CN206988073U - Diesel motor exhaust handles electromagnetism urea pump - Google Patents
Diesel motor exhaust handles electromagnetism urea pump Download PDFInfo
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- CN206988073U CN206988073U CN201720838685.6U CN201720838685U CN206988073U CN 206988073 U CN206988073 U CN 206988073U CN 201720838685 U CN201720838685 U CN 201720838685U CN 206988073 U CN206988073 U CN 206988073U
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- push rod
- bonnet
- shell
- valve seat
- diaphragm
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Abstract
A kind of diesel motor exhaust handles electromagnetism urea pump, including shell, bonnet, inner chamber is formed between the shell and bonnet, interior intracavitary is provided with push rod, the outer ring of push rod is arranged with base, armature, spring, base is provided with wire frame, enamel-covered wire with armature outer sheath, and mosaic set is arranged between armature and wire frame, electromagnet casing is provided between wire frame and shell；The front end of shell is provided with valve seat, bonnet, two valve blocks is provided between bonnet and valve seat, bonnet is respectively equipped with water inlet and delivery port at two valve blocks；Diaphragm is provided between valve seat and shell, diaphragm is provided with the first seal line, the second seal line；After enamel-covered wire is powered, main magnetic circuit is produced, armature is driven pushrod movement, push rod band dynamic diaphragm moves reciprocatingly, goes round and begins again, urea is continuously sprayed；The reciprocating motion of diaphragm is promoted using electromagnetic induction, have it is simple in construction, when diaphragm run without lubrication, overall volume is small, flexible, the easy to use, low cost and other advantages of flow control.
Description
Technical field
Diesel engine technologies field is the utility model is related to, more particularly to a kind of diesel motor exhaust processing electromagnetism urine
Plain pump.
Background technology
Existing diesel engine must configure set of system in addition, urea and tail gas is fully reacted, to reach
Meet the discharge standard of regulation；Urea exhaust system needs a high pressure, quantitative power source to be sprayed into blast pipe converter
Urea, because current technology can not realize this function, so as to have impact on the development of diesel car industry.
The content of the invention
The purpose of this utility model is solve the deficiencies in the prior art, and the utility model provides a kind of diesel engine
Vent gas treatment electromagnetism urea pump.
Technical scheme is used by the utility model solves its technical problem：A kind of diesel motor exhaust handles electromagnetism
Urea pump, including shell, the outer casing back are provided with bonnet, and inner chamber is formed between the shell and bonnet, and the interior intracavitary is set
There is push rod, the outer ring of the push rod is arranged with base, and the push rod is arranged with towards bonnet side in base and abutted against with base
Armature, the push rod is arranged with spring in base inner ring, and the both ends of the spring abut against with base, armature respectively, described
Base is provided with wire frame with armature outer sheath, is provided with enamel-covered wire in wire frame, is arranged with and inlays between the armature and wire frame
Set, is provided with electromagnet casing between the wire frame and shell；The front end of the shell is provided with valve seat, and the valve seat is provided with valve
Lid, valve block is provided between the bonnet and valve seat, the bonnet is provided with the concaveconvex structure being engaged with valve block with valve seat, described
Valve block is two, and the bonnet is respectively equipped with water inlet and delivery port at two valve blocks；It is provided between the valve seat and shell
The diaphragm being fixedly connected with push rod, the push rod and diaphragm, which are formed, to be moved back and forth, and is provided between the valve seat and shell and diaphragm
The cavity volume being engaged, the diaphragm are provided with the first seal line, and the outer ring end of the diaphragm is provided with the second seal line.
Using said structure, after enamel-covered wire is powered, main magnetic circuit is produced between base, armature, electromagnet casing, produces armature
Raw axial linear movement, produce push and draw force, drive pushrod movement, push rod drive the diaphragm that is fixedly connected with push rod in shell and
Moved reciprocatingly in cavity volume between valve seat, during push rod is run downwards, urea is flowed into by the water inlet of bonnet
At the valve block on valve seat, and valve opening piece position is pushed up, flow in the cavity volume of motion of membrane, now push rod moves upwards, will flow
The urea entered is pushed up upwards, and valve block position, which is held out against, to flow out, and valve block position is pushed up out, the delivery port that urea is flow on bonnet
And go out, go round and begin again, urea is continuously sprayed；The reciprocating motion of diaphragm is promoted using electromagnetic induction, urea pump has structure
Simply, need not be lubricated when diaphragm is run, overall volume is small, flow controls flexible, easy to use, low cost and other advantages.
Preferably, the valve seat is provided with arc convex at the first seal line, first seal line is square structure,
First seal line becomes arcuate relief structure in the presence of arc convex, and second seal line is circular configuration, institute
State valve seat and a deep-slotted chip breaker is formed under the extruding of the second seal line.Using said structure, by setting the first sealing on diaphragm
Line and the second seal line, can effectively increase urea pump vacuum, prevent urea liquid from leaking into outside urea pump.
Preferably, valve seat opening position between the first seal line and the second seal line of diaphragm is provided with convex
Rise, the diaphragm forms detent under the extruding of positioning convex, and the diaphragm is provided with arc in the inner side of the first seal line
Locating ring, the valve seat is relative to being provided with annular groove at arc locating ring.Using said structure, by setting arc on diaphragm
Shape locating ring, positioning convex, annular groove are set on valve seat, positioning action can be played when diaphragm assembles, and can carry
The structural stability of high diaphragm.
Preferably, the valve seat is connected with bonnet by pump head fixed screw, the valve between the bonnet and valve seat
The outer ring of piece is equipped with valve block O-ring.Using said structure, it is possible to increase the connective stability between valve seat and bonnet, it is also square
Just the assembling and maintenance of urea pump, and valve block O-ring is set in the outer ring of valve block, the vacuum of urea pump can be effectively improved,
Prevent urea liquid from leaking into outside urea pump.
Preferably, the mosaic set is process for aluminium alloy and surface is by hard anodizing processing or surface warp
Cross the processing of plating pottery.Using said structure, urea pump mosaic set corrosion resistance, wearability are effectively improved.Urea pump is set integrally to use the longevity
Life lengthens.
Preferably, the armature is provided with outstanding step towards the end outer ring of bonnet side.Using above-mentioned knot
Structure, secondary magnetic circuit is produced between the outstanding step of base, armature, electromagnet casing, the leakage field for solving conventional solenoid valve
Phenomenon, armature is further increased to thrust, pulling force caused by push rod.
Preferably, the head of the push rod is regular hexagon structure, the head of the push rod offers internal thread hole, institute
State push rod with diaphragm by attachment screw and internal thread hole to be connected, trough with straight angle, external screw thread, the rank are offered on the push rod
Tie Tong crosses trough with straight angle, locking nut and externally threaded cooperation and is fixed on push rod.Using said structure, urea pump is effectively reduced
Space, reasonable in design, easy for installation, accurate positioning, and the head of push rod use regular hexagon structure, can lead to during installation
Conventional tool installation is crossed, and the stress point of push rod is six so that the power that push rod is acted on diaphragm is more balanced, improves urine
The service life and using effect of plain pump.
Preferably, the material of the push rod is stainless steel 304, it is provided with and is oriented between the head of the push rod and shell
Set.Using said structure, improve the intensity and corrosion resistance of push rod, and set guide sleeve can improve push rod motion it is steady
It is qualitative.
Preferably, the shell is connected with bonnet by bonnet screw.Using said structure, ensure shell and bonnet
Between mounting stability, be also convenient for the assembling and maintenance of urea pump.
Preferably, the material of the shell is ADC12, the shell is provided with relief hole towards valve seat side, described outer
The outer wall of shell is provided with the wiring box being connected with enamel-covered wire.Using said structure, the intensity and rigidity of shell are improved, is had
Effect reduces resistance suffered during pushrod movement, by setting wiring box, facilitates the use of urea pump.
The utility model have it is simple in construction, when diaphragm is run without lubrication, overall volume is small, flow control flexibly,
Easy to use, low cost and other advantages.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is the partial enlarged drawing at the utility model Fig. 1 A；
Fig. 3 is the outline drawing of the utility model embodiment,
Fig. 4 is the structural representation of the utility model shell.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, the technical solution of the utility model is made further specifically
It is bright.
Embodiment：
A kind of diesel motor exhaust processing electromagnetism urea pump as shown in Figure 1, including shell 1, the rear end of shell 1 are set
There is bonnet 2, the shell 1 is connected with bonnet 2 by bonnet screw 18, ensures that the installation between shell 1 and bonnet 2 is stable
Property, it is also convenient for the assembling and maintenance of urea pump；Inner chamber is formed between the shell 1 and bonnet 2, the interior intracavitary is provided with push rod 6,
The outer ring of the push rod 6 is arranged with base 7, and the push rod 6 is arranged with what is abutted against with base 7 in base 7 towards the side of bonnet 2
Armature 8, the armature 8 is provided with outstanding step 81 towards the end outer ring of the side of bonnet 2, outside in base 7, armature 8
Secondary magnetic circuit is produced between prominent step 81, electromagnet casing 13, the leakage field phenomenon for solving conventional solenoid valve, is further improved
Armature 8 is to thrust, pulling force caused by push rod 6；The push rod 6 is arranged with spring 9, the both ends of the spring 9 in the inner ring of base 7
Abutted against respectively with base 7, armature 8, the base 7 is provided with wire frame 10 with the outer sheath of armature 8, and enamel-cover is provided with wire frame 10
Line 11, is arranged with mosaic set 12 between the armature 8 and wire frame 10, mosaic set 12 is that aluminium alloy is process and surface is passed through
Hard anodizing processing or surface effectively improve the corrosion resistance of urea pump mosaic set 13, wearability, make urea by plating pottery processing
Pump whole service life lengthens；Electromagnet casing 13 is provided between the wire frame 10 and shell 1.
The head of the push rod 6 is regular hexagon structure, and the head of the push rod 6 offers internal thread hole 61, described to push away
Bar 6 is connected with diaphragm 14 by attachment screw 144 and internal thread hole 61, and trough with straight angle 62, external screw thread are offered on the push rod 6
63, the armature 8 is fixed on push rod 6 by the cooperation of trough with straight angle 62, locking nut 64 and external screw thread 63, effectively reduces urine
Plain pump space, reasonable in design, easy for installation, accurate positioning, and the head of push rod 6 use regular hexagon structure, during installation
It can be installed by conventional tool, and the stress point of push rod 6 is six so that the power that push rod 6 is acted on diaphragm 14 is more equal
Weighing apparatus, improve the service life and using effect of urea pump；The material of the push rod 6 is stainless steel 304, the head of the push rod 6
Guide sleeve 17 is provided between portion and shell 1, improves the intensity and corrosion resistance of push rod 6, and set guide sleeve 17 to carry
The kinetic stability of high push rod 6.
The front end of the shell 1 is provided with valve seat 3, and the valve seat 3 is provided with bonnet 4, set between the bonnet 4 and valve seat 3
There is valve block 5, the bonnet 4 is provided with the concaveconvex structure being engaged with valve block 5 with valve seat 3, and the valve block 5 is two, the valve
Lid 4 is respectively equipped with water inlet 41 and delivery port 42 at two valve blocks 5；The valve seat 3 passes through pump head fixed screw 15 with bonnet 4
It is connected, the outer ring of the valve block 5 between the bonnet 4 and valve seat 3 is equipped with valve block O-ring 16, it is possible to increase valve seat 3 and bonnet
Connective stability between 4, the assembling and maintenance of urea pump are also convenient for, and valve block O-ring 16, energy are set in the outer ring of valve block 5
The vacuum of urea pump is enough effectively improved, prevents urea liquid from leaking into outside urea pump.
The diaphragm 14 being fixedly connected with push rod 6 is provided between the valve seat 3 and shell 1, the push rod 6 is formed with diaphragm 14
Move back and forth, the cavity volume being engaged with diaphragm 14 is provided between the valve seat 3 and shell 1, it is close that the diaphragm 14 is provided with first
Line 141 is sealed, the outer ring end of the diaphragm 14 is provided with the second seal line 142.
