprises a urea tank 1, a sensor 2, a pump 3, a support 4, an oil-water separator 5, an integrated sensor 6, an upper shell 7, a sensor mounting port 8, a filling port cover 9, a lower shell 10, a liquid level window 11, a sealing gasket I12, a cover body supporting piece 13, a sealing gasket II14, a sealing gasket II 15, an O-shaped sealing ring 16, a screw 17, a filling port plug 18, a filter screen 19, a sewage discharge screw 20, a gasket 21, a nut insert 22, a sealing gasket III 23, a nut 23 and a sensor fixing insert 24.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Just as the background art introduces, there are the urea case assembly structure great among the prior art, the urea case volume is less, the commonality is poor etc. and in order to solve above technical problem, this application has proposed a vehicle urea case assembly.
In an exemplary embodiment of the present application, as shown in fig. 1, 4 and 5, there is provided a urea tank assembly for a vehicle, including a urea tank 1 and a bracket 4, wherein the urea tank 1 is mounted on the bracket 4, and the urea tank 1 is injection molded by using a polypropylene material, and includes an upper shell 7 and a lower shell 10; compared with a traditional HDPE material, the polypropylene material can increase the impact strength and the toughness strength of the urea box, and the polypropylene material improves the aging resistance and the ultraviolet resistance of the product. Urea case 1 adopts injection moulding, and with ordinary blow molding and rotational moulding contrast, the intensity that can guarantee the urea case is firm safety more, lightweight more.
The support 4 comprises two L-shaped side plates which are connected through three drawstrings in the horizontal direction and connected through two drawstrings in the vertical direction; a leather pad is arranged between the urea box 1 and the pull belt in the horizontal direction, a rectangular bracket is arranged on the pull belt in the vertical direction of the bracket 4 and used for installing the pump 3, and an oil-water separator 5 is arranged on an L-shaped side plate on one side of the bracket 4; the sensor mounting port 8 is provided with a sensor 2.
As shown in fig. 6 and 7, the upper shell 7 and the lower shell 10 are provided with reinforcing ribs inside, the inner walls of the upper shell 7 and the lower shell 10 are respectively provided with three main ribs in the length direction, the inner walls of the upper shell 7 and the lower shell 10 are provided with two transverse ribs in the width direction, the width of the main ribs and the transverse ribs is 4mm, and the height of the main ribs and the transverse ribs is 5 mm.
After the upper shell 7 and the lower shell 10 are molded by injection, the edges of the upper shell and the lower shell are melted and extruded into a whole at high temperature; the top of the upper shell 7 is provided with a sensor mounting port 8 and a filling port which is integrally injection-molded with the upper shell 7, the upper shell 7 is provided with the sensor mounting port 8 and the upper surface of the upper shell 7 at the part high of the filling port, the space is fully utilized, and the volume of the urea box is increased. The top of the filling port is provided with a filling port cover 9, a filling port plug 17 pre-tightened with the bottom surface of the filling port cover 9 is arranged inside the filling port, and the position of a knob on the top of the filling port plug 17 is in contact with the bottom surface of the filling port cover 9 for pre-tightening or a 1mm space is reserved.
The diameter of the filling port is larger than that of the filling port of the traditional urea box, so that the filling speed is improved, and the filter screen is convenient to take out; but the diameter of the oil gun is 1-5mm smaller than that of the oil gun, so that the oil gun is prevented from being inserted into the filling opening by mistake.
As shown in fig. 8 and 10, the filling plug 17 includes a strainer 18 and a rubber plug disposed on the strainer 18, and an O-ring 15 is disposed on the outer side of the rubber plug to prevent the strainer 18 from sliding and the urea solution from flowing out. The filling opening is provided with a cover body supporting part 13, the cover body supporting part 13 is connected with the upper surface of the filling opening through a screw 16, and the cover body supporting part 13 is connected with the filling opening cover 9 through a metal clamping piece. A sealing gasket I12 is arranged between the cover body supporting piece 13 and the filling port cover 9, and a sealing gasket II14 is arranged between the cover body supporting piece 13 and the filling port to improve the sealing performance of the urea box after the filling port cover 9 is screwed down. Traditional filter screen passes through the bolt fastening, when wasing or changing the filter screen at every turn, need all dismantle the part of filler, installs again, and the step is loaded down with trivial details complicated. This application only needs to open filling port lid 9, proposes filling port stopper 17, directly takes out filter screen 18 with the hand can.
The side surface of the upper shell 7 is provided with a liquid level window 11 which is integrally injection-molded with the upper shell 7; the liquid level window 11 is made of transparent polypropylene materials, and the visibility is larger than 70. The urea tank is fixed with the upper shell 7 in a secondary encapsulation mode, and the highest liquid level lines 22L and 20L are marked on the liquid level window 11, so that the urea can reach the highest liquid level line of 20L and the highest liquid level line of 22L, and the requirements for the volumes of different urea tanks are met. Liquid level window 11 and epitheca 7 integrated into one piece that moulds plastics improve the fusion degree of liquid level window 11 and epitheca 7, increase the leakproofness, prevent that urea solution from oozing, and the internal diameter of liquid level window is phi 40 mm. The maximum effective volume of the urea box 1 is 22L, and the expansion space is 5-10%.
