CN206988072U - Diesel motor exhaust handles the diaphragm assembly of urea pump - Google Patents
Diesel motor exhaust handles the diaphragm assembly of urea pump Download PDFInfo
- Publication number
- CN206988072U CN206988072U CN201720838768.5U CN201720838768U CN206988072U CN 206988072 U CN206988072 U CN 206988072U CN 201720838768 U CN201720838768 U CN 201720838768U CN 206988072 U CN206988072 U CN 206988072U
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- seal line
- valve seat
- urea pump
- diesel motor
- 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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Abstract
A kind of diaphragm assembly of diesel motor exhaust processing urea pump, including shell, drive mechanism, valve seat, valve seat bonnet, valve block is provided between valve seat and bonnet, drive mechanism includes push rod, and movable inner chamber is provided between shell and valve seat, intracavitary is provided with diaphragm in activity, diaphragm is fixedly connected to form reciprocating motion with push rod, and diaphragm is provided with the first seal line, the second seal line, and the first seal line, the both sides up and down of the second seal line abut against with valve seat, shell respectively;By setting the first seal line, the second seal line, dual-seal is formed between diaphragm and valve seat, make fluid isolation of the leakage around the seal line of diaphragm first in the second seal line of diaphragm, play double sealing effect, reasonable in design, sealing property is strong, service life length, the vacuum of urea pump is effectively increased, prevents urea liquid from leaking into outside urea pump.
Description
Technical field
It the utility model is related to a kind of diesel motor exhaust processing urea pump, more particularly to a kind of diesel motor exhaust
The diaphragm assembly of urea pump is handled, belongs to diesel motor exhaust treatment technology.
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 improves a kind of structure design and closed
Reason, sealing property is strong, service life is long, can effectively increase urea pump vacuum, can effectively prevent urea liquid from leaking into urine
The diaphragm assembly of diesel motor exhaust processing urea pump outside plain pump.
Technical scheme is used by the utility model solves its technical problem:A kind of diesel motor exhaust handles urea
The diaphragm assembly of pump, including shell, are provided with drive mechanism in the shell, and the drive mechanism includes push rod, on the shell
Provided with valve seat, the valve seat is provided with bonnet, and valve block is provided between the valve seat and bonnet, is provided between the shell and valve seat
Movable inner chamber, intracavitary is provided with diaphragm in the activity, and the diaphragm and push rod are fixedly connected to form reciprocating motion, on the diaphragm
Provided with the first seal line, the outer ring end of the diaphragm is provided with the second seal line, first seal line, the second seal line it is upper
Lower both sides abut against with valve seat, shell respectively.
Using said structure, by setting the first seal line, the second seal line, formed between diaphragm and valve seat dual close
Envelope, fluid isolation of the leakage around the seal line of diaphragm first is set to play double sealing effect in the second seal line of diaphragm,
Reasonable in design, sealing property is strong, service life length, effectively increases the vacuum of urea pump, prevents urea liquid from leaking
To outside urea pump.
Preferably, first seal line is square structure, second seal line is circular configuration, and the valve seat exists
Arc convex is provided with first seal line, first seal line becomes arcuate relief structure, institute in the presence of arc convex
State valve seat and a deep-slotted chip breaker is formed under the extruding of the second seal line.Using said structure, the first seal line of diaphragm is in valve seat
Arcuate relief structure is formed under arc convex extruding, so as to play the effect of the first resealing, the second seal line of diaphragm is by squeezing
Pressure valve seat forms it into deep-slotted chip breaker, so as to play the effect of the second resealing, effectively increases urea pump vacuum, prevents that urea is molten
Liquid is leaked 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.Using said structure, positioning convex is set on valve seat,
Positioning action can be played when diaphragm assembles, and the structural stability of diaphragm can be improved.
Preferably, the diaphragm is provided with arc locating ring in the inner side of the first seal line, the valve seat is relative to arc
Annular groove is provided with locating ring.Using said structure, by setting arc locating ring on diaphragm, annular is set on valve seat
Groove, positioning action can be played when diaphragm assembles, and the structural stability of diaphragm can be improved.
Preferably, being embedded with attachment screw in the diaphragm, the diaphragm is fixedly connected by attachment screw with push rod.
Using said structure, the assembling of diaphragm and push rod is facilitated, and is connected firmly, and also reduces overall volume.
Preferably, the diaphragm is process by SUS303, and the surface uniform fold of diaphragm has HNBR.Using above-mentioned
Structure, the corrosion resistance and elasticity of diaphragm are improved, so as to improve the service life of diaphragm.
The utility model has that reasonable in design, sealing property is strong, service life is long, it is true to effectively increase urea pump
Reciprocal of duty cycle, the advantages that effectively preventing urea liquid from leaking into outside urea pump.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model embodiment;
Fig. 2 is enlarged drawing at the utility model Fig. 1 A.
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 diaphragm assembly of diesel motor exhaust processing urea pump as shown in Figure 1, including shell 1, the shell 1
Interior to be provided with drive mechanism 2, the drive mechanism 2 includes push rod 21, and the shell 1 is provided with valve seat 3, and the valve seat 3 is provided with
Bonnet 4, valve block 5 is provided between the valve seat 3 and bonnet 4.
Movable inner chamber 6 is provided between the shell 1 and valve seat 3, diaphragm 7, the diaphragm 7 are provided with the movable inner chamber 6
Reciprocating motion is fixedly connected to form with push rod 21, the diaphragm 7 is provided with the first seal line 71, the outer ring end of the diaphragm 7
Provided with the second seal line 72, first seal line 71, the both sides up and down of the second seal line 72 offset with valve seat 3, shell 1 respectively
Connect, by setting the first seal line 71, the second seal line 72, form dual-seal between diaphragm 7 and valve seat 3, leakage is existed
Fluid isolation around the seal line 71 of diaphragm 7 first plays double sealing effect, structure in the second seal line 72 of diaphragm 7
Reasonable in design, sealing property is strong, service life length, effectively increases the vacuum of urea pump, prevents urea liquid from leaking into urine
Outside plain pump;Attachment screw 75 is embedded with the diaphragm 7, the diaphragm 7 is fixedly connected by attachment screw 75 with push rod 21, side
Diaphragm 7 and push rod 21 assembling, and be connected firmly, and also reduce overall volume;The diaphragm 7 is processed by SUS303
Form, and the surface uniform fold of diaphragm 7 has HNBR, the corrosion resistance and elasticity of diaphragm is improved, so as to improve diaphragm
Service life.
First seal line 71 is square structure, and second seal line 72 is circular configuration, and the valve seat 3 is first
Arc convex 31 is provided with seal line 71, first seal line 71 becomes arcuate relief knot in the presence of arc convex 31
Structure, the valve seat 3 form a deep-slotted chip breaker 32 under the extruding of the second seal line 72, and the first seal line 71 of diaphragm 7 is in valve seat 3
Arc convex 31 forms arcuate relief structure under extruding, and so as to play the effect of the first resealing, the second seal line 72 of diaphragm 7 is logical
Cross extruding valve seat 3 and form it into deep-slotted chip breaker 32, so as to play the effect of the second resealing, effectively increase urea pump vacuum, prevent
Only urea liquid is leaked into outside urea pump.
The valve seat 3 opening position between the first seal line 71 and the second seal line 72 of diaphragm 7 is provided with positioning convex 33,
The diaphragm 7 forms detent 73 under the extruding of positioning convex 33, and positioning convex 33 is set on valve seat 3, in 7 groups of diaphragm
Positioning action can be played during dress, and the structural stability of diaphragm 7 can be improved;The diaphragm 7 is in the first seal line 71
Side is provided with arc locating ring 74, and the valve seat 3 is relative to annular groove 34 is provided with arc locating ring 74, by diaphragm 7
Arc locating ring 74 is set, annular groove 34 is set on valve seat 3, positioning action can be played when diaphragm 7 assembles, and can
Improve the structural stability of diaphragm 7.
The utility model has that reasonable in design, sealing property is strong, service life is long, it is true to effectively increase urea pump
Reciprocal of duty cycle, the advantages that effectively preventing urea liquid from leaking into outside urea pump.
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 (6)
1. a kind of diaphragm assembly of diesel motor exhaust processing urea pump, including shell(1), the shell(1)Interior be provided with is driven
Motivation structure(2), the drive mechanism(2)Including push rod(21), the shell(1)It is provided with valve seat(3), the valve seat(3)On
Provided with bonnet(4), the valve seat(3)With bonnet(4)Between be provided with valve block(5), it is characterised in that:The shell(1)With valve seat
(3)Between be provided with movable inner chamber(6), the movable inner chamber(6)It is interior to be provided with diaphragm(7), the diaphragm(7)With push rod(21)It is fixed
Connection, which is formed, to be moved back and forth, the diaphragm(7)It is provided with the first seal line(71), the diaphragm(7)Outer ring end be provided with the
Two seal lines(72), first seal line(71), the second seal line(72)Both sides up and down respectively with valve seat(3), shell(1)
Abut against.
2. the diaphragm assembly of diesel motor exhaust processing urea pump according to claim 1, it is characterised in that:Described
One seal line(71)For square structure, second seal line(72)For circular configuration, the valve seat(3)In the first seal line
(71)Place is provided with arc convex(31), first seal line(71)In arc convex(31)In the presence of become arcuate relief knot
Structure, the valve seat(3)In the second seal line(72)Extruding under form a deep-slotted chip breaker(32).
3. the diaphragm assembly of diesel motor exhaust processing urea pump according to claim 1, it is characterised in that:The valve
Seat(3)In diaphragm(7)The first seal line(71)With the second seal line(72)Between opening position be provided with positioning convex(33), it is described
Diaphragm(7)In positioning convex(33)Extruding under form detent(73).
4. the diaphragm assembly of diesel motor exhaust processing urea pump according to claim 1, it is characterised in that:The film
Piece(7)In the first seal line(71)Inner side be provided with arc locating ring(74), the valve seat(3)Relative to arc locating ring(74)
Place is provided with annular groove(34).
5. the diaphragm assembly of diesel motor exhaust processing urea pump according to claim 1, it is characterised in that:The film
Piece(7)Inside it is embedded with attachment screw(75), the diaphragm(7)Pass through attachment screw(75)With push rod(21)It is fixedly connected.
6. the diaphragm assembly of diesel motor exhaust processing urea pump according to claim 1, it is characterised in that:The film
Piece(7)It is process by SUS303, and diaphragm(7)Surface uniform fold have HNBR.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720838768.5U CN206988072U (en) | 2017-07-12 | 2017-07-12 | Diesel motor exhaust handles the diaphragm assembly of urea pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720838768.5U CN206988072U (en) | 2017-07-12 | 2017-07-12 | Diesel motor exhaust handles the diaphragm assembly of urea pump |
Publications (1)
Publication Number | Publication Date |
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CN206988072U true CN206988072U (en) | 2018-02-09 |
Family
ID=61404010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720838768.5U Expired - Fee Related CN206988072U (en) | 2017-07-12 | 2017-07-12 | Diesel motor exhaust handles the diaphragm assembly of urea pump |
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CN (1) | CN206988072U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107246376A (en) * | 2017-07-12 | 2017-10-13 | 浙江卡韦德新能源科技有限公司 | Diesel motor exhaust handles the diaphragm assembly of urea pump |
-
2017
- 2017-07-12 CN CN201720838768.5U patent/CN206988072U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107246376A (en) * | 2017-07-12 | 2017-10-13 | 浙江卡韦德新能源科技有限公司 | Diesel motor exhaust handles the diaphragm assembly of urea pump |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 |
|
CF01 | Termination of patent right due to non-payment of annual fee |