CN203642999U - Urea sensor structure - Google Patents
Urea sensor structure Download PDFInfo
- Publication number
- CN203642999U CN203642999U CN201320834207.XU CN201320834207U CN203642999U CN 203642999 U CN203642999 U CN 203642999U CN 201320834207 U CN201320834207 U CN 201320834207U CN 203642999 U CN203642999 U CN 203642999U
- Authority
- CN
- China
- Prior art keywords
- pipe
- urea
- sensor
- filter screen
- footstock
- 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.)
- Expired - Lifetime
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000004202 carbamide Substances 0.000 title claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000000465 moulding Methods 0.000 claims description 14
- 238000005476 soldering Methods 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a urea sensor structure. The urea sensor structure comprises a sensor footstock, wherein the sensor footstock is connected with a urea suction pipe orifice, a urea return pipe orifice and a pair of water connectors, an information pipe is welded to the center of the bottom of the sensor footstock, the bottom end of the information pipe is connected with a tray, a chock plug is welded in a pipe orifice in the bottom end of the information pipe, a floater is installed on the information pipe in a sliding mode, the bottom of the sensor footstock is connected with the two pipe ends of a spiral pipe, two pipe orifices of the spiral pipe are communicated with the two water connectors respectively, the lower portion of a pipe body of the spiral pipe forms a vertical spiral shape with the information pipe as a central axis, the bottom of the sensor footstock is also connected with a pair of urea pipes, pipe orifices at the top ends of the two urea pipes are communicated with the urea suction pipe orifice and the urea return pipe orifice, a filter screen injection molding piece is arranged in an annular flange at the edge of the tray, and the filter screen injection molding piece is sleeved with a filter screen. The urea sensor structure is reasonable in layout, stable, reliable and good in leakproofness, and therefore the service life of a urea sensor is greatly prolonged.
Description
Technical field
The utility model relates to urea sensor field, is specially a kind of urea sensor structure.
Background technology
Urea sensor is arranged on carriage frame side, directly contacts external environment, and working temperature is between-44 ℃～+ 85 ℃.Urea sensor head shell is exposed in urea box external body, the rugged surroundings such as drenched with rain all the year round and be exposed to the sun impact, and urea sensor pipeline in urea box, has very strong corrosivity all the year round.Due to its unreasonable structure, there is low problem in serviceable life in prior art urea sensor.
Utility model content
The purpose of this utility model is to provide a kind of urea sensor structure, to solve the problem of prior art urea sensor unreasonable structure.
In order to achieve the above object, the technical scheme that the utility model adopts is:
A kind of urea sensor structure, include sensor footstock, it is characterized in that: in sensor footstock, be connected with and inhale the urea mouth of pipe by ultrasonic soldering, return the urea mouth of pipe, a pair of water interface, and inhale the urea mouth of pipe, return the urea mouth of pipe, two water interfaces and sensor footstock junction are shaped to respectively zigzag, sensor footstock bottom centre is connected to vertical message tube by Laser Welding (LBW), message tube bottom is connected with pallet, and be connected to plug by Laser Welding (LBW) in the bottom mouth of pipe that message tube is connected with pallet, on message tube, be slidably fitted with float, described sensor footstock bottom is connected with two pipe ends of a spiral pipe, spiral pipe two mouths of pipe respectively in sensor footstock with the corresponding connection one by one of two water interfaces, described spiral pipe pipe shaft bottom is shaped to the vertical spiral fashion of axle centered by message tube, and there is space between float and spiral pipe inwall, described sensor footstock bottom is also connected with a pair of urea tube, the two urea tube top mouths of pipe respectively in sensor footstock with suction, return the urea mouth of pipe corresponding connection one by one, described pallet edge forms downward annular flange by laser bonding, in pallet annular flange, be provided with filter screen moulding, on filter screen moulding, cover has filter screen, and filter screen lateral cross section is set to the shape of mating with pallet disc diameter, the two urea tube bottom mouths of pipe pass respectively pallet and are arranged on filter screen moulding.
Described a kind of urea sensor structure, is characterized in that: described filter screen moulding edge is provided with breach.
The utility model topology layout is reasonable, reliable and stable, good airproof performance, the serviceable life of greatly having improved urea sensor.
Accompanying drawing explanation
Fig. 1 is the utility model one-piece construction front elevation.
Fig. 2 is the utility model structure vertical view.
Fig. 3 is the utility model sensor footstock part-structure cut-open view.
Fig. 4 is water interface junction enlarged diagram in the utility model sensor footstock.
Fig. 5 is the utility model tray portion structure cut-open view.
Fig. 6 is the utility model filter screen moulding structure cut-open view.
Embodiment
As shown in Fig. 1-Fig. 6.A kind of urea sensor structure, include sensor footstock 1, in sensor 1 footstock, be connected with and inhale the urea mouth of pipe 2 by ultrasonic soldering, return the urea mouth of pipe 3, a pair of water interface 4, and inhale the urea mouth of pipe 2, return the urea mouth of pipe 3, two water interfaces 4 are shaped to respectively zigzag 5 with sensor footstock 1 junction, sensor footstock 1 bottom centre is connected to vertical message tube 6 by Laser Welding (LBW), message tube 6 bottoms are connected with in the bottom mouth of pipe that pallet 7 and message tube 6 be connected with pallet 7 and are connected to plug 8 by Laser Welding (LBW), on message tube 6, be slidably fitted with float 9, sensor footstock 1 bottom is connected with two pipe ends of a spiral pipe 10, 10 liang of mouths of pipe of spiral pipe respectively in sensor footstock 1 with the corresponding connection one by one of two water interfaces 4, spiral pipe 10 pipe shaft bottoms are shaped to the vertical spiral fashion of axle centered by message tube 6, and there is space between float 9 and spiral pipe 10 inwalls, sensor footstock 1 bottom is also connected with a pair of urea tube 11, the two urea tube 11 top mouths of pipe respectively in sensor footstock 1 with inhale, return the urea mouth of pipe 2, 3 corresponding connections one by one, pallet 7 edges form downward annular flange 12 by laser bonding, in the annular flange 12 of pallet 7, be provided with filter screen moulding 13, on filter screen moulding 13, cover has filter screen 14, and filter screen 14 lateral cross section are set to the shape of mating with pallet 7 disc diameters, the two urea tube 11 bottom mouths of pipe pass respectively pallet 7 and are arranged on filter screen moulding 13.Filter screen moulding 13 edges are provided with breach 15.
In the utility model, adopt pallet welding, convenient fixing water inlet pipe and water outlet pipe, urea tube, message tube and net-filter assembly, good reliability guarantees that float and periphery tube wall gap are even simultaneously.
In the utility model, sensor footstock and Inlet and outlet water joint, enter back urea joint, its structure all adopts ultrasonic welding process design, guarantees soldering reliability and impermeability.
In the utility model, sensor footstock and each interface, mouth of pipe junction adopt slip-off preventing broached-tooth design to increase product serviceable life, have improved product reliability.
In the utility model, filter screen adopts and pallet diameter matching circular structure, and entirety is more attractive in appearance, and breach is offered at filter screen moulding edge, guarantees that filter screen inside is penetrating.Pallet has good protective effect to filter screen simultaneously.
Claims (2)
1. a urea sensor structure, include sensor footstock, it is characterized in that: in sensor footstock, be connected with and inhale the urea mouth of pipe by ultrasonic soldering, return the urea mouth of pipe, a pair of water interface, and inhale the urea mouth of pipe, return the urea mouth of pipe, two water interfaces and sensor footstock junction are shaped to respectively zigzag, sensor footstock bottom centre is connected to vertical message tube by Laser Welding (LBW), message tube bottom is connected with pallet, and be connected to plug by Laser Welding (LBW) in the bottom mouth of pipe that message tube is connected with pallet, on message tube, be slidably fitted with float, described sensor footstock bottom is connected with two pipe ends of a spiral pipe, spiral pipe two mouths of pipe respectively in sensor footstock with the corresponding connection one by one of two water interfaces, described spiral pipe pipe shaft bottom is shaped to the vertical spiral fashion of axle centered by message tube, and there is space between float and spiral pipe inwall, described sensor footstock bottom is also connected with a pair of urea tube, the two urea tube top mouths of pipe respectively in sensor footstock with suction, return the urea mouth of pipe corresponding connection one by one, described pallet edge forms downward annular flange by laser bonding, in pallet annular flange, be provided with filter screen moulding, on filter screen moulding, cover has filter screen, and filter screen lateral cross section is set to the shape of mating with pallet disc diameter, the two urea tube bottom mouths of pipe pass respectively pallet and are arranged on filter screen moulding.
2. a kind of urea sensor structure according to claim 1, is characterized in that: described filter screen moulding edge is provided with breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320834207.XU CN203642999U (en) | 2013-12-17 | 2013-12-17 | Urea sensor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320834207.XU CN203642999U (en) | 2013-12-17 | 2013-12-17 | Urea sensor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203642999U true CN203642999U (en) | 2014-06-11 |
Family
ID=50874234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320834207.XU Expired - Lifetime CN203642999U (en) | 2013-12-17 | 2013-12-17 | Urea sensor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203642999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759789A (en) * | 2013-12-17 | 2014-04-30 | 合肥邦立电子股份有限公司 | Urea sensor structure |
-
2013
- 2013-12-17 CN CN201320834207.XU patent/CN203642999U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759789A (en) * | 2013-12-17 | 2014-04-30 | 合肥邦立电子股份有限公司 | Urea sensor structure |
| CN103759789B (en) * | 2013-12-17 | 2017-02-15 | 合肥邦立电子股份有限公司 | Urea sensor structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |