CN214715703U - Elbow liquid-cooled electronic control urea solution ejector - Google Patents
Elbow liquid-cooled electronic control urea solution ejector Download PDFInfo
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- CN214715703U CN214715703U CN202120549653.0U CN202120549653U CN214715703U CN 214715703 U CN214715703 U CN 214715703U CN 202120549653 U CN202120549653 U CN 202120549653U CN 214715703 U CN214715703 U CN 214715703U
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- urea solution
- metering valve
- mounting seat
- elbow
- electromagnetic metering
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Abstract
The utility model discloses an automatically controlled urea solution sprayer of elbow liquid cooling formula, include: the mounting seat is internally provided with an electromagnetic metering valve, and the lower part of the electromagnetic metering valve is surrounded by a cooling channel; and the liquid inlet pipe joint is an elbow liquid inlet pipe joint, is connected to the mounting seat and is communicated with the electromagnetic metering valve. The utility model discloses size structure is compacter, and is little to the installation space requirement, and the inlet tube connects the installation orientation nimble, but the multiple motorcycle type of adaptation.
Description
Technical Field
The utility model relates to a urea sprayer technical field. More specifically, the utility model relates to an automatically controlled urea solution sprayer of elbow liquid cooling formula.
Background
When a vehicle is treated with exhaust gas using Selective Catalytic Reduction (SCR), a urea solution injector is generally used. Because the temperature is higher when automobile exhaust is just discharged, an electromagnetic metering valve in the urea solution injector can be in contact with high-temperature and high-speed gas for a long time, so that the urea solution injector needs to be cooled, and the electromagnetic metering valve is protected from being broken down due to overhigh temperature of the exhaust. The cooling effect of the compressed air is often difficult to meet the related technical requirements, and although the cooling effect can be optimized by using the cooling liquid for cooling, the liquid-cooled urea solution injector is limited in use due to the fact that the volume of the product is too large and the installation space of a vehicle is limited.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an elbow liquid-cooled electronically controlled urea solution injector, comprising:
the mounting seat is internally provided with an electromagnetic metering valve; a cooling channel is arranged in the lower end of the mounting seat, and the lower part of the electromagnetic metering valve is surrounded by the cooling channel; and the liquid inlet pipe joint is an elbow liquid inlet pipe joint, is connected to the mounting seat and is communicated with the electromagnetic metering valve.
Preferably, still include coolant liquid inlet pipe joint and coolant liquid outlet pipe joint, coolant liquid inlet pipe joint with coolant liquid outlet pipe joint all connects on the mount pad, and respectively with cooling channel both ends intercommunication.
Preferably, the mounting seat further comprises a sealing gasket, and the sealing gasket is connected to the bottom of the mounting seat.
Preferably, the bottom of the sealing gasket is provided with a through hole, the periphery of the through hole extends inwards to form a boss, and the boss is clamped between the bottom of the mounting seat and the electromagnetic metering valve; an elastic gasket is further arranged on the sealing gasket.
Preferably, a stepped channel with the diameter gradually increasing from bottom to top is arranged in the mounting seat; the electromagnetic metering valve is disposed within the passage.
Preferably, two circular arc grooves are symmetrically arranged at the upper end of the outer wall of the mounting seat.
Preferably, the liquid inlet pipe joint is connected to the mounting seat through a bolt, and a sealing ring is arranged at the joint of the liquid inlet pipe joint and the electromagnetic metering valve.
Preferably, the cooling liquid inlet pipe joint and the cooling liquid outlet pipe joint are arranged at an included angle with the side wall of the mounting seat.
The utility model discloses at least, include following beneficial effect:
1. the utility model discloses urea solution feed liquor coupling adopts the elbow design, and the feed liquor coupling can adjust the installation orientation in a flexible way as required, and is less to the installation space requirement, but the more motorcycle types of adaptation.
2. The utility model discloses well mount pad outer wall upper end symmetry is provided with two convex recesses, and more easy to assemble and dismantlement feed liquor coupling when optimizing urea solution sprayer structure size.
3. The utility model discloses be the contained angle setting between well coolant liquid inlet pipe connects and coolant liquid outlet pipe connects and the mount pad lateral wall, not only make the structure of urea solution sprayer compacter, more convenient the dismantlement moreover.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a urea solution injector according to an embodiment of the present invention;
FIG. 2 is a front sectional view of the urea solution injector according to the above embodiment of the present invention;
FIG. 3 is a top sectional view of the urea solution injector according to the above embodiment of the present invention;
fig. 4 is a schematic structural diagram of the sealing gasket according to the above embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-4, the utility model provides an automatically controlled urea solution sprayer of elbow liquid cooling formula, include:
a mounting seat 6 in which the electromagnetic metering valve 4 is arranged; a cooling channel 3 is arranged in the lower end of the mounting seat 6, and the lower part of the electromagnetic metering valve is surrounded by the cooling channel 3;
and the liquid inlet pipe joint 1 is an elbow liquid inlet pipe joint, and the liquid inlet pipe joint 1 is connected to the mounting seat 6 and is communicated with the electromagnetic metering valve 4.
In this solution, the urea solution enters the electromagnetic metering valve 4 disposed in the mounting seat 6 from the liquid inlet pipe joint 1 through an external hydraulic pump, and then the amount of the urea solution is accurately metered by the electromagnetic metering valve 4. The cooling liquid cools the electromagnetic metering valve through the cooling channel 3. The liquid inlet pipe joint 1 adopts an elbow design, the orientation of the elbow can be flexibly selected according to installation requirements, the requirement on installation space is smaller, and the requirements of more customers can be met.
The utility model discloses carry out accurate calculation and dynamic simulation to the urea sprayer cooling through technical analysis, through various type test verification again, under the prerequisite that accords with national standard and each engine plant enterprise standard, optimized the appearance size of sprayer, cooling channel 3 with the diameter of feed liquor coupling 1 the length of feed liquor coupling 1 highly all dwindle on prior art's basis of mount pad 6 for size structure is compacter, has compensatied the shortcoming that like product is too big, needs more installation space.
In another embodiment, the urea solution injector further comprises a cooling liquid inlet pipe joint 8 and a cooling liquid outlet pipe joint 9, wherein the cooling liquid inlet pipe joint 8 and the cooling liquid outlet pipe joint 9 are both connected to the mounting seat 6 and are respectively communicated with two ends of the cooling channel 3. The coolant liquid is followed coolant liquid inlet pipe connects 8 entering urea solution sprayer, process cooling channel 3 cools off the urea solution sprayer, and follow the coolant liquid outlet pipe connects 9 outflow urea solution sprayers to realize coolant liquid cyclic utilization.
In another embodiment, the device further comprises a sealing gasket 5, and the sealing gasket 5 is connected to the bottom of the mounting seat. The seal between the bottom and the electromagnetic metering valve 4 is performed by the seal gasket 5.
In another embodiment, the bottom of the sealing gasket 5 is provided with a through hole, the periphery of the through hole extends inwards to form a boss 51, and the boss 51 is clamped between the bottom of the mounting seat 6 and the electromagnetic metering valve 4; the sealing gasket 5 is also provided with an elastic gasket 52. The boss 51 seals the space between the bottom of the mounting seat 6 and the electromagnetic metering valve 4, so that the sprayed urea solution is prevented from entering the inside of the mounting seat 6. The elastic washer 52 may serve as a shock absorbing function when the urea solution is injected.
In another embodiment, a stepped channel with a diameter gradually increasing from bottom to top is arranged inside the mounting seat 6; the electromagnetic metering valve 4 is disposed within the passage. With the increase of the diameter of the channel, a gap is generated between the upper part of the electromagnetic metering valve 4 and the inner wall of the mounting seat 6, so that the heat absorbed at the bottom of the mounting seat 6 can be isolated from being transferred to the electromagnetic metering valve 4 when being transferred upwards.
In another embodiment, two circular arc grooves are symmetrically arranged at the upper end of the outer wall of the mounting seat 6. The inside cooling channel that does not set up of 6 upper ends of mount pad, consequently 6 outer wall upper ends of mount pad symmetry are provided with two convex recesses, both can optimize urea solution sprayer structure size, and its space of optimizing out also more easy to assemble and dismantle inlet coupling 1.
In another embodiment, the liquid inlet pipe joint 1 is connected to the mounting seat 6 through a bolt, and a sealing ring 7 is arranged at the joint of the liquid inlet pipe joint 1 and the electromagnetic metering valve 4. During installation, after the orientation of the liquid inlet pipe joint 1 is adjusted as required, the liquid inlet pipe joint is connected with the installation seat 6 through a bolt.
In another embodiment, the cooling liquid inlet pipe joint 8 and the cooling liquid outlet pipe joint 9 are arranged at an included angle with the side wall of the mounting seat 6. By adopting the technical scheme, the structure of the urea solution injector is more compact, and the urea solution injector is more convenient to disassemble.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (8)
1. An elbow liquid-cooled electronically controlled urea solution injector, comprising:
the mounting seat is internally provided with an electromagnetic metering valve; a cooling channel is arranged in the lower end of the mounting seat, and the lower part of the electromagnetic metering valve is surrounded by the cooling channel;
and the liquid inlet pipe joint is an elbow liquid inlet pipe joint, is connected to the mounting seat and is communicated with the electromagnetic metering valve.
2. The elbow liquid-cooled electronically controlled urea solution injector of claim 1, further comprising a coolant inlet coupling and a coolant outlet coupling, both said coolant inlet coupling and said coolant outlet coupling being attached to said mounting block and communicating with both ends of said cooling channel, respectively.
3. The elbow liquid cooled electronically controlled urea solution injector of claim 1, further comprising a gasket coupled to the bottom of the mounting base.
4. The elbow liquid-cooled electronically controlled urea solution injector of claim 3, wherein the bottom of the gasket is provided with a through hole, the periphery of the through hole extends inward to form a boss, and the boss is clamped between the bottom of the mounting seat and the electromagnetic metering valve; an elastic gasket is further arranged on the sealing gasket.
5. The elbow liquid-cooled electronically controlled urea solution injector of claim 1, wherein a stepped passageway of gradually increasing diameter is provided within said mounting seat, said electromagnetic metering valve being disposed within said passageway.
6. The elbow liquid-cooled electronically controlled urea solution injector of claim 1, wherein two circular arc shaped grooves are symmetrically disposed on the upper end of the outer wall of the mounting seat.
7. The elbow liquid-cooled electronically controlled urea solution injector of claim 1, wherein said inlet fitting is bolted to said mounting block, and a gasket is provided at the junction of said inlet fitting and said electromagnetic metering valve.
8. The elbow liquid-cooled electronically controlled urea solution injector of claim 2, wherein said coolant inlet fitting and said coolant outlet fitting are angled with respect to said mounting block side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120549653.0U CN214715703U (en) | 2021-03-17 | 2021-03-17 | Elbow liquid-cooled electronic control urea solution ejector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120549653.0U CN214715703U (en) | 2021-03-17 | 2021-03-17 | Elbow liquid-cooled electronic control urea solution ejector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214715703U true CN214715703U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120549653.0U Active CN214715703U (en) | 2021-03-17 | 2021-03-17 | Elbow liquid-cooled electronic control urea solution ejector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214715703U (en) |
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2021
- 2021-03-17 CN CN202120549653.0U patent/CN214715703U/en active Active
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