CN207080267U - Built-in urea feedway - Google Patents
Built-in urea feedway Download PDFInfo
- Publication number
- CN207080267U CN207080267U CN201721003926.1U CN201721003926U CN207080267U CN 207080267 U CN207080267 U CN 207080267U CN 201721003926 U CN201721003926 U CN 201721003926U CN 207080267 U CN207080267 U CN 207080267U
- Authority
- CN
- China
- Prior art keywords
- urea
- built
- feedway
- plug
- filter core
- 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 - Fee Related
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000004202 carbamide Substances 0.000 title claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
A kind of built-in urea feedway, it includes base and the pump group part on the base.The base is provided with out liquid joint, the first plug and the second plug being connected with first plug.The pump group part is connected with second plug to suck the urea liquid of low pressure, and through the urea liquid of high pressure to be gone out to the output of liquid joint after over pressurizeed described in.The built-in urea feedway also includes the cleaner for being removably mounted on the base and being centered around the pump group part periphery.The cleaner includes outside filter core, inner side filter core and the annular housing between the outside filter core and the inner side filter core, wherein first plug is connected with the annular housing.It is arranged such, the utility model is easy to its replacing by setting dismountable cleaner.In addition, by setting outside filter core and inner side filter core, the filter capacity of cleaner is improved.
Description
Technical field
A kind of built-in urea feedway is the utility model is related to, belongs to engine exhaust post-processing technology field.
Background technology
On May 11st, 2016, the Chinese invention patent CN103261607B of bulletin disclosed a kind of built-in urea supply dress
Put, it includes base and the filter being laid on the base.But this design is on the one hand because filter can not be torn open
Unload, can only subsequently be changed and only filter can not be changed with regard to whole urea supply device, replacement cost is higher；Separately
On the one hand, because filter is laid on the base, therefore the filter capacity of filter is limited to the volume of base, nothing
Method covers the application of small size.
Therefore, it is necessary to a kind of new solution is provided to solve above-mentioned technical barrier.
Utility model content
The purpose of this utility model be to provide a kind of filter capacity is relatively strong and cleaner removably built-in urea supplies
To device.
To achieve the above object, the utility model adopts the following technical scheme that：A kind of built-in urea feedway, it is wrapped
Include base and the pump group part on the base, the base is provided with out liquid joint, the first plug and with described
The second plug that one plug is connected, the pump group part is connected to suck the urea liquid of low pressure with second plug, and is passed through
The urea liquid of high pressure is gone out to the output of liquid joint after over pressurizeed described in；The built-in urea feedway also includes removable
It is arranged on the base with unloading and is centered around the cleaner of pump group part periphery, the cleaner includes outside filter core, interior
Side filter core and the annular housing between the outside filter core and the inner side filter core, wherein first plug with it is described
Annular housing is connected.
As the further improved technical scheme of the utility model, the cleaner includes supporting the outside filter core and institute
The skeleton of inner side filter core is stated, the skeleton includes closing the roof at the top of the annular housing and positioned at the annular housing
Bottom bottom wall.
As the further improved technical scheme of the utility model, the bottom wall is provided with what is be engaged with first plug
Perforate.
As the further improved technical scheme of the utility model, the skeleton also includes the inwardly projecting inner side filter core
Raised line, the perforate is located on the raised line.
As the further improved technical scheme of the utility model, the base is provided with to install the peace of the cleaner
Dress face, the bottom wall supports are on the mounting surface.
As the further improved technical scheme of the utility model, the pump group part be provided with it is described go out liquid joint be connected
Bypass path, with when outlet pressure is too high by the bypass path open carry out pressure release.
As the further improved technical scheme of the utility model, the base is provided with the mounting flange to stretch out, uses
So that the built-in urea feedway to be attached to the bottom of urea box.
As the further improved technical scheme of the utility model, the first sealing ring is socketed with first plug, with
Seal the perforate；The second sealing ring is socketed with second plug, to be sealed with pump group part.
As the further improved technical scheme of the utility model, the cleaner extends upwardly beyond the pump group part.
Compared to prior art, the utility model is easy to its replacing by setting dismountable cleaner.In addition, pass through
Outside filter core and inner side filter core are set, improve the filter capacity of cleaner.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the built-in urea feedway of the utility model.
Fig. 2 is Fig. 1 top view.
Fig. 3 is Fig. 1 part isometric exploded view.
Fig. 4 is the schematic perspective view of cleaner in Fig. 3.
Fig. 5 is the schematic perspective view of cleaner skeleton in Fig. 4.
Fig. 6 is the sectional axonometric drawing of cleaner in Fig. 4.
Fig. 7 is the diagrammatic cross-section that the built-in urea feedway of the utility model is installed in urea box.
Fig. 8 is that the section that the built-in urea feedway of the utility model is installed in urea box in another angle is illustrated
Figure.
Embodiment
It please join shown in Fig. 1 to Fig. 8, the utility model discloses a kind of built-in urea feedway 100, and it includes base
1st, the pump group part 2 on the base 1 and it is removably mounted on the base 1 and is centered around the pump group part 2
The cleaner 3 of periphery.
The base 1 be provided with out liquid joint 10, the first plug 11 and be connected with first plug 11 second insert
First 12.In the utility model embodiment illustrated, it is described go out liquid joint 10 be located at side, first plug 11 and
Two plugs 12 are located at top surface.The installation that the base 1 is provided with to install the mounting surface 13 of the cleaner 3 and stretch out
Flange 14 is the built-in urea feedway 100 to be attached to the bottom of urea box 200.
The pump group part 2 is connected to suck the urea liquid of low pressure with second plug 12, and afterwards will through over pressurizeed
The urea liquid of high pressure goes out liquid joint 10 described in and is output at nozzle（It is not shown）.It please join shown in Fig. 8, the pump group part 2 is set
Have with it is described go out the bypass path 21 that is connected of liquid joint 10, so that the bypass path 21 is opened into progress when outlet pressure is too high
Pressure release.
The cleaner 3 extends upwardly beyond the pump group part 2.Dismountable cleaner 3 be easy to follow-up maintenance with
Change, save cost.The cleaner 3 include outside filter core 31, inner side filter core 32, the support outside filter core 31 with it is described
The skeleton 33 of inner side filter core 32 and the annular housing 30 between the outside filter core 31 and the inner side filter core 32, wherein
First plug 11 is connected with the annular housing 30.By setting double-deck filter core, the filtering of cleaner 3 can be improved
Ability.The skeleton 33 includes closing the roof 331 at the top of the annular housing 30 and positioned at the annular housing 30
The bottom wall 332 of bottom.It please join shown in Fig. 7, the bottom wall 332 is provided with the perforate 333 being engaged with first plug 11.It is described
The first sealing ring 111 is socketed with first plug 11, to seal the perforate 333；Second is socketed with second plug 12
Sealing ring 121, to be sealed with pump group part 2.The bottom wall 332 is supported on the mounting surface 13.
The skeleton 33 also includes the raised line 34 of the inwardly projecting inner side filter core 32, and the perforate 333 is positioned at described convex
On bar 34.It is arranged such, the width of raised line 34 can not be limited by annular housing 30, so as to be advantageous to the arrangement of perforate 333.
It please join shown in the arrow in Fig. 7 and Fig. 8, the urea liquid in urea box 200 passes through outside filter core 31 and filtered with inner side
Entered after the filtering of core 32 in annular housing 30, pump group part is then transported to by the first plug 11 and the second plug 12
In 2, exported by the pressurization of pump group part 2, then by going out liquid joint 10；The bypass path 21 is opened when outlet pressure is too high
Pressure release is carried out, to realize that pressure is adjusted.
In addition, above example is merely to illustrate the utility model and not limits the technical side described by the utility model
Case, understanding of this description should be based on persons of ordinary skill in the field, although this specification is with reference to above-mentioned
Embodiment has been carried out being described in detail to the utility model, still, it will be understood by those within the art that, affiliated skill
Still the utility model can be modified by the technical staff in art field or equivalent substitution, and all do not depart from this practicality newly
The technical scheme of the spirit and scope of type and its improvement, it all should cover in right of the present utility model.
Claims (9)
1. a kind of built-in urea feedway, it includes base and the pump group part on the base, and its feature exists
In：The base is provided with out liquid joint, the first plug and the second plug being connected with first plug, the pump group part
Connected with second plug to suck the urea liquid of low pressure, and through going out the urea liquid of high pressure described in after over pressurizeed
Liquid joint exports；The built-in urea feedway also includes being removably mounted on the base and being centered around the pump
Component periphery cleaner, the cleaner include outside filter core, inner side filter core and positioned at the outside filter core with it is described interior
Annular housing between the filter core of side, wherein first plug is connected with the annular housing.
2. built-in urea feedway as claimed in claim 1, it is characterised in that：The cleaner includes supporting outside described
The skeleton of side filter core and the inner side filter core, the skeleton include closing the roof at the top of the annular housing and positioned at institute
State the bottom wall of the bottom of annular housing.
3. built-in urea feedway as claimed in claim 2, it is characterised in that：The bottom wall is provided with to be inserted with described first
The perforate that head is engaged.
4. built-in urea feedway as claimed in claim 3, it is characterised in that：The skeleton also includes inwardly projecting institute
The raised line of inner side filter core is stated, the perforate is located on the raised line.
5. built-in urea feedway as claimed in claim 2, it is characterised in that：The base is provided with described to install
The mounting surface of cleaner, the bottom wall supports are on the mounting surface.
6. built-in urea feedway as claimed in claim 1, it is characterised in that：The pump group part be provided with it is described go out liquid
The bypass path that joint is connected, pressure release is carried out the bypass path is opened when outlet pressure is too high.
7. built-in urea feedway as claimed in claim 1, it is characterised in that：The base is provided with the peace to stretch out
Flange is filled, the built-in urea feedway to be attached to the bottom of urea box.
8. built-in urea feedway as claimed in claim 3, it is characterised in that：First is socketed with first plug
Sealing ring, to seal the perforate；The second sealing ring is socketed with second plug, to be sealed with pump group part.
9. built-in urea feedway as claimed in claim 1, it is characterised in that：The cleaner extends upwardly beyond institute
State pump group part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721003926.1U CN207080267U (en) | 2017-08-11 | 2017-08-11 | Built-in urea feedway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721003926.1U CN207080267U (en) | 2017-08-11 | 2017-08-11 | Built-in urea feedway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207080267U true CN207080267U (en) | 2018-03-09 |
Family
ID=61419664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721003926.1U Expired - Fee Related CN207080267U (en) | 2017-08-11 | 2017-08-11 | Built-in urea feedway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207080267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387214A (en) * | 2017-08-11 | 2017-11-24 | 天纳克（苏州）排放系统有限公司 | Built-in urea feedway |
-
2017
- 2017-08-11 CN CN201721003926.1U patent/CN207080267U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387214A (en) * | 2017-08-11 | 2017-11-24 | 天纳克（苏州）排放系统有限公司 | Built-in urea feedway |
| WO2019028944A1 (en) * | 2017-08-11 | 2019-02-14 | 天纳克（苏州）排放系统有限公司 | Built-in urea supply device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180309 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |