CN220815796U - Urea nozzle for light truck - Google Patents
Urea nozzle for light truck Download PDFInfo
- Publication number
- CN220815796U CN220815796U CN202321959329.1U CN202321959329U CN220815796U CN 220815796 U CN220815796 U CN 220815796U CN 202321959329 U CN202321959329 U CN 202321959329U CN 220815796 U CN220815796 U CN 220815796U
- Authority
- CN
- China
- Prior art keywords
- yoke
- tube
- front long
- nozzle
- urea
- 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.)
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000004202 carbamide Substances 0.000 title claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 9
- 239000010439 graphite Substances 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 15
- 238000006722 reduction reaction Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 6
- 239000011148 porous material Substances 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model relates to the field of urea nozzles, in particular to a urea nozzle for a light truck, which comprises a nozzle core, wherein a yoke pipe is arranged in the nozzle core, a coil framework is arranged outside the yoke pipe, a yoke shell is arranged outside the coil framework, and a positioning ring is arranged at the top of the yoke shell; a front long tube is arranged between the yoke tube and the coil framework, a valve rod is arranged in the front long tube, a steel ball is arranged at the top of the valve rod, a valve seat is wrapped outside the steel ball, a microporous sheet is arranged on the top surface of the front long tube, and a valve seat gasket is arranged between the microporous sheet and the valve seat. According to the utility model, the coil framework in the yoke shell is electrified and generates a magnetic field, the spring pin moves downwards in the yoke tube under the action of the magnetic field, the valve rod and the steel ball are driven to move downwards when the spring pin moves downwards, the microporous sheet is opened, urea solution is stably sprayed out from the front long tube and the rear tube, meanwhile, the assembly can be more simply and conveniently carried out through the connecting flange, and the graphite heat insulation gasket is configured, so that the urea solution can well carry out reduction reaction on exhaust.
Description
Technical Field
The utility model relates to the technical field of urea nozzles, in particular to a urea nozzle for a light truck.
Background
The light truck refers to an N2 type vehicle type with the maximum design total mass of not more than 4.5 tons in N type trucks in the vehicle type classification. The vehicle urea (i.e. diesel engine exhaust treatment liquid) is a colorless, transparent and clear liquid, which is used in Europe at the earliest, and is arranged in a urea tank, when nitrogen oxides exist in an exhaust pipe, the urea tank automatically sprays the vehicle urea, and oxidation reduction reaction is carried out between the vehicle urea and the urea in an SCR reaction tank, so that pollution-free nitrogen and water are generated and discharged.
When the light truck is driven, some harmful tail gas can be discharged, so that the harmful gas needs to be degraded, the harmful gas can be converted into harmless gas, but a urea nozzle needs to be installed inside an automobile, the general urea nozzle is difficult to assemble and has higher manufacturing cost, and the efficient operation effect is difficult to achieve, so that the tail gas conversion rate of the light truck is poor, and the environment is polluted.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a urea nozzle for a light truck.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The urea nozzle for the light truck comprises a nozzle core, wherein a yoke pipe is arranged in the nozzle core, a coil framework is arranged outside the yoke pipe, a yoke shell is arranged outside the coil framework, and a positioning ring is arranged at the top of the yoke shell;
A front long tube is arranged between the yoke tube and the coil framework, a valve rod is arranged in the front long tube, a steel ball is arranged at the top of the valve rod, a valve seat is wrapped outside the steel ball, a micro-pore sheet is arranged on the top surface of the front long tube, and a valve seat gasket is arranged between the micro-pore sheet and the valve seat;
the bottom of the yoke tube is connected with the rear tube, and a spring pin is arranged at the joint of the yoke tube and the rear tube;
The bottom of nozzle core is connected with the spout flange seat, is connected with flange on the spout flange seat, and flange's top is provided with the blind flange, and the bottom of spout flange seat is provided with the spout gasket.
In addition, preferably, the bottom side of the coil skeleton is provided with a contact pin, and the outside of the rear tube is provided with a coil housing, and the contact pin passes through the coil housing and is connected with the outside.
In addition, the preferred structure is that the yoke piece is arranged between the yoke pipe and the coil framework, the bottom of the rear pipe is provided with a nozzle core O-shaped ring, and the inner side of the top of the front long pipe is provided with a valve seat.
In addition, the preferred structure is, the outside location of retainer plate is provided with the adapter sleeve, and the top of adapter sleeve is provided with the fixed cover of electronic valve, and the fixed cover of electronic valve is through fixed buckle fixedly connected with feed liquor pipe pressure cap.
In addition, the preferable structure is that the liquid inlet pipe pressure cap is internally connected with a liquid inlet interface, a connecting sleeve is arranged between the flange cover and the electronic valve fixing sleeve, and a graphite heat insulation gasket is arranged between the connecting sleeve and the front long pipe.
The beneficial effects of the utility model are as follows: the electric power is supplied to the coil skeleton in the yoke shell, a magnetic field is generated, the spring pin moves downwards in the yoke tube under the action of the magnetic field, the valve rod and the steel ball are driven to move downwards when the spring pin moves downwards, the microporous sheet is opened, urea solution is stably sprayed out from the front long tube and the rear tube, meanwhile, the assembly can be more conveniently carried out through the connecting flange, and the graphite heat insulation gasket is configured, so that the urea solution can well carry out reduction reaction on exhaust.
Drawings
FIG. 1 is an isometric view of a urea nozzle for a light truck according to the present utility model;
FIG. 2 is a cross-sectional view of a urea nozzle for a light truck according to the present utility model;
FIG. 3 is a schematic view of a nozzle core according to the present utility model;
fig. 4 is a cross-sectional view of a nozzle core according to the present utility model.
In the figure: the device comprises a nozzle gasket 1, a nozzle flange seat 2, a connecting flange 3, a flange cover 4, a connecting sleeve 5, a nozzle core 6, a coil housing 61, a contact pin 62, a nozzle O-shaped ring 63, a rear pipe 64, a spring pin 65, a yoke sheet 66, a yoke pipe 67, a yoke shell 68, a steel ball 69, a valve seat 610, a valve seat gasket 611, a microporous sheet 612, a front long pipe 613, a valve rod 614, a positioning ring 615, a coil framework 616, an electronic valve fixing sleeve 7, a fixing buckle 8, a liquid inlet pipe 9, a liquid inlet port 10 and a graphite heat insulation gasket 11.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a urea nozzle for a light truck comprises a nozzle core 6, wherein a yoke pipe 67 is arranged in the nozzle core 6, a coil framework 616 is arranged outside the yoke pipe 67, a yoke shell 68 is arranged outside the coil framework 616, and a positioning ring 615 is arranged at the top of the yoke shell 68;
A front long tube 613 is arranged between the yoke tube 67 and the coil framework 616, a valve rod 614 is arranged in the front long tube 613, a steel ball 69 is arranged at the top of the valve rod 614, a valve seat 610 is wrapped outside the steel ball 69, a micro-pore sheet 612 is arranged on the top surface of the front long tube 613, and a valve seat gasket 611 is arranged between the micro-pore sheet 612 and the valve seat 610;
The bottom of the yoke tube 67 is connected with the rear tube 64, and a spring pin 65 is arranged at the joint of the yoke tube 67 and the rear tube 64;
The bottom of nozzle core 6 is connected with spout flange seat 2, is connected with flange 3 on the spout flange seat 2, and flange 3's top is provided with flange lid 4, and spout flange seat 2's bottom is provided with spout gasket 1.
Wherein, the bottom side of coil skeleton 616 is provided with contact pin 62, and the outside of back tube 64 is provided with coil shell 61, and contact pin 62 passes coil shell 61 and external connection, is provided with yoke piece 66 between yoke pipe 67 and the coil skeleton 616, and the bottom of back tube 64 is provided with nozzle core O type circle 63, and the top inboard of preceding long tube 613 is provided with disk seat 610.
And, the bottom of nozzle core 6 is connected with spout flange seat 2, is connected with flange 3 on the spout flange seat 2, and flange 3's top is provided with flange lid 4, and spout flange seat 2's bottom is provided with spout gasket 1.
Meanwhile, a connecting sleeve 5 is arranged at the outer position of the positioning ring 615, an electronic valve fixing sleeve 7 is arranged at the top of the connecting sleeve 5, the electronic valve fixing sleeve 7 is fixedly connected with a liquid inlet pipe pressure cap 9 through a fixing buckle 8, and the liquid inlet pipe pressure cap 9 can well install a liquid inlet interface 10.
Moreover, the liquid inlet pipe pressure cap 9 is internally connected with a liquid inlet interface 10, the connecting sleeve 5 is arranged between the flange cover 4 and the electronic valve fixing sleeve 7, the graphite heat insulation gasket 11 is arranged between the connecting sleeve 5 and the front long pipe 613, and the graphite heat insulation gasket 11 can well insulate heat of urea solution.
In the present embodiment, the connection flange 3 at the bottom of the spout flange seat 2 is connected to the urea tank of the light truck, and the coil housing 61 is energized through the coil bobbin 616 in the yoke housing 68, and then the spring pin 65 is driven by a magnetic field generated.
When the nozzle is used, the urea pump pumps urea solution to fill the whole urea pipeline, a specified pressure is established, the urea solution enters the nozzle core 6 through the liquid inlet connector 10, when the contact pin 62 at the side of the coil framework 616 receives a signal, the coil framework 616 in the yoke shell 68 is electrified, a magnetic field is generated, the spring pin 65 moves downwards in the yoke tube 67 under the action of the magnetic field, the valve rod 614 and the steel ball 69 are driven to move downwards when the spring pin 65 moves downwards, the microporous sheet 612 is opened when the steel ball 16 leaves the valve seat 610, and the urea solution is sprayed outwards from the front long tube 613 and the rear tube 64.
When the coil frame 616 is powered off, the magnetic field around the selected frame 616 disappears, and the spring pin 65 moves downwards through the restoring force, so that the valve rod 614 and the steel balls 69 are driven to reset, the valve rod 614 closes the microporous sheet 612, and urea solution stops spraying.
Meanwhile, when the urea nozzle is installed, the urea nozzle can be conveniently installed at the exhaust pipe of the light truck through the connecting flange 3, and the graphite heat insulation gasket 11 can insulate heat, so that urea solution can well reduce exhaust.
In the utility model, the coil framework 616 in the yoke shell 68 is electrified and generates a magnetic field, the spring pin 65 moves downwards in the yoke tube 67 under the action of the magnetic field, the valve rod 614 and the steel ball 69 are driven to move downwards when the spring pin 65 moves downwards, the micro-pore piece 612 is opened, urea solution is stably sprayed out from the front long tube 613 and the rear tube 64, and meanwhile, the assembly can be more simply and conveniently carried out through the connecting flange 3, and the graphite heat insulation gasket 11 is configured, so that the urea solution can well carry out reduction reaction on exhaust gas.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The urea nozzle for the light truck comprises a nozzle core (6) and is characterized in that a yoke pipe (67) is arranged in the nozzle core (6), a coil framework (616) is arranged outside the yoke pipe (67), a yoke shell (68) is arranged outside the coil framework (616), and a positioning ring (615) is arranged at the top of the yoke shell (68);
A front long tube (613) is arranged between the yoke tube (67) and the coil framework (616), a valve rod (614) is arranged in the front long tube (613), a steel ball (69) is arranged at the top of the valve rod (614), a valve seat (610) is wrapped outside the steel ball (69), a micropore sheet (612) is arranged on the top surface of the front long tube (613), and a valve seat gasket (611) is arranged between the micropore sheet (612) and the valve seat (610);
the bottom of the yoke tube (67) is connected with the rear tube (64), and a spring pin (65) is arranged at the joint of the yoke tube (67) and the rear tube (64);
The bottom of nozzle core (6) is connected with spout flange seat (2), is connected with flange (3) on spout flange seat (2), and flange (4) are provided with at the top of flange (3), and the bottom of spout flange seat (2) is provided with spout gasket (1).
2. Urea nozzle for light truck according to claim 1, characterized in that the bottom side of the coil former (616) is provided with pins (62) and the outside of the rear tube (64) is provided with a coil housing (61), the pins (62) passing through the coil housing (61) to be connected with the outside.
3. The urea nozzle for the light truck as claimed in claim 1, wherein a yoke piece (66) is arranged between the yoke tube (67) and the coil bobbin (616), a nozzle core O-ring (63) is arranged at the bottom of the rear tube (64), and a valve seat (610) is arranged at the inner side of the top of the front long tube (613).
4. The urea nozzle for the light truck according to claim 1, wherein a connecting sleeve (5) is arranged at the outer positioning of the positioning ring (615), an electronic valve fixing sleeve (7) is arranged at the top of the connecting sleeve (5), and the electronic valve fixing sleeve (7) is fixedly connected with a liquid inlet pipe pressure cap (9) through a fixing buckle (8).
5. The urea nozzle for the light truck as claimed in claim 4, wherein the liquid inlet pipe pressure cap (9) is internally connected with a liquid inlet interface (10), the electronic valve fixing sleeve (7) is provided with a connecting sleeve (5) between the flange covers (4), and a graphite heat insulation gasket (11) is arranged between the connecting sleeve (5) and the front long pipe (613).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321959329.1U CN220815796U (en) | 2023-07-25 | 2023-07-25 | Urea nozzle for light truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321959329.1U CN220815796U (en) | 2023-07-25 | 2023-07-25 | Urea nozzle for light truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220815796U true CN220815796U (en) | 2024-04-19 |
Family
ID=90711596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321959329.1U Active CN220815796U (en) | 2023-07-25 | 2023-07-25 | Urea nozzle for light truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220815796U (en) |
-
2023
- 2023-07-25 CN CN202321959329.1U patent/CN220815796U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |