CN203050857U - Selective catalytic reduction (SCR) urea tank for diesel engine exhaust post-treatment - Google Patents
Selective catalytic reduction (SCR) urea tank for diesel engine exhaust post-treatment Download PDFInfo
- Publication number
- CN203050857U CN203050857U CN 201320051120 CN201320051120U CN203050857U CN 203050857 U CN203050857 U CN 203050857U CN 201320051120 CN201320051120 CN 201320051120 CN 201320051120 U CN201320051120 U CN 201320051120U CN 203050857 U CN203050857 U CN 203050857U
- Authority
- CN
- China
- Prior art keywords
- scr
- liquid filling
- tank body
- filling hole
- tank
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model relates to a selective catalytic reduction (SCR) urea tank for diesel engine exhaust post-treatment. The SCR urea tank for diesel engine exhaust post-treatment comprises a tank body, a filling port, a tank cover, a sensor installing port, a scavenging air valve installing port and a liquid discharge port, wherein the filling port, the tank cover, the sensor installing port, the scavenging air valve installing port and the liquid discharge port are arranged on the tank body. The filling port is of an integrated single structure and manufactured with the tank body in a once blow molding mode. The filling port is arranged at the top of the tank body and comprises a filling port shell and a blanking cover. The filling port shell is provided with a liquid filling hole which is axially penetrated, and the blanking cover is arranged on the inner side hole wall of the liquid filling hole. The SCR urea tank for diesel engine exhaust post-treatment has the advantages that the filling port is of an integrated single structure, structure is simple, assembling is easy, cost is low, meanwhile, the blanking cover is arranged on the inner side wall of the liquid filling hole, so that urea solution can be prevented form splashing, and sealing performance of the filling port is effectively ensured.
Description
Technical field
The utility model relates to the internal-combustion engines exhaust gas purifying system, relates in particular to a kind of urea tank of the SCR for diesel exhaust aftertreatment
.
Background technique
For pusher motor-car pollution emission reduction, improve atmosphere quality, the State Council has issued " about implementing the bulletin of national fourth stage C.I. Engines of Automobile and auto emission standard ", requirement was from 1 day July in 2013, and the C.I. Engines of Automobile of all production, import, sale and registration (mainly referring to diesel engine) and automobile must meet the requirement of state IV standards.
Domestic car is looked forward to the technological scheme of state IV that diesel engine is upgraded from state III, and adopt by use selective catalytic reduction (SCR) technology, utilize urea liquid to be processed the nitrogen oxide in tail gas more.Therefore, diesel-engine road vehicle is many need to add " urea tank " in after-treatment system.
Current urea tank mostly is the rotational moulding manufacturing process, and by the stainless steel cover base formation filler that is connected with tank body, and the cover base of urea tank and screw all adopt the stainless steel manufacture, and cost is higher; Moreover filler is usually due to the mode that adopts a plurality of parts assembly connections, because urea tank is exposed to car body outer (generally by fuel tank), time has been grown the sealed member corrosion and damage that can cause filler, sealing configuration easily lost efficacy, therefore cause urea liquid to be revealed, have a strong impact on the vent gas treatment effect of diesel engine of vehicle.
Above-mentioned known, be necessary prior art is further improved.
Summary of the invention
The utility model is that the urea tank cost in order to solve in the existing diesel after-treatment system is high, especially filler adopts the mode of a plurality of parts assembly connections, easily cause the sealed member corrosion and damage, sealing configuration easily lost efficacy, cause the problem that urea liquid reveals and propose a kind of simple in structurely, cost is low, and filler is simple in structure, good sealing effect, the urea tank of the SCR for diesel exhaust aftertreatment that can effectively avoid urea to reveal.
The utility model is achieved through the following technical solutions:
Above-mentioned a kind of urea tank of the SCR for diesel exhaust aftertreatment, comprise tank body and be located at filler, cover, sensor installation port, scavenging air valve mount inlet and the tap hole on described tank body; Described filler be the integral type individual construction and with the disposable blow moulding and forming of described tank body; Described filler is positioned at the top of described tank body, comprises filler housing and blanking cover; Described filler housing is provided with the liquid filling hole of axial perforation, and described blanking cover is located at the inboard hole wall of described liquid filling hole.
The described urea tank of the SCR for diesel exhaust aftertreatment, wherein: the interior of described blanking cover and described liquid filling hole all is hollow structure, and described blanking cover coupling is located at the stage casing madial wall of described liquid filling hole.
The described urea tank of the SCR for diesel exhaust aftertreatment, wherein: the inboard hole wall in the stage casing of described liquid filling hole is provided with and roughly is step-like structure, and the step surface of described step-like structure is provided with the liquid level sign.
The described urea tank of the SCR for diesel exhaust aftertreatment, wherein: the outside, the stage casing hole wall of described liquid filling hole is provided with three sections tapered threads, and the excircle that is provided with spacer block and one of them described spacer block along the circumference between adjacent two sections described tapered threads also evenly is provided with projection; The outside, the outer end hole wall that is positioned at described liquid filling hole is provided with trapezoidal thread, and the exterior edge face that is positioned at described liquid filling hole is arranged with a pair of draw-in groove; The inner outside hole wall that is positioned at described liquid filling hole is provided with stiffening rib.
The described urea tank of the SCR for diesel exhaust aftertreatment, wherein: described cover coupling is installed on described filler, with the outer end of described liquid filling hole, by described trapezoidal thread coupling, is connected.
The described urea tank of the SCR for diesel exhaust aftertreatment, wherein: described sensor installation port is located at the center of top of described tank body; Described scavenging air valve mount inlet is located at the top of described tank body and is positioned at a side of described sensor installation port; Described tap hole is located at the bottom of described tank body.
Beneficial effect:
The utility model is simple in structure for the SCR urea tank of diesel exhaust aftertreatment, filler adopts the integral type individual construction, filler need to adopt blanking cover to block at liquid filling hole because of moulding, can effectively prevent that urea liquid from splashing, the junction surface of blanking cover and filler housing is positioned at inside simultaneously, not only assembling is easy, and good airproof performance; Increased the highest liquid level sign on the step surface of liquid filling hole inner side step shape structure, to urea, filling has brought very large convenience, simultaneously, the outside, the stage casing hole wall of liquid filling hole is provided with three sections tapered threads and is provided with spacer block along circumference between adjacent two sections screw thread, not only assembly connection is convenient, firm, has also further improved the sealability of filler; Whole urea tank adopts blow moulding process, when producing, using filler as inserter, be put in the urea tank mould, disposable blow moulding and forming urea tank body, manufacturing efficiency is high, sound construction, cost is low, and the sealability of whole urea tank is high, long service life, can guarantee effective processing of the tail gas that motor vehicle diesel starts.
The accompanying drawing explanation
Fig. 1 is the overall appearance figure of the utility model for the SCR urea tank of diesel exhaust aftertreatment.
Fig. 2 is the filler structural representation of the utility model for the SCR urea tank of diesel exhaust aftertreatment.
Fig. 3 is the plan view of the utility model for the filler of the SCR urea tank of diesel exhaust aftertreatment.
Fig. 4 is the plan view of the utility model for the filler of the SCR urea tank of diesel exhaust aftertreatment.
Fig. 5 is the sectional view of the utility model for Fig. 4 A-A direction of the SCR urea tank of diesel exhaust aftertreatment.
Fig. 6 is the sectional view of the utility model for Fig. 4 B-B direction of the SCR urea tank of diesel exhaust aftertreatment.
Embodiment
As shown in Figures 1 to 6, the utility model, for the SCR urea tank of diesel exhaust aftertreatment, comprises tank body 1 and is located at filler 2, cover 3, sensor installation port 4, scavenging air valve mount inlet 5, the tap hole 6 on tank body 1.