A sewage discharge outlet is formed in the bottom of the lower shell 10, a sewage discharge screw 19 is arranged on the sewage discharge outlet, the sewage discharge screw 19 is connected with the sewage discharge outlet through a nut insert 21, and a gasket 20 and a sealing gasket III22 are arranged between the sewage discharge screw 19 and the sewage discharge outlet; the bottom of the lower shell 10 is provided with a mounting hole and is mounted on the bracket 4 through a nut 23. The drain position correspond with the position of sensor mount port 8, drain one side be equipped with two rows of mounting holes, the opposite side is equipped with a row of mounting hole, each row includes two mounting holes, it is fixed with the horizontal stretching strap of support 4 through mounting hole embedded nut 23. Urea case 1 adopts nut or bolted connection with support 4, compares traditional ribbon and bindes saving space, reduce cost.
The nut 23 is a nut with a groove in the hexagon outside, and the surface is galvanized.
Because inferior valve 10 injection moulding makes inferior valve 10 bottom surface level, only reserves sensor clearance space as invalid volume, and invalid volume is 0.3L, increases the holistic effective volume of urea case 1.
The wall thickness of the sensor mounting opening 8 is larger than that of the shell of the urea box, and a sensor fixing insert 24 is arranged in the sensor mounting opening 8; the circumference inner wall of 8 positions on the sensor installing port on be equipped with the width and be 2mm, highly be 5 mm's rice style of calligraphy muscle, promote the bearing capacity of 8 departments of sensor installing port through increasing the wall thickness and setting up rice style of calligraphy muscle.
The urea box 1 is higher than the lowest surface of the oil box mounting position by about 20 mm; the existing urea box 1 is 395mm from the ground, and the urea box 1 of this application is 485mm from the ground.
In another embodiment of the present application, two liquid level windows integrally injection-molded with a housing of the urea tank 1 are disposed on a side surface of the urea tank 1; a liquid level window for marking the highest liquid level is arranged at the upper part of the side surface of the upper shell 7, and a liquid level window for marking the lowest liquid level is arranged at the lower part of the side surface of the lower shell 10; the maximum liquid level and the minimum liquid level of the urea solution can be visually observed through the two liquid level windows, so that the urea solution can be conveniently and timely added.
In another embodiment of the present application, as shown in fig. 2, there is provided a vehicle urea tank assembly, comprising a urea tank 1 and a bracket 4, wherein the urea tank 1 is mounted on the bracket 4; the support comprises two L-shaped side plates, the two L-shaped side plates are connected through three drawstrings in the horizontal direction, and are connected through two drawstrings in the vertical direction; a leather pad is arranged between the urea box 1 and the pull belt in the horizontal direction; an L-shaped bracket is arranged on the pull belt in the vertical direction of the bracket 4 and used for mounting the pump 3, and an oil-water separator 5 is mounted on an L-shaped side plate on one side of the bracket 4; the sensor mounting port 8 is provided with a sensor 2; in the embodiment, the split type sensor is installed through the bracket 4 and the L-shaped bracket.
In another embodiment of the present application, as shown in fig. 3, there is provided a vehicle urea tank assembly, comprising a urea tank 1 and a bracket 4, wherein the urea tank 1 is mounted on the bracket 4; the support comprises two L-shaped side plates, the two L-shaped side plates are connected through three drawstrings in the horizontal direction, and are connected through two drawstrings in the vertical direction; a leather pad is arranged between the urea box 1 and the pull belt in the horizontal direction, so that friction between the urea box 1 and the support 4 is reduced. The pull belt of the bracket 4 in the vertical direction is provided with an oil-water separator 5, and the sensor mounting opening 8 is provided with an integrated sensor 6. Integrated form sensor 6 compares solitary sensor weight big, and 8 department wall thicknesses of this application sensor installing port increase, and inside is equipped with rice style of calligraphy muscle, can bear integrated form sensor 6's weight.
In another embodiment of this application, filler cap 9 on be equipped with the annular and detain, the annular detain and be equipped with the elasticity rope, the end connection bolt of elasticity rope, the top of epitheca 7 be equipped with the diplopore gasket. After the filling port cover 9 is screwed down, a bolt is inserted into one of the holes of the double-hole gasket, the filling port cover 9 is further fixed, and the phenomenon of leakage of urea solution in the urea box 1 when the automobile body shakes is prevented.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (5)
1. A vehicle urea box assembly is characterized by comprising a urea box and a support, wherein the urea box is arranged on the support and is formed by injection molding of a polypropylene material and comprises an upper shell and a lower shell; the top of the upper shell is provided with a sensor mounting port and a filling port which is integrally injection-molded with the upper shell, the top of the filling port is provided with a filling port cover, and a filling port plug which is pre-tightened with the bottom surface of the filling port cover is arranged in the filling port; a liquid level window which is integrally injection-molded with the upper shell is arranged on the side surface of the upper shell; a sewage draining port is formed in the bottom of the lower shell, and a sewage draining screw is arranged on the sewage draining port;
the filling port plug comprises a filter screen and a rubber plug arranged on the upper part of the filter screen, and an O-shaped sealing ring is arranged on the outer side of the rubber plug;
the filling opening is provided with a cover body supporting piece, the cover body supporting piece is connected with the upper surface of the filling opening through a screw, and the cover body supporting piece is connected with the filling opening cover through a metal clamping piece;
the filling port cover is provided with an annular buckle, the annular buckle is provided with an elastic rope, the end part of the elastic rope is connected with a bolt, the top of the upper shell is provided with a double-hole gasket, and the bolt can be inserted into one hole of the double-hole gasket to fix the filling port cover;
the wall thickness of the sensor mounting opening is larger than that of the urea box shell, and a sensor fixing insert is arranged inside the sensor mounting opening;
the bottom of the lower shell is provided with a mounting hole and is mounted on the bracket through a nut;
the liquid level window is made of transparent polypropylene materials and is fixed with the upper shell in a secondary encapsulation mode.
2. The urea tank assembly as claimed in claim 1, wherein the upper and lower casings have reinforcing ribs formed therein.
3. The vehicle urea tank assembly as claimed in claim 1, wherein the bracket comprises two L-shaped side plates connected by a plurality of pull straps; a rectangular bracket is arranged on the longitudinal pull belt of the bracket and used for mounting a pump, and an oil-water separator is mounted on the L-shaped side plate on one side of the bracket; and a sensor is arranged on the sensor mounting port.
4. The vehicle urea tank assembly as claimed in claim 1, wherein the bracket comprises two L-shaped side plates connected by a plurality of pull straps; an L-shaped bracket is arranged on the longitudinal pull belt of the bracket and used for mounting a pump, and an oil-water separator is mounted on an L-shaped side plate on one side of the bracket; and a sensor is arranged on the sensor mounting port.
5. The vehicle urea tank assembly as claimed in claim 1, wherein the bracket comprises two L-shaped side plates connected by a plurality of pull straps; the longitudinal pull belt of the bracket is provided with an oil-water separator, and the sensor mounting opening is provided with an integrated sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207951.XA CN106968768B (en) | 2017-03-31 | 2017-03-31 | Automobile-used urea case assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207951.XA CN106968768B (en) | 2017-03-31 | 2017-03-31 | Automobile-used urea case assembly |
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| CN106968768A CN106968768A (en) | 2017-07-21 |
| CN106968768B true CN106968768B (en) | 2020-12-01 |
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| CN201710207951.XA Active CN106968768B (en) | 2017-03-31 | 2017-03-31 | Automobile-used urea case assembly |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127974B (en) * | 2020-11-24 | 2021-02-12 | 山东艾泰克环保科技股份有限公司 | Integrated form urea case support assembly |
| CN114575974A (en) * | 2022-03-10 | 2022-06-03 | 山东统亚模塑科技实业有限公司 | Urea case filler structure and urea case |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201714464U (en) * | 2010-07-14 | 2011-01-19 | 陈庆东 | Urea tank assembly |
| CN202596846U (en) * | 2012-03-18 | 2012-12-12 | 杭州银轮科技有限公司 | Urea box with visual liquid level |
| CN103061855B (en) * | 2012-08-28 | 2015-04-15 | 亚普汽车部件股份有限公司 | Automobile urea box and forming method thereof |
| KR20140073985A (en) * | 2012-12-07 | 2014-06-17 | 현대자동차주식회사 | Urea tank in urea supply system for selective catalyst reduction device |
| CN203050858U (en) * | 2013-01-30 | 2013-07-10 | 东风（十堰）汽车热交换器有限公司 | Automobile diesel engine urea tank |
| CN203146075U (en) * | 2013-04-19 | 2013-08-21 | 宁波春华汽配有限公司 | Urea box filling port stopper |
| CN203321646U (en) * | 2013-06-27 | 2013-12-04 | 安徽江淮汽车股份有限公司 | Urea tank support assembly |
| CN103739946A (en) * | 2013-12-07 | 2014-04-23 | 天津市华鑫达投资有限公司 | High-impact high-stiffness polypropylene rotational molding material and preparation method thereof |
| CN205477846U (en) * | 2016-03-09 | 2016-08-17 | 凯龙高科技股份有限公司 | Urea solution adds lock cover assembly |
| CN106437969A (en) * | 2016-11-14 | 2017-02-22 | 中国重汽集团济南动力有限公司 | Novel light bracket assembly of car urea box |
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