CN205532798U - Integral urea spray nozzle device - Google Patents
Integral urea spray nozzle device Download PDFInfo
- Publication number
- CN205532798U CN205532798U CN201620075573.5U CN201620075573U CN205532798U CN 205532798 U CN205532798 U CN 205532798U CN 201620075573 U CN201620075573 U CN 201620075573U CN 205532798 U CN205532798 U CN 205532798U
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- CN
- China
- Prior art keywords
- urea
- nozzle
- vestlet
- urea nozzle
- heat insulation
- Prior art date
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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
- 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)
- Thermal Insulation (AREA)
Abstract
The utility model discloses an integral urea spray nozzle device, including the connector, connect snap ring, urea conveyer pipe and urea nozzle, the injection end of urea nozzle is equipped with outside bellied cambered surface, the urea conveyer pipe sets up with the urea nozzle is perpendicular, and is equipped with transition arc tube between the two, urea conveyer pipe periphery cover is equipped with the pipe at a distance from heat exchanger, separates heat exchanger pipe and goes up fixed cover and be equipped with the mount pad, is equipped with the locating pin on the mount pad, separates heat exchanger and manages the one end of keeping away from the connector and seal up the knot and be covered with the end cover at a distance from heat exchanger, having set up the cambered surface on the urea nozzle, having made urea solution spray the back, unable terminal surface with the urea injector blower forms the plane contact, but forms the point contact, has avoided urea solution to spray the back, forms the deposit on arc shower nozzle surface, has consequently stopped the phenomenon that causes the jet orifice to block up, and the urea nozzle locates at a distance from the side of heat exchanger pipe, has reduced to separate the heat exchanger pipe to automobile exhaust's resistance, and has avoided ureal effectively and vaporized in advance, has guaranteed the quality of tail gas treatment.
Description
Technical field
The utility model relates to a kind of automobile SCR system equipment technical field, particularly relates to a kind of monoblock type
Urea nozzle device.
Background technology
In the SCR system of automobile, urea nozzle being positioned on gas exhaust piping, it is right to be used for eliminating in tail gas
The material that atmospheric environment is harmful.Owing to the temperature in gas exhaust piping is the highest, and too high temperature can make urea tube
Urea in road occurs to early vaporization, thus affects the treatment effect of tail gas.Heat insulation vestlet of the prior art
Length is the shortest, makes the most exposed outside with heat insulation vestlet of most of structure of urea conveying pipe, causes car tail
Gas discharge mixes uneven with urea nozzle, slowly forms accumulation at nozzle head, forms urea hole plug,
Cause automobile SCR system to lose efficacy, have impact on the quality of vent gas treatment.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of good heat-insulation effect, is possible to prevent urea to carry
A kind of monoblock type urea nozzle device of front vaporization.
For solving above-mentioned technical problem, the technical solution of the utility model is: a kind of monoblock type urea nozzle dress
Putting, including the connector for being connected with automobile urea line, the periphery of described connector is provided with the connection of projection
Snap ring, described connector end is fixedly connected with urea conveying pipe, and the end correspondence of described urea conveying pipe sets
Having urea nozzle, the ejection end of described urea nozzle is provided with the cambered surface of outwardly convex, described urea conveying pipe with
Described urea nozzle is vertically arranged, and is provided with for reducing between described urea conveying pipe and described urea nozzle
The transition arcs pipe of urea transporting resistance, described urea conveying pipe periphery is set with heat insulation vestlet, and described urea sprays
Mouth is flush-mounted on the sidewall of described heat insulation vestlet, and on described heat insulation vestlet, fixed cover is equipped with mounting seat, described peace
Dress seat is provided with alignment pin, and described heat insulation vestlet is covered with heat shield end away from one end seal buckle of described connector
Lid.
As preferred technical scheme, described urea conveying pipe includes fixing, with described connector, the straight tube being connected
Transportation section, fixes with described straight tube transportation section and is connected with inclined tube transportation section, and institute is located in described inclined tube transportation section
State between straight tube transportation section and transition arcs pipe.
As preferred technical scheme, the angle of inclination of described inclined tube transportation section is set to 5～40 °.
As preferred technical scheme, described urea nozzle periphery is set with nozzle support seat, and described nozzle props up
Support seat is fixing to be flush-mounted in described heat insulation vestlet.
As preferred technical scheme, it is fixed that the described heat insulation vestlet of described nozzle support seat periphery is provided with installation
Position annular groove, the section of described installation positioning ring groove is semicircular structure.
As preferred technical scheme, described heat insulation vestlet is provided with tapered circle towards one end of described connector
Platform shape installs transition face.
As the improvement to technique scheme, described connector is set to SAM joint.