Tank body 1 is box typed structure, and there is larger cavity volume inside, wherein, in the present embodiment, when tank body 1 is produced using this filler 2 in inserter is put in the urea tank mould, disposable blow moulding and forming.
Wherein, the inboard hole wall in the stage casing of liquid filling hole 211 is provided with and is step-like structure 212, is provided with the highest liquid level sign on the step surface of step-like structure 212; The outside, the stage casing of liquid filling hole 211 hole wall is provided with three sections tapered threads 213, and is provided with spacer block 214 along the circumference between adjacent two sections screw threads 213, along the excircle of one of them spacer block 214, evenly is provided with projection 215; The outside, the outer end hole wall of liquid filling hole 211 is provided with trapezoidal thread 217, and the exterior edge face of liquid filling hole 211 is arranged with a pair of draw-in groove 218; The inner outside hole wall of liquid filling hole 211 evenly is laid with stiffening rib 219;
Cover 3 coupling is installed on filler 2, with the outer end of the liquid filling hole 21 of filler 2, by trapezoidal thread 217, mates and is connected.
Sensor installation port 4 is located at the center of top of tank body 1, for each required sensor element is installed; Scavenging air valve mount inlet 5 also is located at tank body 1 top and is positioned at a side of sensor installation port 4, for scavenging air valve is installed; Tap hole 5 is located at the bottom of tank body 1, and when needs are put urea liquid, the urea liquid in tank body 1 can flow out from tap hole 5.
The utility model is simple in structure, and filler is made to an independent working of plastics, assembles conveniently, easy, and simultaneously manufacture cost is also low, has increased the highest liquid level sign on the step surface of the step-like structure of liquid filling hole inboard, and fluid injection is convenient; Filler need to adopt blanking cover to block at liquid filling hole because of moulding, can effectively prevent that urea liquid from splashing, good airproof performance.
Claims (6)
1. the urea tank of the SCR for diesel exhaust aftertreatment, comprise tank body and be located at filler, cover, sensor installation port, scavenging air valve mount inlet and the tap hole on described tank body; It is characterized in that: described filler be the integral type individual construction and with the disposable blow moulding and forming of described tank body;
Described filler is positioned at the top of described tank body, comprises filler housing and blanking cover;
Described filler housing is provided with the liquid filling hole of axial perforation, and described blanking cover is located at the inboard hole wall of described liquid filling hole.
2. the urea tank of the SCR for diesel exhaust aftertreatment as claimed in claim 1, it is characterized in that: the interior of described blanking cover and described liquid filling hole all is hollow structure, and described blanking cover coupling is located at the stage casing madial wall of described liquid filling hole.
3. the urea tank of the SCR for diesel exhaust aftertreatment as claimed in claim 2 is characterized in that: the inboard hole wall in the stage casing of described liquid filling hole is provided with and roughly is step-like structure, and the step surface of described step-like structure is provided with the liquid level sign.
4. the urea tank of the SCR for diesel exhaust aftertreatment as claimed in claim 3, it is characterized in that: the outside, the stage casing hole wall of described liquid filling hole is provided with three sections tapered threads, and the excircle that is provided with spacer block and one of them described spacer block along the circumference between adjacent two sections described tapered threads also evenly is provided with projection;
The outside, the outer end hole wall that is positioned at described liquid filling hole is provided with trapezoidal thread, and the exterior edge face that is positioned at described liquid filling hole is arranged with a pair of draw-in groove;
The inner outside hole wall that is positioned at described liquid filling hole is provided with stiffening rib.
5. the urea tank of the SCR for diesel exhaust aftertreatment as claimed in claim 4 is characterized in that: described cover coupling is installed on described filler, with the outer end of described liquid filling hole, by described trapezoidal thread, mates and is connected.
6. the urea tank of the SCR for diesel exhaust aftertreatment as claimed in claim 1, it is characterized in that: described sensor installation port is located at the center of top of described tank body;
Described scavenging air valve mount inlet is located at the top of described tank body and is positioned at a side of described sensor installation port;
Described tap hole is located at the bottom of described tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051120 CN203050857U (en) | 2013-01-30 | 2013-01-30 | Selective catalytic reduction (SCR) urea tank for diesel engine exhaust post-treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051120 CN203050857U (en) | 2013-01-30 | 2013-01-30 | Selective catalytic reduction (SCR) urea tank for diesel engine exhaust post-treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203050857U true CN203050857U (en) | 2013-07-10 |
Family
ID=48733818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320051120 Expired - Lifetime CN203050857U (en) | 2013-01-30 | 2013-01-30 | Selective catalytic reduction (SCR) urea tank for diesel engine exhaust post-treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203050857U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457725A (en) * | 2018-04-25 | 2018-08-28 | 潍柴动力股份有限公司 | Urea box assembly and diesel vehicle |
| CN108979808A (en) * | 2018-07-17 | 2018-12-11 | 山东艾泰克环保科技股份有限公司 | A kind of pre-buried filler flange inserts of blow molding urea box |
-
2013
- 2013-01-30 CN CN 201320051120 patent/CN203050857U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457725A (en) * | 2018-04-25 | 2018-08-28 | 潍柴动力股份有限公司 | Urea box assembly and diesel vehicle |
| CN108457725B (en) * | 2018-04-25 | 2020-10-30 | 潍柴动力股份有限公司 | Urea case assembly and diesel vehicle |
| CN108979808A (en) * | 2018-07-17 | 2018-12-11 | 山东艾泰克环保科技股份有限公司 | A kind of pre-buried filler flange inserts of blow molding urea box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105351052A (en) | Structure for preventing pump from being damaged by liquid freezing in pump in SCR (Selective Catalytic Reduction) system | |
| CN104373177A (en) | Urea solution pumping module | |
| CN203050857U (en) | Selective catalytic reduction (SCR) urea tank for diesel engine exhaust post-treatment | |
| CN203604019U (en) | Automobile three-way catalytic converter | |
| CN203050858U (en) | Automobile diesel engine urea tank | |
| CN201581967U (en) | Three-way catalytic purifier | |
| CN202628299U (en) | Cylinder head with inlet manifold | |
| CN212046861U (en) | Auxiliary water tank integrated structure | |
| CN203835520U (en) | Fan assembly | |
| CN104196602A (en) | Automobile discharge postprocessor assembly | |
| CN210135260U (en) | Electromagnetic valve sealing structure for speed control protection of marine diesel engine | |
| CN203796457U (en) | Air inlet elbow of light electronic injection pedal motorcycle engine | |
| CN201610810U (en) | Plastic intake manifold capable of changing volume of resonant cavity | |
| CN210622895U (en) | SCR urea tank for exhaust aftertreatment of diesel engine | |
| CN205225391U (en) | Prevent frozen structure that causes damage of interior liquid of pump in SCR system | |
| CN218669611U (en) | Mixer structure of automobile engine | |
| CN201096103Y (en) | 2.2 liter TCI supercharging central-cooling petroleum engine water pump | |
| CN202811116U (en) | Vacuum unit of automobile engine | |
| CN201241747Y (en) | Exhaust pipe silencer of engine | |
| CN204703986U (en) | A kind of telescopic urea box | |
| CN210050279U (en) | Oil cooling pipe of automobile transmission | |
| CN210343560U (en) | Fuel pump with double injection interfaces | |
| CN201599103U (en) | Cylinder cover for oil inlet and return of oil injector | |
| CN210265948U (en) | Electromagnetic valve body for speed control protection of marine diesel engine | |
| CN201865814U (en) | Intake manifold for diesel engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 442002 Shiyan City, Hubei province city Zhangwan District subdistrict Mirror Lake Road No. 16 Patentee after: DONGFENG YINLUN (SHIYAN) AUTO HEAT EXCHANGER CO.,LTD. Address before: Shiyan City, Hubei province 442060 City Road No. 56 Patentee before: Dongfeng (Shiyan) Automobile Heat Exchanger Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |
|
| CX01 | Expiry of patent term |