CN107575284A - Urea loading system - Google Patents
Urea loading system Download PDFInfo
- Publication number
- CN107575284A CN107575284A CN201710628696.6A CN201710628696A CN107575284A CN 107575284 A CN107575284 A CN 107575284A CN 201710628696 A CN201710628696 A CN 201710628696A CN 107575284 A CN107575284 A CN 107575284A
- Authority
- CN
- China
- Prior art keywords
- guide pin
- pin bushing
- urea
- logical liquid
- breather pipe
- 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.)
- Pending
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Classifications
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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 invention discloses a kind of urea loading system, it is related to loading system technical field, it includes the filler pipe of connection urea tank, and the other end of filler pipe is connected with fill adapter, and connecting seat is provided with the filler of urea tank, and connecting seat sets logical liquid guide pin bushing and steam vent；Filler pipe is connected with connecting seat, and filler pipe includes breather pipe and the fluid-through tube being arranged in breather pipe, and fluid-through tube is connected by logical liquid guide pin bushing with urea tank, and breather pipe is connected by steam vent with urea tank；Fill adapter is provided with gas outlet and connects the guide shell of fluid-through tube, and gas outlet connects with breather pipe.The present invention solves the problems, such as that existing long-range urea loading system filling speed is slow and fills overflow.
Description
Technical field
The present invention relates to loading system technical field, especially a kind of long-range urea for engineering machinery such as loading machines adds
Injection system.
Background technology
Energy-conserving and environment-protective technology has been a global problem, in all trades and professions attention degree more and more higher.Not only automobile-used bavin
Oily car Abgasgesetz constantly upgrades, and the non-rice habitats machinery using engineering machinery as representative is also constantly upgrading, particularly with the U.S. and
Europe is the country of representative, and non-rice habitats machinery has been carried out EPA Tier 4f and EU stage IV, SCR technology
（SCR) have application in engine aftertreatment system, the technology is to spray urea liquid to tail gas, with the nitrogen oxidation in tail gas
Thing（NOx）Chemical reaction is produced, nitrogen and water discharge are converted into, to reduce the discharge capacity of nitrogen oxides.Urea is as SCR technology
In general consumption product, fill the attention that convenience and agility have gradually caused Famous Construction Machinery Manufacturers, some producers propose
Urea remotely fills, the conventional long-range urea loading system of existing a kind of engineering machinery, between urea tank and filler
Increase a flexible pipe, connected urea tank, flexible pipe with filler by clip, this structure is urea tank and urea filler
Cloth set provides more choices, and to urea addition with convenience, but there is also following defect：First, discharged from urea tank
Gas and entrance urea tank urea liquid share a passage, and gas-flow resistance is larger when urea fills, and filling speed is slow；Second, add
Urea filling gun need to be controlled during note with low flow rate filling, otherwise urea liquid can go out from filler overflow, cause to waste.
The content of the invention
It is an object of the invention to provide a kind of urea loading system, this system can solve existing long-range urea filling system
The problem of system filling speed is slow and fills overflow.
In order to solve the above problems, the technical solution adopted by the present invention is：This urea loading system includes connection urea
The filler pipe of tank, the other end of the filler pipe are connected with fill adapter, connecting seat are provided with the filler of the urea tank,
The connecting seat sets logical liquid guide pin bushing and steam vent；The filler pipe is connected with the connecting seat, and the filler pipe includes
Breather pipe and the fluid-through tube being arranged in the breather pipe, the fluid-through tube are connected by the logical liquid guide pin bushing and the urea tank
Logical, the breather pipe is connected by steam vent with the urea tank；The fill adapter is provided with gas outlet and connected described logical
The guide shell of liquid pipe, the gas outlet connect with the breather pipe.
In the technical scheme of above-mentioned urea loading system, more specifically technical scheme can also be：The connecting seat includes
The ventilation guide pin bushing of the urea tank and the logical liquid guide pin bushing are inserted, the ventilation guide pin bushing is installed with to be connected with the urea tank
Outside link plate, the logical liquid guide pin bushing insertion ventilation guide pin bushing is simultaneously connected by interior connecting plate with the guide pin bushing of ventilating, described
Multiple steam vents are offered on interior connecting plate；The breather pipe is sleeved on the ventilation guide pin bushing, and the fluid-through tube leads to described
Liquid guide pin bushing connects.
Further, the outside link plate be welded in it is described ventilation guide pin bushing middle part, the outside link plate by bolt with
The urea tank connection；The length of the logical liquid guide pin bushing is longer than the ventilation guide pin bushing, and the part that the logical liquid guide pin bushing is grown is stretched into
In the breather pipe, the both ends of the breather pipe are tightened in the ventilation guide pin bushing and the fill adapter by the first clip respectively
On.
Further, the interior connecting plate is welded on the port of the ventilation guide pin bushing and the outer wall of the logical liquid guide pin bushing,
One end of the fluid-through tube is inserted the logical liquid guide pin bushing and is interference fitted with the logical liquid guide pin bushing, and the other end is pricked by the second clip
Tightly on the guide shell.
Further, the fluid-through tube is rubber tube, and the breather pipe is bellows.
By adopting the above-described technical solution, the present invention has the advantages that compared with prior art：
1st, the feature opposite with urea liquid flow direction is flowed using gas when filling, sets gas-liquid to import and export the filling of separation
Joint, connecting seat and fluid-through tube and breather pipe, separate urea liquid passage and exhaust passage, so as to be discharged in urea tank
Gas and flow into the urea liquid of urea tank and separate, eliminate back draught resistance during urea liquid filling, greatly improve
Urea filling speed；Meanwhile urea liquid will not will not cause urea liquid to waste from filler overflow when quickly filling.
2nd, the setting of the structure and connected mode of fill adapter, filler pipe and connecting seat, can ensure that urea liquid passage and
Exhaust passage separates completely, is advantageous to guide the injection of urea liquid and the discharge of gas.
Brief description of the drawings
Fig. 1 is the structural representation of this urea loading system.
Fig. 2 is the structural representation of connecting seat.
Fig. 3 is the structural representation of fill adapter.
Embodiment
The invention will be further described for embodiment below in conjunction with the accompanying drawings：
Urea loading system shown in Fig. 1 mainly includes fill adapter 6, filler pipe 4 and the company at the filler of urea tank 1
Joint chair 2, the both ends of filler pipe 4 connect fill adapter 6 and connecting seat 2 respectively；The profile of urea tank 1 of the present embodiment is an enneahedron
Prism, wherein inclined-plane and the angle in two adjacent faces are 45 degree, and 1 circular hole and 6 of installation connecting seat 2 is provided with inclined-plane
Screwed hole.
Connecting seat 2 as shown in Figure 2 is by logical liquid guide pin bushing 2-1, interior connecting plate 2-2, ventilation guide pin bushing 2-3 and outside link plate 2-4
Composition, interior connecting plate 2-1 and outside link plate 2-4 are the annular slab of center drilling, and the ventilation guide pin bushing 2-3 about logical liquid of diameter is led
1.5 times of 2-1 diameters are covered, ventilation guide pin bushing 2-3 length is about 2/3rds of logical liquid guide pin bushing 2-1, and logical liquid guide pin bushing 2-1 is placed in logical
In conductance set 2-3 and it is coaxially disposed, they insert one end alignment of urea tank 1, and the ventilation guide pin bushing 2-3 other end passes through interior connection
Plate 2-2 is connected with logical liquid guide pin bushing 2-1 outer wall, and the diameter of interior connecting plate 2-2 center drillings is slightly larger than the straight of logical liquid guide pin bushing 2-1
Footpath, ensure that logical liquid guide pin bushing 2-1 is solderable on interior connecting plate 2-2,12 equally distributed steam vents are provided with interior connecting plate 2-2
2-21；Weld outside link plate 2-4 on the outer wall in the middle part of ventilation guide pin bushing 2-3, be provided with outside link plate 2-4 6 it is equally distributed
Through hole, is provided with screwed hole in urea tank 1, and connecting seat 2 is fixed on urea by being installed on through hole 2-41 and screwed hole bolt
On tank 1.
The filler pipe 4 of this urea loading system is made up of breather pipe 4-1 and the fluid-through tube 4-2 being arranged in breather pipe 4-1,
For ease of remote arrangement, breather pipe 4-1 is arranged to the bellows that can be stretched, and fluid-through tube 4-2 is then made up of rubber tube；Fluid-through tube
The logical liquid guide pin bushing 2-1 of 4-2 one end insertion connecting seat 2 is simultaneously interference fitted with logical liquid guide pin bushing 2-1, and the other end passes through the second clip 5
Tighten on the guide shell 6-1 of fill adapter 6, the guide shell 6-1 of fill adapter 6 is successively through fluid-through tube 4-2, logical liquid guide pin bushing 2-1
The logical liquid passage of formation is connected with urea tank 1；Breather pipe 4-1 is sleeved on the ventilation guide pin bushing 2-3, interior connecting plate 2-2 and logical liquid
The part that guide pin bushing 2-1 grows ventilation guide pin bushing 2-3 is stretched into breather pipe 4-1, and breather pipe 4-1 both ends pass through the first clip 3 respectively
Tighten on ventilation guide pin bushing 2-3 and fill adapter 6, the gas outlet 6-2 set around guide shell 6-1 offered on fill adapter 6,
Referring to Fig. 3；The gas outlet 6-2 of fill adapter 6 pass sequentially through breather pipe 4-1, connecting plate 2-2 steam vent 2-21 in connecting seat 2,
Ventilation guide pin bushing 2-3 connects to form venting channels with urea tank 1, and venting channels and logical liquid passage are mutually isolated.
During filling, urea enters fluid-through tube 4-2 from the guide shell 6-1 of fill adapter 6, and the logical liquid for flowing to connecting seat 2 is led
2-1 is covered, finally flows into urea tank 1；Air in urea tank 1 connecting plate 2-2, warp out of connecting seat 2 ventilation guide pin bushing 2-3 flow directions
The steam vent 2-21 crossed on interior connecting plate 2-2 flows into breather pipe 4-1, is discharged into greatly eventually through the gas outlet 6-2 of fill adapter 6
Gas.Pass through two different passages into the urea liquid of urea tank 1 and the air discharged from urea tank 1 during filling, eliminate
The gas-flow resistance of filling urea liquid, thus the purpose quickly filled can be reached, while be not in urea overflows when filling
The phenomenon of stream, reduce the waste of urea.
Claims (5)
1. a kind of urea loading system, includes the filler pipe of connection urea tank, the other end of the filler pipe is connected with filling and connect
Head, it is characterised in that：Connecting seat is installed, the connecting seat sets logical liquid guide pin bushing and exhaust at the filler of the urea tank
Hole；The filler pipe is connected with the connecting seat, and the filler pipe includes breather pipe and is arranged in the breather pipe
Fluid-through tube, the fluid-through tube are connected by the logical liquid guide pin bushing with the urea tank, the breather pipe by steam vent with it is described
Urea tank connects；The fill adapter is provided with gas outlet and connects the guide shell of the fluid-through tube, the gas outlet with it is described
Breather pipe connects.
2. urea loading system according to claim 1, it is characterised in that：The connecting seat includes inserting the urea tank
Ventilation guide pin bushing and the logical liquid guide pin bushing, it is described ventilation guide pin bushing be installed with the outside link plate being connected with the urea tank, institute
State the logical liquid guide pin bushing insertion ventilation guide pin bushing and be connected by interior connecting plate with the ventilation guide pin bushing, opened up on the interior connecting plate
There are multiple steam vents；The breather pipe is sleeved on the ventilation guide pin bushing, and the fluid-through tube is connected with the logical liquid guide pin bushing.
3. urea loading system according to claim 2, it is characterised in that：The outside link plate is welded in the ventilation and led
The middle part of set, the outside link plate are connected by bolt with the urea tank；The length of the logical liquid guide pin bushing is longer than the ventilation
Guide pin bushing, the part that the logical liquid guide pin bushing is grown are stretched into the breather pipe, and the both ends of the breather pipe pass through the first clip respectively
Tighten on the ventilation guide pin bushing and the fill adapter.
4. urea loading system according to claim 3, it is characterised in that：The interior connecting plate is welded in the ventilation and led
On the outer wall of the port of set and the logical liquid guide pin bushing, one end of the fluid-through tube is inserted the logical liquid guide pin bushing and led with the logical liquid
Set interference fit, the other end are tightened on the guide shell by the second clip.
5. the urea loading system according to any one of Claims 1-4 claim, it is characterised in that：The fluid-through tube
For rubber tube, the breather pipe is bellows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628696.6A CN107575284A (en) | 2017-07-28 | 2017-07-28 | Urea loading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628696.6A CN107575284A (en) | 2017-07-28 | 2017-07-28 | Urea loading system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107575284A true CN107575284A (en) | 2018-01-12 |
Family
ID=61034156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710628696.6A Pending CN107575284A (en) | 2017-07-28 | 2017-07-28 | Urea loading system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107575284A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939187A (en) * | 2014-03-27 | 2014-07-23 | 安徽江淮汽车股份有限公司 | Urea tank of light bus |
| KR101567229B1 (en) * | 2014-07-07 | 2015-11-09 | 현대자동차주식회사 | Urea Filler Neck Prevented Urea Overflow, Urea Tank and Outside Filler Neck type Urea Selective Catalytic Reduction System |
| CN204961039U (en) * | 2015-09-17 | 2016-01-13 | 北汽福田汽车股份有限公司 | Automobile -used urea filling structure and urea tank , vehicle |
| CN206190367U (en) * | 2016-10-31 | 2017-05-24 | 凯龙高科技股份有限公司 | Disconnect -type urea solution tank device of maring |
| CN206205960U (en) * | 2016-09-14 | 2017-05-31 | 东莞正扬电子机械有限公司 | The urea box for being easily installed and filling |
-
2017
- 2017-07-28 CN CN201710628696.6A patent/CN107575284A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939187A (en) * | 2014-03-27 | 2014-07-23 | 安徽江淮汽车股份有限公司 | Urea tank of light bus |
| KR101567229B1 (en) * | 2014-07-07 | 2015-11-09 | 현대자동차주식회사 | Urea Filler Neck Prevented Urea Overflow, Urea Tank and Outside Filler Neck type Urea Selective Catalytic Reduction System |
| CN204961039U (en) * | 2015-09-17 | 2016-01-13 | 北汽福田汽车股份有限公司 | Automobile -used urea filling structure and urea tank , vehicle |
| CN206205960U (en) * | 2016-09-14 | 2017-05-31 | 东莞正扬电子机械有限公司 | The urea box for being easily installed and filling |
| CN206190367U (en) * | 2016-10-31 | 2017-05-24 | 凯龙高科技股份有限公司 | Disconnect -type urea solution tank device of maring |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180112 |
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| RJ01 | Rejection of invention patent application after publication |