After enamel-covered wire 11 is powered, main magnetic circuit is produced between base 7, armature 8, electromagnet casing 13, armature 8 is produced axial direction
Linear motion, produce push and draw force, drive push rod 6 to move, push rod 6 drive the diaphragm 14 that is fixedly connected with push rod 6 in shell 1 and
Moved reciprocatingly in cavity volume between valve seat 3, during push rod 6 downwards operation, urea is flowed by the water inlet 41 of bonnet 4
Enter to the valve block 51 on valve seat 3, and push up the position of valve opening piece 51, flow to diaphragm 14 motion cavity volume in, now push rod 6 to
Upper motion, the urea of inflow is pushed up upwards, the position of valve block 51, which is held out against, to flow out, and the position of valve block 52 is pushed up out, flow of urea
Delivery port 42 on to bonnet 4 and go out, go round and begin again, urea is continuously sprayed；The past of diaphragm 14 is promoted using electromagnetic induction
Multiple motion, urea pump have it is simple in construction, when diaphragm run without lubrication, overall volume is small, flow control is flexible, user
Just, low cost and other advantages.
As shown in Fig. 2 the valve seat 3 is provided with arc convex 31, first seal line 141 at the first seal line 141
For square structure, first seal line 141 becomes arcuate relief structure, second sealing in the presence of arc convex 31
Line 142 is circular configuration, and the valve seat 3 forms a deep-slotted chip breaker 32 under the extruding of the second seal line 142；The valve seat 3 is in film
Opening position is provided with positioning convex 33 between the first seal line 141 and the second seal line 142 of piece 14, and the diaphragm 14 is in convex
Rising and form detent 143 under 33 extruding, the diaphragm 14 is provided with arc locating ring 145 in the inner side of the first seal line 141,
The valve seat 3 is relative to being provided with annular groove 34 at arc locating ring 145；By setting the first seal line 141 on diaphragm 14
With the second seal line 142, urea pump vacuum can be effectively increased, prevents urea liquid from leaking into outside urea pump；By
Arc locating ring 145 is set on diaphragm 14, positioning convex 33, annular groove 34, the energy when diaphragm 14 assembles are set on valve seat 3
Positioning action is enough played, and the structural stability of diaphragm 14 can be improved.
As shown in Figure 3, Figure 4, the material of the shell 1 is ADC12, and the shell 1 is provided with relief hole towards the side of valve seat 3
19, the outer wall of the shell 1 is provided with the wiring box 20 being connected with enamel-covered wire 11, improves the intensity and rigidity of shell 1,
Resistance suffered when push rod 6 moves is effectively reduced, by setting wiring box 20, facilitates the use of urea pump.
The utility model have it is simple in construction, when diaphragm is run without lubrication, overall volume is small, flow control flexibly,
Easy to use, low cost and other advantages.
Embodiment described above is a kind of preferable scheme of the present utility model, not the utility model is made any
Formal limitation, there are other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (10)
1. a kind of diesel motor exhaust handles electromagnetism urea pump, including shell（1）, the shell（1）Rear end is provided with bonnet
（2）, the shell（1）With bonnet（2）Between form inner chamber；The shell（1）Front end be provided with valve seat（3）, the valve seat（3）
It is provided with bonnet（4）, the bonnet（4）With valve seat（3）Between be provided with valve block（5）, the bonnet（4）With valve seat（3）It is provided with
With valve block（5）The concaveconvex structure being engaged；It is characterized in that：The interior intracavitary is provided with push rod（6）, the push rod（6）Outer ring
It is arranged with base（7）, the push rod（6）In base（7）Towards bonnet（2）Side is arranged with and base（7）The armature abutted against
（8）, the push rod（6）In base（7）Inner ring is arranged with spring（9）, the spring（9）Both ends respectively with base（7）, armature
（8）Abut against, the base（7）With armature（8）Outer sheath is provided with wire frame（10）, wire frame（10）It is interior to be provided with enamel-covered wire
（11）, the armature（8）With wire frame（10）Between be arranged with mosaic set（12）, the wire frame（10）With shell（1）Between
Provided with electromagnet casing（13）；The valve block（5）For two, the bonnet（4）In two valve blocks（5）Place is respectively equipped with water inlet
（41）And delivery port（42）；The valve seat（3）With shell（1）Between be provided with and push rod（6）The diaphragm being fixedly connected（14）, it is described
Push rod（6）With diaphragm（14）Formed and moved back and forth, the valve seat（3）With shell（1）Between be provided with and diaphragm（14）It is engaged
Cavity volume, the diaphragm（14）It is provided with the first seal line（141）, the diaphragm（14）Outer ring end be provided with the second seal line
（142）.
2. diesel motor exhaust according to claim 1 handles electromagnetism urea pump, it is characterised in that：The valve seat（3）
In the first seal line（141）Place is provided with arc convex（31）, first seal line（141）It is close for square structure, described first
Seal line（141）In arc convex（31）In the presence of become arcuate relief structure, second seal line（142）Tied for circle
Structure, the valve seat（3）In the second seal line（142）Extruding under form a deep-slotted chip breaker（32）.
3. diesel motor exhaust according to claim 1 handles electromagnetism urea pump, it is characterised in that：The valve seat（3）
In diaphragm（14）The first seal line（141）With the second seal line（142）Between opening position be provided with positioning convex（33）, the film
Piece（14）In positioning convex（33）Extruding under form detent（143）, the diaphragm（14）In the first seal line（141）'s
Inner side is provided with arc locating ring（145）, the valve seat（3）Relative to arc locating ring（145）Place is provided with annular groove（34）.
4. diesel motor exhaust according to claim 1 handles electromagnetism urea pump, it is characterised in that：The valve seat（3）
With bonnet（4）Pass through pump head fixed screw（15）It is connected, the bonnet（4）With valve seat（3）Between valve block（5）Outer ring it is equal
Provided with valve block O-ring（16）.
5. diesel motor exhaust according to claim 1 handles electromagnetism urea pump, it is characterised in that：The mosaic set
（12）It is process for aluminium alloy and surface is handled by hard anodizing processing or surface by plating pottery.
6. diesel motor exhaust according to claim 1 handles electromagnetism urea pump, it is characterised in that：The armature（8）
Towards bonnet（2）The end outer ring of side is provided with outstanding step（81）.
7. diesel motor exhaust according to claim 1 handles electromagnetism urea pump, it is characterised in that：The push rod（6）
Head be regular hexagon structure, the push rod（6）Head offer internal thread hole（61）, the push rod（6）With diaphragm
（14）Pass through attachment screw（144）And internal thread hole（61）It is connected, the push rod（6）On offer trough with straight angle（62）, outer spiral shell
Line（63）, the armature（8）Pass through trough with straight angle（62）, locking nut（64）With external screw thread（63）Cooperation be fixed on push rod（6）
On.
8. diesel motor exhaust according to claim 1 handles electromagnetism urea pump, it is characterised in that：The push rod（6）
Material be stainless steel 304, the push rod（6）Head and shell（1）Between be provided with guide sleeve（17）.
9. diesel motor exhaust according to claim 1 handles electromagnetism urea pump, it is characterised in that：The shell（1）
With bonnet（2）Pass through bonnet screw（18）It is connected.
10. diesel motor exhaust according to claim 1 handles electromagnetism urea pump, it is characterised in that：The shell（1）
Material be ADC12, the shell（1）Towards valve seat（3）Side is provided with relief hole（19）, the shell（1）Outer wall on set
Have and enamel-covered wire（11）The wiring box being connected（20）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720838685.6U CN206988073U (en) | 2017-07-12 | 2017-07-12 | Diesel motor exhaust handles electromagnetism urea pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720838685.6U CN206988073U (en) | 2017-07-12 | 2017-07-12 | Diesel motor exhaust handles electromagnetism urea pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206988073U true CN206988073U (en) | 2018-02-09 |
Family
ID=61405326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720838685.6U Active CN206988073U (en) | 2017-07-12 | 2017-07-12 | Diesel motor exhaust handles electromagnetism urea pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206988073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524585A (en) * | 2017-07-12 | 2017-12-29 | 浙江卡韦德新能源科技有限公司 | Diesel motor exhaust handles electromagnetism urea pump |
-
2017
- 2017-07-12 CN CN201720838685.6U patent/CN206988073U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524585A (en) * | 2017-07-12 | 2017-12-29 | 浙江卡韦德新能源科技有限公司 | Diesel motor exhaust handles electromagnetism urea pump |
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