CN203822424U - Urea pump fixation structure for SCR aftertreatment system - Google Patents
Urea pump fixation structure for SCR aftertreatment system Download PDFInfo
- Publication number
- CN203822424U CN203822424U CN201320851854.1U CN201320851854U CN203822424U CN 203822424 U CN203822424 U CN 203822424U CN 201320851854 U CN201320851854 U CN 201320851854U CN 203822424 U CN203822424 U CN 203822424U
- Authority
- CN
- China
- Prior art keywords
- urea
- anchor ear
- urea pump
- scr
- mounting bracket
- 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
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 239000004202 carbamide Substances 0.000 title claims abstract description 67
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
-
- 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
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses a urea pump fixation structure for an SCR aftertreatment system. The urea pump fixation structure for the SCR aftertreatment system comprises a urea tank and a urea pump, wherein a notch for installing the urea pump is formed in one side of the top of the urea tank, the urea pump is fixed on an installation support, and the installation support is fixed on the notch by a hoop assembly. The urea pump fixation structure for the SCR aftertreatment system enables the urea tank and the urea pump to be integrated, thus optimizing the arrangement of the SCR system on the whole vehicle and the arrangement of a urea pipeline, achieving compact structure and reducing cost.
Description
Technical field
The utility model belongs to automotive emission control technique field, relates in particular to a kind of urea pump fixed structure for selective catalytic conversion system SCR (Selective Catalyst Reduction).
Background technique
At present, serious pollution of atmosphere has been supervened in the fast development of Motor Vehicle, presents region composite type feature.Many metropolitan pollution of atmosphere turn to coal smoke and automotive composite type to pollute by coal-smoke pollution, and minority megalopolis has obviously shown photochemical smog type (being motor-vehicle tail-gas type) pollution of atmosphere; Therefore, the research of Diesel Emission Control Technologies: and important and extremely urgent.
At present, in SCR in automobile industry (Selective Catalyst Reduction) after-treatment system, be that partial installation is on vehicle frame, this just need to consider respectively mounting point, the mounting type of urea liquid tank and metering pump etc., design and installation support, has increased design cost and cost of material respectively; Urea liquid tank and urea pump supplier and car load factory need interface differential technique to realize rationally effective layout of urea liquid tank, urea pump, urea pipe, and docking pilot process is easily made mistakes, wasting manpower and material resources.
Model utility content
The purpose of this utility model is to provide a kind of urea pump fixed structure for SCR after-treatment system, it has compact structure, cost is low and optimize the feature of the layout of SCR system and the layout of urea pipe on car load, to solve in prior art urea tank and urea pump in SCR after-treatment system, the problem existing is installed.
For reaching this object, the utility model by the following technical solutions:
A kind of urea pump fixed structure for SCR after-treatment system, it comprises urea tank and urea pump, wherein, top one side of described urea tank is provided with for the breach of urea pump is installed, described urea pump is fixed on mounting bracket, and described mounting bracket is fixed on described breach by hoop component; Described mounting bracket integral body is " L " type structure, and the bottom of described mounting bracket offers reinforcement positioning bar with the urea tank tank body back locating slot that closely cooperates.
Especially, described hoop component comprises bottom anchor ear and top anchor ear, corresponding bottom anchor ear and top anchor ear are provided with annular mounting groove in the bottom of described breach and the urea tank at top, and described bottom anchor ear and top anchor ear pass corresponding mounting groove and with secure component, mounting bracket be fixed in urea tank.
Especially, described secure component comprises T-shaped bolt and the axle sleeve that is installed on described bottom anchor ear and anchor ear fastening end, top, and described T-shaped bolt is through axle sleeve and on T-shaped bolt, load onto sleeve pipe, spring washer nut check.
Especially, the top of described mounting bracket and bottom are provided with the bayonet socket of semicircular structure, and described T-shaped bolt passes axle sleeve and is stuck in the circular bayonet socket of two halves of mounting bracket.
Especially, described bottom anchor ear and top anchor ear are provided with protection rubber cushion outward.
The beneficial effects of the utility model are, compared with prior art the described urea pump fixed structure for SCR after-treatment system make urea tank and urea pump integrated, thereby the layout of SCR system and the layout of urea pipe on optimization car load, compact structure, reduced cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the urea pump fixed structure for SCR after-treatment system that provides of the utility model embodiment 1;
Fig. 2 is the plan view of the mounting bracket of the urea pump fixed structure for SCR after-treatment system that provides of the utility model embodiment 1;
Fig. 3 is the side view of the mounting bracket of the urea pump fixed structure for SCR after-treatment system that provides of the utility model embodiment 1;
Fig. 4 is that the anchor ear of the urea pump fixed structure for SCR after-treatment system that provides of the utility model embodiment 1 is installed plan view;
Fig. 5 is the anchor ear installation side view of the urea pump fixed structure for SCR after-treatment system that provides of the utility model embodiment 1.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model.
Refer to shown in Fig. 1 to Fig. 5, in the present embodiment, a kind of urea pump fixed structure for SCR after-treatment system comprises urea tank 1 and urea pump 2, top one side of described urea tank 1 is provided with for the square breach 3 of urea pump 2 is installed, described urea pump 2 is fixed on mounting bracket 4, described mounting bracket 4 integral body are " L " type structure, and the bottom of described mounting bracket 4 offers reinforcement positioning bar with the urea tank 1 tank body back locating slot 5 that closely cooperates, described mounting bracket 4 is fixed in described urea tank 1 by bottom anchor ear 6 and top anchor ear 7, corresponding bottom anchor ear 6 and top anchor ear 7 are provided with annular mounting groove in the bottom of described breach 3 and the urea tank at top 1, described bottom anchor ear 6 and top anchor ear 7 pass corresponding mounting groove and with secure component, mounting bracket 4 are fixed in urea tank 1.
Described secure component comprises T-shaped bolt 8 and the axle sleeve 9 that is installed on described bottom anchor ear 6 and top anchor ear 7 fastening ends, described T-shaped bolt 8 is through axle sleeve 9 and on T-shaped bolt 8, load onto sleeve pipe 10, spring washer 11 use nut 12 lockings, and the top of described mounting bracket 4 and bottom are provided with the bayonet socket 13 of semicircular structure, described T-shaped bolt 8 is stuck in the circular bayonet socket 13 of two halves of mounting bracket 4 while passing axle sleeve 9.
The outer protection rubber cushion 14 that is provided with of described bottom anchor ear 6 and top anchor ear 7.
The above-mentioned urea pump fixed structure for SCR after-treatment system has been optimized the layout of SCR system and the layout of urea pipe on car load, compact structure, has reduced cost.
Above embodiment has just set forth basic principle of the present utility model and characteristic; the utility model is not limited by above-mentioned example; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various variations and change, and these variations and change all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. the urea pump fixed structure for SCR after-treatment system, it comprises urea tank and urea pump, it is characterized in that, top one side of described urea tank is provided with for the breach of urea pump is installed, described urea pump is fixed on mounting bracket, and described mounting bracket is fixed on described breach by hoop component; Described mounting bracket integral body is " L " type structure, and the bottom of described mounting bracket offers reinforcement positioning bar with the urea tank tank body back locating slot that closely cooperates.
2. the urea pump fixed structure for SCR after-treatment system according to claim 1, it is characterized in that, described hoop component comprises bottom anchor ear and top anchor ear, corresponding bottom anchor ear and top anchor ear are provided with annular mounting groove in the bottom of described breach and the urea tank at top, and described bottom anchor ear and top anchor ear pass corresponding mounting groove and with secure component, mounting bracket be fixed in urea tank.
3. the urea pump fixed structure for SCR after-treatment system according to claim 2, it is characterized in that, described secure component comprises T-shaped bolt and the axle sleeve that is installed on described bottom anchor ear and anchor ear fastening end, top, and described T-shaped bolt is through axle sleeve and on T-shaped bolt, load onto sleeve pipe, spring washer nut check.
4. the urea pump fixed structure for SCR after-treatment system according to claim 3, it is characterized in that, the top of described mounting bracket and bottom are provided with the bayonet socket of semicircular structure, and described T-shaped bolt passes axle sleeve and is stuck in the circular bayonet socket of two halves of mounting bracket.
5. the urea pump fixed structure for SCR after-treatment system according to claim 2, is characterized in that, described bottom anchor ear and top anchor ear are provided with protection rubber cushion outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320851854.1U CN203822424U (en) | 2013-12-20 | 2013-12-20 | Urea pump fixation structure for SCR aftertreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320851854.1U CN203822424U (en) | 2013-12-20 | 2013-12-20 | Urea pump fixation structure for SCR aftertreatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203822424U true CN203822424U (en) | 2014-09-10 |
Family
ID=51477938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320851854.1U Expired - Lifetime CN203822424U (en) | 2013-12-20 | 2013-12-20 | Urea pump fixation structure for SCR aftertreatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203822424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670620A (en) * | 2013-12-20 | 2014-03-26 | 无锡市凯龙汽车设备制造有限公司 | Urea pump fixing structure used for SCR post-processing system |
-
2013
- 2013-12-20 CN CN201320851854.1U patent/CN203822424U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670620A (en) * | 2013-12-20 | 2014-03-26 | 无锡市凯龙汽车设备制造有限公司 | Urea pump fixing structure used for SCR post-processing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |