CN208650958U - A kind of urea supply device - Google Patents
A kind of urea supply device Download PDFInfo
- Publication number
- CN208650958U CN208650958U CN201821298076.7U CN201821298076U CN208650958U CN 208650958 U CN208650958 U CN 208650958U CN 201821298076 U CN201821298076 U CN 201821298076U CN 208650958 U CN208650958 U CN 208650958U
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- CN
- China
- Prior art keywords
- urea
- box
- tube
- supply device
- heating
- 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.)
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model discloses a kind of urea supply devices, urea pump including urea box He the side for integrating the urea box, it is connected between the urea box and the urea pump by urea tube assembly, the side of urea box is provided with opening, one end of urea tube assembly passes through opening and protrudes into urea box, the other end of urea tube assembly is connect with urea pump, eliminates the intermediate duct that existing urea tube is connect with urea pump, therefore also eliminates the electric heating tube heated to intermediate duct；The length of pipe that urea tube is connect with urea pump is shortened, defrosting efficiency is improved, saves space, simplify structure, reduce costs.
Description
Technical field
The utility model relates to technical field of vehicle more particularly to a kind of urea supply devices.
Background technique
At work, the sensor strip being equipped on urea box sucks back urea function to exhaust gas aftertreatment system, and sensor is drawn
The intracorporal urea liquid of case is sent solution to urea pump by one section of transfer pipeline.This section of transfer pipeline is longer, is exposed to
In natural environment, when meeting low temperature, the solution in pipe can generate icing solidification phenomenon, and the urea to freeze can not convey,
This will allow after-treatment system cisco unity malfunction.
In order to avoid the solution in pipeline freezes, it will usually increase electric heating function to this section of pipeline, uniformly be protected to pipeline
Temperature prevents the urea in pipeline from ice formation issues occur.It needs to be laid with heating wire in electric heating tube, manufacturing cost is relatively high.
Utility model content
The purpose of this utility model is to provide a kind of urea supply devices, to solve delivery pipe existing in the prior art
The technical issues of urea in road easily freezes.
As above design, the technical scheme adopted by the utility model is
A kind of urea supply device, the urea pump including urea box He the side for being integrated in the urea box, the urea
It is connected between case and the urea pump by urea tube assembly, the side of the urea box is provided with opening, the urea tube group
One end of part passes through the opening and protrudes into the urea box, and the other end and the urea pump of the urea tube assembly connect
It connects.
Wherein, the urea tube assembly upper cover outside the urea box is equipped with heating box, and the heating box is fixed
It is installed on the opening and the sealing opening.
Wherein, the heating box is connected to the cooling line of engine.
Wherein, inlet and liquid outlet, the water outlet of the inlet and the cooling line are provided in the heating box
Pipe connection, the liquid outlet are connected to the return pipe of the cooling line.
Wherein, one end of the return pipe is connected to the liquid outlet, the level sensing on the other end and the urea box
Device connection.
Wherein, sealing ring is provided between the heating box and the urea box.
Wherein, axle sleeve, the side of the sealing ring and the opening are provided between the heating box and the urea box
Interior step surface abuts, and the other side of the sealing ring is abutted with the axle sleeve.
Wherein, the urea tube assembly includes inhaling urea tube and time urea tube, the suction urea tube and described time urea tube
It is that one end is connected to the urea pump, the other end passes through the heating box and is connected to the urea box.
Wherein, the liquid level sensor on the urea box is connect with heating tube, the suction urine in the urea box
Element pipe is connect with the heating tube.
Wherein, it is provided with net-filter assembly at the tap hole of the urea box, the suction urea in the urea box
The import of pipe is connect with the net-filter assembly.
Wherein, insulation cover is arranged with outside the heating box.
The utility model has the beneficial effects that
The utility model proposes urea supply device, the urea pump including urea box He the side for being integrated in urea box,
It is connected between urea box and urea pump by urea tube assembly, eliminates the intermediate tube that existing urea tube is connect with urea pump
Road, therefore the electric heating tube heated to intermediate duct is also eliminated, the length of pipe that urea tube is connect with urea pump is shortened, is mentioned
High defrosting efficiency, saves space, simplifies structure, reduce costs.
Detailed description of the invention
Fig. 1 is the cross-sectional view of urea supply device provided by the utility model；
Fig. 2 is the enlarged drawing at the A of Fig. 1；
Fig. 3 is the structural schematic diagram of urea supply device provided by the utility model.
In figure:
1, urea box；2, urea pump；3, urea tube assembly；4, heating box；5, cooling line；6, liquid level sensor；7, add
Heat pipe；8, net-filter assembly；9, sealing ring；10, axle sleeve；
31, urea tube is inhaled；32, urea tube is returned；
51, outlet pipe；52, return pipe.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.It is understood that
Specific embodiment described herein is used only for explaining the utility model, rather than the restriction to the utility model.In addition it also needs
It is noted that illustrating only part relevant to the utility model for ease of description, in attached drawing and not all.
Referring to Fig. 1 to Fig. 3, the utility model embodiment provides a kind of urea supply device, including urea box 1 and is integrated in
The urea pump 2 of the side of urea box 1 is connected between urea box 1 and urea pump 2 by urea tube assembly 3, the side of urea box 1
It is provided with opening, one end of urea tube assembly 3 passes through opening and protrudes into urea box 1, the other end and urea of urea tube assembly 3
2 connection of pump.The intermediate duct that existing urea tube is connect with urea pump is eliminated, therefore is also eliminated to intermediate duct heating
Electric heating tube；The length of pipe that urea tube is connect with urea pump is shortened, defrosting efficiency is improved, saves space, simplify
Structure reduces costs.
Be covered with heating box 4 in the urea tube assembly 3 outside urea box 1, heating box 4 be fixedly installed in opening and
Sealed opening.The mounting means of urea box 1 and urea pump 2, urea tube assembly 3 connects urea box 1 and urea pump 2, therefore has one
Part is located at the outside of urea box 1, to avoid severe cold weather that this part urea is caused to freeze, by heating box 4 to urea tube group
Part 3 carries out heating defrosting, and to eliminate the risk for the solidification that freezes, the setting of heating box 4 can not only thaw, but also can be close
Seal the opening of 1 side of urea box.
Urea tube assembly 3 includes inhaling urea tube 31 and returning urea tube 32, and inhaling urea tube 31 and returning urea tube 32 is one end
It is connected to urea pump 2, the other end passes through heating box 4 and is connected to urea box 1.Heating box 4 being capable of suction urea tube 31 to its inside
Heating defrosting is carried out with urea tube 32 is returned.
It inhales 31 part of urea tube to be located in urea box 1, for the ease of drawing urea, inhales the import of urea tube 31 close to urea
The bottom of case 1.Urea tube assembly 3 outside urea box 1 is thawed by heating box 4, the suction urea inside urea box 1
Pipe 31 is thawed by heating tube 7.Specifically, liquid level sensor 6 is provided on urea box 1, liquid level sensor 6 and heating tube 7 connect
It connects, the suction urea tube 31 in urea box 1 is connect with heating tube 7.
Net-filter assembly 8 is provided at the tap hole of urea box 1, the import for inhaling urea tube 31 is connect with net-filter assembly 8, is guaranteed
The cleannes of the urea solution of inspiration prevent from blocking.The outlet for returning urea tube 32 only needs to be connected to urea box 1.
The heat source of heating box 4 can be electric heating tube, be also possible to the recirculated cooling water of engine.In embodiment, add
Hot box 4 is connected to the cooling line 5 of engine.Circulating water of engine is first guided in heating box 4, this part urea tube is carried out
Heating is thawed, and to eliminate the risk for the solidification that freezes, does not need additionally to increase cost, and the heat of recirculated water is made to obtain abundant benefit
With.
Inlet and liquid outlet are provided in heating box 4, inlet is connected to the outlet pipe 51 of cooling line 5, liquid outlet
It is connected to the return pipe 52 of cooling line 5.Recirculated water flows out to inlet by outlet pipe 51 and enters heating box 4, then by liquid outlet
Outflow enters return pipe 52, and recirculated water flows through heating box 4, and the heat by recirculated water thaws to the ice cube of solidification.
One end of return pipe 52 is connected to liquid outlet, and the other end is connect with the liquid level sensor 6 on urea box 1.Because following
In flow process, temperature can gradually decrease ring water, therefore, so that the higher recirculated water of temperature is first flowed through heating box 4, then flow to liquid
Level sensor 6, it is ensured that thaw in heating box 4 abundant.Return pipe 52 returns to engine after liquid level sensor 6.
Sealing means between heating box 4 and urea box 1 are provided with sealing between heating box 4 and urea box 1 herein
Circle 9.Specifically, it is open as stepped hole, sealing ring 9 is arranged on step surface.
Because in use, urea box 1 can vibrate, sealing ring 9 is skidded off in order to prevent, in heating box 4 and urea box
Axle sleeve 10 is provided between 1, so that the side of sealing ring 9 is abutted with the step surface in opening, the other side of sealing ring 9 and axle sleeve
10 abut.
Mounting hole is offered on the side wall of heating box 4, inhales urea tube 31 and returns urea tube 32 across mounting hole.Inhale urea tube
It can be fixed as one, can also be sealed by rubber mat, this is not restricted between 31 and heating box 4.
Heating box 4 can be set to can, may be alternatively provided as plastic box, with no restriction to material at this.Heating box 4
Shape, can coat inhale urea tube 31 and return urea tube 32 under the premise of, in order to install, it is easy to produce be preferred, herein not
It is restricted.
When outdoor temperature it is extremely low along with have cold wind when, for guarantee heat it is not easy to lose, the outside of heating box 4 is arranged with guarantor
Temperature cover, reduces heat loss rate.
Embodiment of above only elaborates the basic principles and features of the present invention, and the utility model is not by above-mentioned reality
The mode of applying limits, and on the premise of not departing from the spirit and scope of the utility model, the present invention has various changes and changes,
These changes and changes fall within the scope of the claimed invention.The utility model requires protection scope is by appended
Claims and its equivalent thereof.
Claims (11)
1. a kind of urea supply device, which is characterized in that including urea box (1) and the side for being integrated in the urea box (1)
Urea pump (2) is connected between the urea box (1) and the urea pump (2) by urea tube assembly (3), the urea box (1)
Side be provided with opening, one end of the urea tube assembly (3) passes through the opening and protrudes into the urea box (1), institute
The other end for stating urea tube assembly (3) is connect with the urea pump (2).
2. urea supply device according to claim 1, which is characterized in that be located at the described of the urea box (1) outside
It is covered in urea tube assembly (3) heating box (4), the heating box (4) is fixedly installed in described in the opening and sealing and opens
Mouthful.
3. urea supply device according to claim 2, which is characterized in that the cooling of heating box (4) and engine
Pipeline (5) connection.
4. urea supply device according to claim 3, which is characterized in that be provided with inlet on the heating box (4)
And liquid outlet, the inlet are connected to the outlet pipe (51) of the cooling line (5), the liquid outlet and the cooling line
(5) return pipe (52) connection.
5. urea supply device according to claim 4, which is characterized in that one end of the return pipe (52) and it is described go out
The connection of liquid mouth, the other end are connect with the liquid level sensor (6) on the urea box (1).
6. urea supply device according to claim 2, which is characterized in that the heating box (4) and the urea box (1)
Between be provided with sealing ring (9).
7. urea supply device according to claim 6, which is characterized in that the heating box (4) and the urea box (1)
Between be provided with axle sleeve (10), the side of the sealing ring (9) is abutted with the step surface in the opening, the sealing ring (9)
The other side abutted with the axle sleeve (10).
8. urea supply device according to claim 2, which is characterized in that the urea tube assembly (3) includes inhaling urea
It manages (31) and goes back to urea tube (32), the suction urea tube (31) and described time urea tube (32) are one end and the urea pump
(2) it is connected to, the other end passes through the heating box (4) and is connected to the urea box (1).
9. urea supply device according to claim 8, which is characterized in that the liquid level sensor on the urea box (1)
(6) it is connect with heating tube (7), the suction urea tube (31) being located in the urea box (1) connect with the heating tube (7).
10. urea supply device according to claim 8, which is characterized in that be arranged at the tap hole of the urea box (1)
There are net-filter assembly (8), the import for being located at the suction urea tube (31) in the urea box (1) and the net-filter assembly (8) are even
It connects.
11. urea supply device according to claim 2, which is characterized in that be arranged with guarantor outside the heating box (4)
Temperature cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821298076.7U CN208650958U (en) | 2018-08-13 | 2018-08-13 | A kind of urea supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821298076.7U CN208650958U (en) | 2018-08-13 | 2018-08-13 | A kind of urea supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208650958U true CN208650958U (en) | 2019-03-26 |
Family
ID=65789335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821298076.7U Active CN208650958U (en) | 2018-08-13 | 2018-08-13 | A kind of urea supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208650958U (en) |
-
2018
- 2018-08-13 CN CN201821298076.7U patent/CN208650958U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 101, No. 1, East Ring 3rd Street, Jitiagang, Huangjiang Town, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Zhengyang Sensor Technology Co.,Ltd. Address before: Jitigang village, Huangjiang Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN ZHENGYANG ELECTRONIC MECHANICAL Co.,Ltd. |
|
| CP03 | Change of name, title or address |