Owing to have employed technique scheme, a kind of monoblock type urea nozzle device, including for urinating with automobile
The connector that element line connects, the periphery of described connector is provided with the Joining clasp of projection, described connector end
Being fixedly connected with urea conveying pipe, the end of described urea conveying pipe is correspondingly provided with urea nozzle, described urea
The ejection end of nozzle is provided with the cambered surface of outwardly convex, and described urea conveying pipe is vertically arranged with described urea nozzle,
And it is provided with the transition arcs for reducing urea transporting resistance between described urea conveying pipe and described urea nozzle
Pipe, described urea conveying pipe periphery is set with heat insulation vestlet, and described urea nozzle is flush-mounted in described heat insulation vestlet
Sidewall on, on described heat insulation vestlet, fixed cover is equipped with mounting seat, and described mounting seat is provided with alignment pin, institute
State heat insulation vestlet and be covered with heat shield end cap away from one end seal buckle of described connector；Of the present utility model useful
Effect is: be provided with cambered surface in urea nozzle, after making urea liquid injection, it is impossible to urea jet blower
End face forms plane contact, but forms point cantact, it is to avoid after urea liquid injection, at arc shower nozzle table
Face forms deposition, has therefore stopped the phenomenon causing spray-hole to block, and urea nozzle is located at heat insulation vestlet
Side, decreases the heat insulation vestlet resistance to vehicle exhaust, and efficiently avoid the vaporization in advance of urea,
Improve the carburation by spraying effect of urea, and then ensure that the quality of vent gas treatment.
Accompanying drawing explanation
The following drawings is only intended in schematically illustrating the utility model and explaining, does not limit this practicality new
The scope of type.Wherein:
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is A-A structural representation after profile rotated ninety degrees in Fig. 1；
Fig. 3 is the structure for amplifying schematic diagram in Fig. 2 at A；
Fig. 4 is the perspective view of the utility model embodiment；
In figure: 1-connector；2-Joining clasp；3-urea conveying pipe；31-straight tube transportation section；32-inclined tube
Transportation section；4-urea nozzle；5-transition arcs pipe；The heat insulation vestlet of 6-；7-mounting seat；8-alignment pin；9-every
Hot cover end cap；10-nozzle support seat；11-installs positioning ring groove；12-installs transition face.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the utility model is expanded on further.In the following detailed description,
Only by the way of explanation, describe some one exemplary embodiment of the present utility model.Undoubtedly, this area
Those of ordinary skill will be consequently realised that, in the case of without departing from spirit and scope of the present utility model, can
By with various different in the way of described embodiment is modified.Therefore, accompanying drawing and being described in substantially
It is illustrative rather than for limiting scope of the claims.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of monoblock type urea nozzle device, including for vapour
The connector 1 that car urea line connects, described connector 1 is set to SAM joint, connects quickly, simple to operate.
The periphery of described connector 1 is provided with the Joining clasp 2 of projection, the setting of described Joining clasp 2, makes connection more
Add firmly, connect location faster.Described connector 1 end is fixedly connected with urea conveying pipe 3, described urea
The end of conveying pipe 3 is correspondingly provided with urea nozzle 4, and the ejection end of described urea nozzle 4 is provided with outwardly convex
Cambered surface, when urea sprays, reduces the contact area of urea jet face and described urea nozzle 4, helps
Block because of urea crystals in preventing described urea nozzle 4.
The described urea conveying pipe 3 of the present embodiment is vertically arranged with described urea nozzle 4, and described urea is defeated
Send the transition arcs pipe 5 being provided with between pipe 3 and described urea nozzle 4 for reducing urea transporting resistance, described mistake
Crossing the setting of arc pipe 5, the flow direction of urea can be made to change rounder and more smooth, it is right to prevent because conveying turns to
The conveying of urea forms bigger resistance, it is to avoid transporting velocity and flow on urea produce impact, thus ensure
The treatment effect of vehicle exhaust.
Described urea conveying pipe 3 includes and the described fixing straight tube transportation section 31 being connected of connector 1, with described
Straight tube transportation section 31 is fixing is connected with inclined tube transportation section 32, and described straight tube is located in described inclined tube transportation section 32
Between transportation section 31 and transition arcs pipe 5.The setting of described inclined tube transportation section 32, is more conducive to reduce urea
The resistance that conveying turns to, makes urea conveying more smooth.The angle of inclination of described inclined tube transportation section 32 is set to
5～40 °.
Described urea conveying pipe 3 periphery is set with heat insulation vestlet 6, and described urea nozzle 4 is flush-mounted in described heat insulation
On the sidewall of vestlet 6, on described heat insulation vestlet 6, fixed cover is provided with equipped with mounting seat 7, described mounting seat 7
Alignment pin 8, described heat insulation vestlet 6 is covered with heat shield end cap 9 away from one end seal buckle of described connector 1.
The length of the described heat insulation vestlet 6 of the present embodiment is bigger, more preferable to the effect of heat insulation of described urea conveying pipe 3,
The effect preventing urea from vaporizing in advance becomes apparent from.
Described urea nozzle 4 periphery is set with nozzle support seat 10, and described nozzle support seat 10 is fixing to be flush-mounted in
In described heat insulation vestlet 6, the installation stationarity making described urea nozzle 4 is good, prevents because urea flowing turns to
Described urea nozzle 4 is produced stress, and makes described urea nozzle 4 form displacement.Described nozzle support seat
The described heat insulation vestlet 6 of 10 peripheries is provided with installation positioning ring groove 11, breaking of described installation positioning ring groove 11
Face is semicircular structure, installs location more accurate.
Described heat insulation vestlet 6 is provided with tapered truncated cone-shaped installation transition face 12 towards one end of described connector 1,
To adapt to install the space requirement of stringing.
The utility model is provided with cambered surface in urea nozzle 4, after making urea liquid injection, it is impossible to urea
The end face of jet blower forms plane contact, but forms point cantact, it is to avoid after urea liquid injection, at arc
Shape nozzle surface forms deposition, has therefore stopped the phenomenon causing spray-hole to block, and urea nozzle 4 is located at
The side of heat insulation vestlet 6, decreases the heat insulation vestlet 6 resistance to vehicle exhaust, and efficiently avoid urine
The vaporization in advance of element, improves the carburation by spraying effect of urea, and then ensure that the quality of vent gas treatment.
Of the present utility model general principle, principal character and of the present utility model advantage have more than been shown and described.
Skilled person will appreciate that of the industry, the utility model is not restricted to the described embodiments, above-described embodiment
With specification described in principle of the present utility model is simply described, without departing from the utility model spirit and model
On the premise of enclosing, the utility model also has various changes and modifications, and these changes and improvements both fall within requirement
In the range of the utility model of protection.The utility model claim scope by appending claims and
Equivalent defines.
Claims (7)
1. a monoblock type urea nozzle device, including the connector for being connected with automobile urea line, described
The periphery of connector is provided with the Joining clasp of projection, and described connector end is fixedly connected with urea conveying pipe,
The end of described urea conveying pipe is correspondingly provided with urea nozzle, it is characterised in that: the injection of described urea nozzle
End is provided with the cambered surface of outwardly convex, and described urea conveying pipe is vertically arranged with described urea nozzle, and described urine
It is provided with the transition arcs pipe for reducing urea transporting resistance, described urine between element conveying pipe and described urea nozzle
Element conveying pipe periphery is set with heat insulation vestlet, and described urea nozzle is flush-mounted on the sidewall of described heat insulation vestlet,
On described heat insulation vestlet, fixed cover is equipped with mounting seat, and described mounting seat is provided with alignment pin, described heat insulation vestlet
One end seal buckle away from described connector is covered with heat shield end cap.
2. a kind of monoblock type urea nozzle device as claimed in claim 1, it is characterised in that: described urea
Conveying pipe includes fixing the straight tube transportation section being connected with described connector, fixes with described straight tube transportation section and is connected
Being provided with inclined tube transportation section, described inclined tube transportation section is located between described straight tube transportation section and transition arcs pipe.
3. a kind of monoblock type urea nozzle device as claimed in claim 2, it is characterised in that: described inclined tube
The angle of inclination of transportation section is set to 5～40 °.
4. a kind of monoblock type urea nozzle device as claimed in claim 1, it is characterised in that: described urea
Nozzle periphery is set with nozzle support seat, and described nozzle support seat is fixing to be flush-mounted in described heat insulation vestlet.
5. a kind of monoblock type urea nozzle device as claimed in claim 4, it is characterised in that: described nozzle
The described heat insulation vestlet supporting seat periphery is provided with installation positioning ring groove, and the section of described installation positioning ring groove is
Semicircular structure.
6. a kind of monoblock type urea nozzle device as described in claim 1 to 5 any claim, it is special
Levy and be: described heat insulation vestlet is provided with tapered truncated cone-shaped installation transition face towards one end of described connector.
7. a kind of monoblock type urea nozzle device as claimed in claim 6, it is characterised in that: described connection
Device is set to SAM joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620075573.5U CN205532798U (en) | 2016-01-26 | 2016-01-26 | Integral urea spray nozzle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620075573.5U CN205532798U (en) | 2016-01-26 | 2016-01-26 | Integral urea spray nozzle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205532798U true CN205532798U (en) | 2016-08-31 |
Family
ID=56769795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620075573.5U Active CN205532798U (en) | 2016-01-26 | 2016-01-26 | Integral urea spray nozzle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205532798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150625A (en) * | 2016-08-26 | 2016-11-23 | 广西玉柴机器股份有限公司 | A kind of urea nozzle of band heat shield |
-
2016
- 2016-01-26 CN CN201620075573.5U patent/CN205532798U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150625A (en) * | 2016-08-26 | 2016-11-23 | 广西玉柴机器股份有限公司 | A kind of urea nozzle of band heat shield |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |