CN108457725B - Urea case assembly and diesel vehicle - Google Patents
Urea case assembly and diesel vehicle Download PDFInfo
- Publication number
- CN108457725B CN108457725B CN201810378119.0A CN201810378119A CN108457725B CN 108457725 B CN108457725 B CN 108457725B CN 201810378119 A CN201810378119 A CN 201810378119A CN 108457725 B CN108457725 B CN 108457725B
- Authority
- CN
- China
- Prior art keywords
- urea
- sub
- box
- pipe
- communicated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust 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
- F01N3/18—Exhaust 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
- F01N3/20—Exhaust 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
- F01N3/2066—Selective catalytic reduction [SCR]
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1466—Means for venting air out of conduits or tanks
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/148—Arrangement of sensors
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention provides a urea box assembly which comprises a plurality of sub-urea boxes which are arranged in a stacked mode, wherein the top of each sub-urea box is provided with a limiting sunken groove which is concave inwards in the thickness direction, and a limiting boss which is clamped and matched with the limiting sunken groove extends out of the bottom of each sub-urea box. The device also comprises an air-permeable pipeline which is communicated with each sub-urea box to discharge air in the sub-urea box, and a liquid discharge pipeline which is communicated with urea solution in the sub-urea box. The urea box is formed by combining a plurality of sub urea boxes which are arranged in a stacked mode, and the sub urea boxes with small sizes are stacked to form a large-volume urea box assembly, so that the manufacturing cost is reduced. Make urea solution can flow in the sub-urea case of bottommost through the fluid-discharge line, avoid putting the air in the independent sub-urea case simultaneously and cause urea solution can not the filling smoothly, through every sub-urea case of ventilative pipeline intercommunication, satisfy the urea user demand of large discharge engine vehicle. The invention also provides a diesel vehicle.
Description
Technical Field
The invention relates to the technical field of diesel vehicles, in particular to a urea box assembly and a diesel vehicle.
Background
Automotive urea is a liquid used in SCR (Selective Catalytic Reduction) technology to reduce nitrogen oxide pollution in diesel exhaust. When the automobile runs and the system finds that the exhaust pipe contains nitrogen oxide, the exhaust is treated by spraying the diesel engine exhaust treating fluid. The automobile urea is carried by a urea box assembly, and the urea box assembly is a urea solution container for a urea injection post-treatment system and is integrated with structures such as a liquid level sensor, a urea box cover and the like.
For a diesel vehicle with a large-emission engine, more urea is needed to meet the requirement of tail gas treatment, so that the volume of a urea box is overlarge. The large-volume urea box manufacturing mould has high cost, and the urea box is low in strength due to large volume and easy to deform in the using process.
Therefore, how to optimize the structure of the urea box of the large-emission engine is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a urea tank assembly to optimize the structure of a urea tank of a large-emission engine; the invention also provides a diesel vehicle.
In order to achieve the purpose, the invention provides the following technical scheme:
a urea box assembly comprises a plurality of sub urea boxes which are arranged in a stacked mode, wherein the top of each sub urea box is provided with a limiting sunken groove which is concave along the thickness direction of the sub urea box, and a limiting boss which is clamped and matched with the limiting sunken groove extends out of the bottom of each sub urea box;
the device also comprises an air-permeable pipeline which is communicated with each sub-urea box to discharge air in the sub-urea box, and a liquid discharge pipeline which is communicated with urea solution in the sub-urea box.
Preferably, in the urea tank assembly, each of the sub-urea tanks has the same structure, and a urea tank bracket for supporting the sub-urea tanks is disposed at the bottom of the sub-urea tanks arranged in a stacked manner.
Preferably, in the urea tank assembly, an air vent is formed in the top of each sub-urea tank, and the air vent pipeline includes a main air vent pipe arranged along the stacking direction of the sub-urea tanks, and a branch air vent pipe extending from the main air vent pipe and communicating with the air vent.
Preferably, in the urea tank assembly, a urea tank cover for adding urea is arranged on the air vent at the top of the plurality of sub urea tanks arranged in a stacked manner.
Preferably, in the urea tank assembly, the vent hole is provided with a vent pipe seat in threaded connection, and a vent pipe connecting pipe communicated with the vent branch pipe coaxially extends out of the vent pipe seat.
Preferably, in the urea tank assembly, a urea communication hole is formed in the bottom of each sub-urea tank, and the liquid discharge pipeline comprises a liquid discharge main pipe and a liquid discharge branch pipe communicated with the urea communication hole; and the urea communication hole is in threaded connection with a communication pipe seat communicated with the liquid discharge branch pipe.
Preferably, in the urea tank assembly, the limiting sinking grooves comprise a horizontal limiting sinking groove and a vertical limiting sinking groove which are respectively arranged along the horizontal direction and the vertical direction of the sub urea tank in a crossed manner; the limiting boss is a cross limiting boss protruding out of the bottom of the sub-urea box.
Preferably, in the urea tank assembly, a urea tank sensor mounting seat is provided at the top of each sub-urea tank, and the urea tank assembly further comprises a connection harness communicated with each urea tank sensor mounting seat;
the connection wiring harness comprises a liquid level temperature sensor for monitoring the temperature of the bottommost sub-urea box in the plurality of laminated sub-urea boxes, and a liquid level sensor for monitoring the liquid level of the rest sub-urea boxes.
Preferably, in the urea tank assembly, a liquid discharging hole, a liquid return pipe interface communicated with the liquid return pipe, and a liquid suction pipe interface communicated with the liquid suction pipe are further formed in the bottom of each sub urea tank.
The utility model provides a diesel vehicle, includes the automobile body and sets up in urea case assembly on the automobile body, urea case assembly as above arbitrary one urea case assembly.
The urea box assembly provided by the invention comprises a plurality of sub urea boxes which are arranged in a laminated mode, wherein the top of each sub urea box is provided with a limiting sunken groove which is concave inwards along the thickness direction of the sub urea box, and a limiting boss which is clamped and matched with the limiting sunken groove extends out of the bottom of each sub urea box. The device also comprises an air-permeable pipeline which is communicated with each sub-urea box to discharge air in the sub-urea box, and a liquid discharge pipeline which is communicated with urea solution in the sub-urea box. The urea case is formed by combining a plurality of sub urea cases which are arranged in a stacked mode, transverse sliding limiting is achieved between the two connected sub urea cases through a clamping structure of the limiting groove and the limiting boss, the sub urea cases with small sizes are stacked to form the large-volume urea case assembly, and manufacturing cost is reduced. Urea filling to sub-urea incasement, through communicating every sub-urea case liquid discharge pipeline for urea solution can flow in the sub-urea case of bottommost, derives by unified tapping hole, and in order to avoid putting the air in the solitary sub-urea case simultaneously and cause urea solution filling smoothly, through every sub-urea case of ventilative pipeline intercommunication, guarantee the urea filling volume in every sub-urea case, satisfy the urea user demand of large discharge engine vehicle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the layout of a urea tank assembly according to the present invention;
FIG. 2 is a schematic top view of the neutron-urea tank of FIG. 1;
FIG. 3 is a schematic bottom structure view of the urea tank of FIG. 1;
FIG. 4 is a partial structure diagram of the structure of the urea tank cover in FIG. 1;
FIG. 5 is a schematic structural view of a ventilation pipeline;
FIG. 6 is a schematic view of a structure of a vent tube base;
FIG. 7 is a schematic view of the structure of the drainage line;
FIG. 8 is a schematic view of a structure of a communication pipe socket.
Detailed Description
The invention discloses a urea box assembly, which optimizes the structure of a urea box of a large-emission engine; the invention also provides a diesel vehicle.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, fig. 1 is a schematic view of the arrangement structure of a urea tank assembly provided by the present invention; FIG. 2 is a schematic top view of the neutron-urea tank of FIG. 1; fig. 3 is a schematic bottom structure diagram of the urea tank in fig. 1.
The embodiment provides a urea case assembly, including a plurality of sub-urea case 1 of range upon range of arrangement, the top of every sub-urea case 1 all is provided with along the spacing heavy groove 2 of its thickness direction indent, and the bottom of every sub-urea case 2 all stretches out to have and clamps the spacing boss 3 of dress cooperation with spacing heavy groove 2. The device also comprises an air-permeable pipeline 4 which is communicated with each sub-urea box 1 to discharge air in the sub-urea box and a liquid discharge pipeline 5 which is communicated with urea solution in the sub-urea box. The urea box is formed by combining a plurality of sub urea boxes 1 which are arranged in a stacked mode, transverse sliding limiting is achieved between the two connected sub urea boxes 1 through a clamping structure of the limiting groove 2 and the limiting boss 3, the sub urea boxes 1 with small sizes are stacked to form a large-volume urea box assembly, and manufacturing cost is reduced. Urea filling to sub-urea case 1 in, through communicating every sub-urea case fluid-discharge line 5, make urea solution can flow into the sub-urea case 1 of bottommost, derive by unified tap hole, in order to avoid putting the air in the solitary sub-urea case simultaneously and cause the urea solution filling smoothly, through 4 every sub-urea cases of ventilative pipeline intercommunication 1, guarantee the urea filling volume in every sub-urea case 1, satisfy the urea user demand of large discharge engine vehicle.
In a specific embodiment of the present disclosure, each sub-urea tank 1 has the same structure, and preferably, the sub-urea tanks 1 include four sub-urea tanks arranged in a stacked manner; the bottom of the sub-urea tanks 1 arranged in a stacked manner is provided with a urea tank bracket 6 for supporting the sub-urea tanks. The urea box assembly is composed of a plurality of sub urea boxes 1, the use requirement of the large-volume urea solution is met by combining a plurality of small-volume sub ureas, and the preparation difficulty of the large-volume urea box assembly is reduced.
Urea case assembly comprises four sub-urea casees 1, because the bottom of sub-urea case 1 stretches out there is spacing boss 3, for the ease of the installation of a plurality of sub-urea casees 1 of range upon range of arrangement, supports the sub-urea case 1 of bottom by urea case bracket 6, reduces the installation degree of difficulty. Meanwhile, the four sub-urea boxes 1 are arranged in the same structure, so that the sub-urea boxes can be manufactured by the same set of die during preparation, and the manufacturing cost is further reduced.
In an embodiment of the present disclosure, each sub-urea tank 1 has an air vent 7 formed at a top thereof, and the air vent pipeline 4 includes a main air vent pipe 41 arranged along a stacking direction of the sub-urea tanks, and a branch air vent pipe 42 extending from the main air vent pipe 41 and connected to the air vent 7. The air inside the plurality of sub-urea boxes 1 is discharged through the ventilation pipeline 4 when urea solution is filled, in order to ensure the consistency of the preparation structure of the sub-urea boxes 1, the ventilation holes 7 are formed in the top of each sub-urea box 1, each ventilation pipeline 4 comprises a ventilation main pipe 41 and a ventilation branch pipe 42, each ventilation branch pipe 42 is directly connected with each ventilation hole 7, each ventilation branch pipe 42 is connected through the ventilation main pipe 41, the air in each sub-urea box 1 is introduced into the highest point of the ventilation main pipe 41 through the ventilation main pipe 41 and is discharged, the ventilation main pipe 41 is arranged along the stacking direction of the sub-urea boxes, and liquid in the sub-urea boxes is prevented from being filled to affect the air discharge.
As shown in fig. 4-8, fig. 4 is a partial structure schematic diagram of the structure of the urea tank cover in fig. 1; FIG. 5 is a schematic structural view of a ventilation pipeline; FIG. 6 is a schematic view of a structure of a vent tube base; FIG. 7 is a schematic view of the structure of the drainage line; FIG. 8 is a schematic view of a communicating tube seat
In a specific embodiment of the scheme, a urea box cover 8 for additionally installing urea is arranged on the air holes 7 at the top of the plurality of sub urea boxes which are arranged in a laminated mode. The air holes 7 are simultaneously set as filling holes of urea solution, and the air holes 7 are sealed by a urea box cover 8 and urea is added. The installation position of the urea box cover 8 is the air holes on the sub urea box 1 at the topmost part of the plurality of laminated sub urea boxes 1.
In an embodiment of the present disclosure, the vent hole 7 is provided with a vent pipe seat 9 in threaded connection, and a vent pipe connecting pipe 91 communicated with the vent branch pipe coaxially extends from the vent pipe seat 9. The air holes 7 are formed in the top of the sub-urea box 1, and after the urea solution is filled, the tightness of the positions of the air holes 7 in the sub-urea box 1 is guaranteed. Through ventilative tube socket 9 and bleeder vent 7 threaded connection, communicate with ventilative branch pipe 42 by ventilative hole socket 9, the coaxial permeability cell connecting pipe 91 that sets up on ventilative tube socket 9 is convenient for realize the connection of ventilative pipeline 4.
In a specific embodiment of the present disclosure, a urea communication hole 10 is formed at the bottom of each sub-urea tank 1, and the liquid discharge pipeline 5 includes a liquid discharge main pipe 51 and a liquid discharge branch pipe 52 communicated with the urea communication hole 10; the urea communication hole 10 is screwed with a communication pipe seat 11 communicated with the liquid discharge branch pipe 52. The liquid discharge pipeline 5 is used for introducing the urea solution in each sub-urea tank 1 into the bottommost sub-urea tank 1 in the laminated structure for discharge, the urea communication hole 10 is formed in the bottom of each sub-urea tank 1, the liquid discharge pipeline 5 comprises a liquid discharge branch pipe 52 and a liquid discharge main pipe 51, the liquid discharge branch pipe 52 is communicated with the urea communication hole 10 to lead out the urea solution in each sub-urea tank 1, the liquid discharge main pipe 51 is communicated with each liquid discharge branch pipe 52 to lead the urea solution into the bottommost sub-urea tank 1, and the urea solution in the urea tank assembly can be smoothly discharged.
Through setting up the top of ventilative pipeline 4 intercommunication each sub-urea case 1, when filling urea solution, urea solution flows into the sub-urea case 1 of the bottom layer that does not fill through communicating pipe top-down, and the air flows out by ventilative pipeline 4, accomplishes the filling process, guarantees urea solution and installs the in-process additional, and the air is discharged smoothly in each sub-urea case 1. The liquid discharge branch pipes 52 are arranged to be communicated with the urea communication holes 10, so that the sub urea tanks 1 with the independent urea containing cavities are communicated into a whole, in the urea solution adding process, the urea solution firstly flows into the sub urea tank 1 at the bottommost part, and rises layer by layer after the bottom layer is filled until all the sub urea tanks are filled, and the filling of the urea solution in all the sub urea tanks is finished. When the urea pump works and absorbs urea, the urea solution can be smoothly sucked from top to bottom due to the action of the liquid discharge pipeline 5 and the ventilation pipeline 4.
In a specific embodiment of the scheme, the limit sink 2 comprises a transverse limit sink and a vertical limit sink which are respectively arranged along the transverse direction and the vertical direction of the sub-urea box in a crossed manner; the limiting boss 3 is a cross limiting boss protruding out of the bottom of the sub-urea box. Spacing heavy groove 2 is located the middle part at sub-urea case 1 top, is the cross column structure, and correspondingly, spacing boss 3 is the spacing boss of cross, need guarantee the laminating clearance between spacing heavy groove 2 and the spacing boss 3, avoids rocking of urea case assembly along with the automobile body.
Because spacing heavy groove 2 includes criss-cross horizontal spacing heavy groove and perpendicular spacing heavy groove to horizontal spacing heavy groove and perpendicular spacing heavy groove are the coordinate axis, consequently sub-urea case 1 is the boss structure in four quadrants, correspondingly, sub-urea case 1 is when the filling urea, be located the sub-urea case at a plurality of sub-urea case 1 top that range upon range of the arrangement, will have four areas that can not irritate completely and fill, adapt to the change of vehicle operation cold and hot environment, the criss-cross spacing heavy groove structure of sub-urea case reserves the space of expending with heat and contract with cold for urea case assembly, the security improves.
In a specific embodiment of the scheme, the top of each sub-urea tank 1 is provided with a urea tank sensor mounting seat 12, and the urea tank sensor mounting seat further comprises a connecting wire harness 13 communicated with each urea tank sensor mounting seat 12;
the connection harness 13 includes a liquid level temperature sensor that monitors the temperature of the bottommost sub-urea tank 1 among the plurality of sub-urea tanks 1 stacked, and a liquid level sensor that monitors the liquid level of the remaining sub-urea tanks.
The vehicle is by urea case assembly holding urea solution, and the vehicle operation in-process needs constantly to monitor urea temperature and urea surplus. Because urea case assembly is the laminated structure of a plurality of sub-urea casees 1, when concrete control, only need control the interior urea temperature of the sub-urea case 1 of bottommost can, and because there is the urea condition in backward flow to urea case assembly in the urea use, consequently need monitor the liquid level of every sub-urea case to monitor the total amount of urea.
The urea tank sensor mounting seats are preset on the sub-urea tank 1, each urea tank sensor mounting seat 12 is communicated with a connecting wire harness 13, and each sensor monitors the state of urea solution in the sub-urea tank 1 through the urea tank sensor mounting seats 12. The working state of the urea box assembly which is suitable for stacking arrangement is achieved, the liquid level temperature sensor is arranged in the bottommost sub urea box, the working temperature and the liquid level of urea in the sub urea box are monitored in real time, and the liquid level sensors in the other sub urea boxes only monitor the urea liquid level in the sub urea box. The urea box sensor can adopt a pipe thread form to realize effective sealing. And all the urea box sensors are connected in series through connecting wire harnesses, so that the liquid level of the whole urea box assembly is monitored.
In an embodiment of the present disclosure, a liquid discharging hole 14, a liquid return pipe interface 16 communicated with a liquid return pipe, and a liquid suction pipe interface 15 communicated with a liquid suction pipe are further disposed at the bottom of each sub-urea tank 1. The working requirement of the urea box assembly in the operation of the vehicle is met, the bottom of each sub urea box 1 is provided with a liquid discharging hole 14, wherein only the liquid discharging hole arranged in the bottommost sub urea box 1 is provided with a liquid discharging switch, and the rest liquid discharging holes are of bolt sealing structures. And a liquid return pipe interface and a washing liquid pipe interface are arranged on each sub-urea box and are respectively communicated with a liquid return pipe and a liquid suction pipe, so that different use requirements on urea are met.
According to the urea box assembly provided by the embodiment, each sub-urea box 1 is consistent in structure and is manufactured by the same mold, and the mold cost has obvious advantages compared with the urea box with the same volume; and the small-volume urea box body has higher structural strength and is not easy to deform.
Based on the urea box assembly provided in the above embodiment, the invention also provides a diesel vehicle, which comprises a vehicle body and the urea box assembly arranged on the vehicle body, wherein the urea box assembly arranged on the diesel vehicle is the urea box assembly provided in the above embodiment.
Because the diesel vehicle adopts the urea tank assembly of the above embodiment, please refer to the above embodiment for the beneficial effects brought by the urea tank assembly of the diesel vehicle.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A urea box assembly is characterized by comprising a plurality of sub urea boxes which are arranged in a stacked mode, wherein the top of each sub urea box is provided with a limiting sink groove which is concave inwards in the thickness direction of the sub urea box, and a limiting boss which is clamped and matched with the limiting sink groove extends out of the bottom of each sub urea box;
the device also comprises an air-permeable pipeline which is communicated with each sub-urea box to discharge air in the sub-urea box, and a liquid discharge pipeline which is communicated with urea solution in the sub-urea box;
urea box covers for additionally containing urea are arranged on the air holes at the tops of the plurality of sub urea boxes which are arranged in a laminated manner;
the limiting sinking grooves comprise transverse limiting sinking grooves and vertical limiting sinking grooves which are respectively arranged along the transverse direction and the vertical direction of the sub-urea box in a crossed manner; the limiting boss is a cross limiting boss protruding out of the bottom of the sub-urea box.
2. The urea tank assembly of claim 1, wherein each of the sub-urea tanks is identical in structure, and a urea tank bracket for supporting the sub-urea tanks is arranged at the bottom of the sub-urea tanks arranged in a stacked manner.
3. The urea tank assembly according to claim 2, wherein each of the sub-urea tanks has a vent hole formed at a top thereof, and the vent line includes a main vent pipe arranged in a stacking direction of the sub-urea tanks, and a branch vent pipe extending from the main vent pipe and communicating with the vent hole.
4. The urea tank assembly as claimed in claim 3, wherein the vent holes are provided with vent pipe seats in threaded connection, and vent pipe connecting pipes communicated with the vent branch pipes coaxially extend from the vent pipe seats.
5. The urea tank assembly as claimed in claim 3, wherein a urea communication hole is formed in the bottom of each sub urea tank, and the liquid discharge pipeline comprises a liquid discharge main pipe and a liquid discharge branch pipe communicated with the urea communication hole; and the urea communication hole is in threaded connection with a communication pipe seat communicated with the liquid discharge branch pipe.
6. The urea tank assembly of claim 1, wherein a urea tank sensor mounting seat is provided at the top of each sub-urea tank, and the urea tank assembly further comprises a connection harness communicated with each urea tank sensor mounting seat;
the connection wiring harness comprises a liquid level temperature sensor for monitoring the temperature of the bottommost sub urea box in the plurality of laminated sub urea boxes, and a liquid level sensor for monitoring the liquid level of the sub urea boxes.
7. The urea tank assembly of claim 1, wherein the bottom of each sub-urea tank is further provided with a tapping hole, a liquid return pipe port communicated with the liquid return pipe, and a liquid suction pipe port communicated with the liquid suction pipe.
8. A diesel vehicle comprising a vehicle body and a urea tank assembly arranged on the vehicle body, wherein the urea tank assembly is as claimed in any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378119.0A CN108457725B (en) | 2018-04-25 | 2018-04-25 | Urea case assembly and diesel vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378119.0A CN108457725B (en) | 2018-04-25 | 2018-04-25 | Urea case assembly and diesel vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108457725A CN108457725A (en) | 2018-08-28 |
| CN108457725B true CN108457725B (en) | 2020-10-30 |
Family
ID=63236240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810378119.0A Active CN108457725B (en) | 2018-04-25 | 2018-04-25 | Urea case assembly and diesel vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108457725B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1149861A (en) * | 1995-02-17 | 1997-05-14 | 车船工业制造芬莎有限公司 | Stackable and laterally couplable containers |
| CN201573841U (en) * | 2009-11-24 | 2010-09-08 | 中山汇伟塑胶工业有限公司 | Large-capacity glue tank capable of being placed in overlapping mode |
| CN201714464U (en) * | 2010-07-14 | 2011-01-19 | 陈庆东 | Urea tank assembly |
| CN203050857U (en) * | 2013-01-30 | 2013-07-10 | 东风（十堰）汽车热交换器有限公司 | Selective catalytic reduction (SCR) urea tank for diesel engine exhaust post-treatment |
| CN203925693U (en) * | 2014-07-03 | 2014-11-05 | 安徽江淮汽车股份有限公司 | Light passenger train's urea tank bracket assembly and light passenger train |
| CN208294616U (en) * | 2018-04-25 | 2018-12-28 | 潍柴动力股份有限公司 | Urea box assembly and diesel vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0183494B1 (en) * | 1993-05-21 | 1999-04-01 | 세이이치로오 타카이 | Equipment for storing water for miscellaneous use |
-
2018
- 2018-04-25 CN CN201810378119.0A patent/CN108457725B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1149861A (en) * | 1995-02-17 | 1997-05-14 | 车船工业制造芬莎有限公司 | Stackable and laterally couplable containers |
| CN201573841U (en) * | 2009-11-24 | 2010-09-08 | 中山汇伟塑胶工业有限公司 | Large-capacity glue tank capable of being placed in overlapping mode |
| CN201714464U (en) * | 2010-07-14 | 2011-01-19 | 陈庆东 | Urea tank assembly |
| CN203050857U (en) * | 2013-01-30 | 2013-07-10 | 东风（十堰）汽车热交换器有限公司 | Selective catalytic reduction (SCR) urea tank for diesel engine exhaust post-treatment |
| CN203925693U (en) * | 2014-07-03 | 2014-11-05 | 安徽江淮汽车股份有限公司 | Light passenger train's urea tank bracket assembly and light passenger train |
| CN208294616U (en) * | 2018-04-25 | 2018-12-28 | 潍柴动力股份有限公司 | Urea box assembly and diesel vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108457725A (en) | 2018-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9186984B2 (en) | Cover with filler neck | |
| CN108457725B (en) | Urea case assembly and diesel vehicle | |
| CN204267196U (en) | Heavy truck and two oil tank fuel system thereof | |
| JP2023528835A (en) | Inflatable water bottles, vehicle cooling systems and vehicles | |
| CN207609646U (en) | A kind of Novel hydraulic station | |
| KR20130100202A (en) | Ventilating device for liquid containers, in particular for liquid containers for an aqueous urea solution | |
| CN201863710U (en) | Compound type diesel fuel tank | |
| CN211320221U (en) | Thermal management system and fuel cell vehicle with same | |
| CN203362672U (en) | pressure-gradient control valve set | |
| CN208294616U (en) | Urea box assembly and diesel vehicle | |
| CN206770035U (en) | Fuel-injector for automobile engine cleaning device | |
| CN215370014U (en) | Vertical installation formula expansion tank | |
| CN202866976U (en) | Flaring type cooling pipe and automobile radiator | |
| CN211692612U (en) | Urea injection system of marine after-treatment system | |
| CN202182757U (en) | Urea liquid level sensor | |
| CN210941344U (en) | Dedicated integrated form hydrogen storage tank of hydrogen energy car and hydrogen energy car | |
| CN203362671U (en) | Double-way priority valve group | |
| CN102410907A (en) | General fuel tank cap used in motor vehicle fuel tank pressure test | |
| CN207225077U (en) | A kind of novel anti-theft oil tank | |
| CN205074177U (en) | Automatic coating device | |
| CN210885287U (en) | Environment-friendly oil tank device of oil tank loading and unloading vehicle | |
| CN206249111U (en) | A kind of liquid feeding control device of small-caliber vessel | |
| CN215436385U (en) | Liquid storage tank and brake system | |
| CN205422915U (en) | Novel thermostat base | |
| CN204845525U (en) | Add oil pipe assembly with flexible construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |