CN204261451U - Filter - Google Patents
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- CN204261451U CN204261451U CN201420680139.0U CN201420680139U CN204261451U CN 204261451 U CN204261451 U CN 204261451U CN 201420680139 U CN201420680139 U CN 201420680139U CN 204261451 U CN204261451 U CN 204261451U
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- CN
- China
- Prior art keywords
- filter
- contiguous block
- utility
- housing
- model
- 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 - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 56
- 239000004202 carbamide Substances 0.000 description 56
- 239000007788 liquid Substances 0.000 description 23
- 238000012544 monitoring process Methods 0.000 description 23
- 230000007246 mechanism Effects 0.000 description 10
- 239000012530 fluid Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/08—Construction of the casing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
A kind of filter, the head comprising housing, be removably installed in the filter core in described housing and match with described housing.Described head is provided with bottom, and described housing is provided with a portion and is positioned at a contiguous block at top, portion, and the thickness of described contiguous block is greater than the wall thickness in described cylinder portion, and described bottom and described contiguous block are provided with the external screw thread and internal thread that cooperatively interact.Setting like this, saves maintenance cost.
Description
Technical field
The utility model relates to a kind of filter, particularly relates to a kind of filter be arranged in engines tail gas processing system.
Background technology
Urea tank is generally included, in order to the urea pump extracted out from described urea tank by urea liquid and the filter filtered urea liquid in current engines tail gas processing system.As everyone knows, described filter belongs to expendable part, needs to change after it uses a period of time.Filter of the prior art generally includes housing, is arranged on the filter core in described housing and the head together with described case weld, if by whole filter replacement, for user, more high maintenance cost will be needed, meanwhile, position intact in filter is also made to be wasted.
Therefore, be necessary to design a kind of filter to solve the problem.
Utility model content
The purpose of this utility model is the filter providing a kind of maintenance cost lower.
For achieving the above object, the utility model adopts following technical scheme: a kind of filter, the head comprising housing, be removably installed in the filter core in described housing and match with described housing, described head is provided with bottom, described housing is provided with a portion and is positioned at a contiguous block at top, portion, the thickness of described contiguous block is greater than the wall thickness in described cylinder portion, and described bottom and described contiguous block are provided with the external screw thread and internal thread that cooperatively interact.
As the technical scheme that the utility model improves further, described bottom is provided with described external screw thread, and described contiguous block is provided with the described internal thread matched with described external screw thread.
As the technical scheme that the utility model improves further, described contiguous block separates with described cylinder portion and makes, and described contiguous block is welded in the top in described cylinder portion.
As the technical scheme that the utility model improves further, described housing also comprises the bottom that is located at bottom, described cylinder portion and is positioned at described bottom and upwards supports the spring of described filter core, and described bottom and described cylinder portion weld together.
As the technical scheme that the utility model improves further, described filter also comprises the rubber blanket between described filter core and described bottom, and described bottom extends in described rubber blanket at least partially.
As the technical scheme that the utility model improves further, described filter core comprise be positioned at peripheral filter course and by described filter course around inner space, described rubber blanket extends in described filter core at least partially.
As the technical scheme that the utility model improves further, the outlet connection that described head also comprises upper end, the inlet union be connected with upper end and is connected with upper end, described lower end part is in the bottom of described upper end.
As the technical scheme that the utility model improves further, described inlet union and described outlet connection and described upper end fit together after being and being provided separately again.
As the technical scheme that the utility model improves further, described filter also comprises the sealing ring be socketed on described bottom.
As the technical scheme that the utility model improves further, described head is machined piece, and described cylinder portion and described contiguous block are made by stainless steel.
Compared to prior art, the utility model filter connects housing and head by arranging contiguous block, when needs more renew cartridge time, only need head and housing to turn on, can filter core be taken out, thus do not need, by whole filter replacement, to save maintenance cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model engines tail gas processing system.
Fig. 2 is the stereogram of the utility model sensor integrated device.
Fig. 3 is the part isometric exploded view of Fig. 2.
Fig. 4 is the side view with the side of the second joint of the utility model sensor integrated device.
Fig. 5 is the sectional view of the utility model sensor integrated device along A-A line in Fig. 4.
Fig. 6 is the schematic diagram that the second joint of the utility model sensor integrated device is not connected with the pipeline be enclosed within pipe box.
Fig. 7 is that in Fig. 6, pipeline inserts the schematic diagram in the second joint.
The stereogram of Fig. 8 the utility model filter.
Fig. 9 is the part isometric exploded view of Fig. 8.
Figure 10 is the generalized section of Fig. 8 middle filtrator.
Figure 11 is the stereogram of the utility model fluid delivery system.
Figure 12 is the front view of the utility model fluid delivery system.
Figure 13 is the schematic diagram that the utility model fluid delivery system removes antetheca.
Figure 14 is the stereogram of another angle of the utility model fluid delivery system.
Figure 15 is that the utility model fluid delivery system antetheca opens 120 degree, and the first side wall opens the elevational schematic view of 90 degree.
Figure 16 is the profile of the motor in the utility model fluid delivery system.
Detailed description of the invention
Shown in please refer to the drawing 1, the utility model discloses a kind of engines tail gas processing system 100, and it is applied in the vent gas treatment of engine 200.Described engines tail gas processing system 100 comprise urea tank 1, the sensor integrated device 2 be connected with described urea tank 1, be connected to described sensor integrated device 2 downstream filter 3, in order to the nozzle 6 carrying the fluid delivery system 4 of described urea liquid, the common rail 5 be connected with described fluid delivery system 4 and be connected with described common rail 5.In the illustrated embodiment of the utility model, described engine 200 is that power is generally more than the high-power engine of 500 kilowatts.Correspondingly, described nozzle 6 has multiple usually.Described nozzle 6 in order to spray urea liquid in the described exhaust pipe of engine 201.Urea liquid through atomization is broken down into ammonia in the described exhaust pipe of engine 201, and described ammonia can react with the oxynitrides in tail gas, thus reduces the discharge of oxynitrides.In view of the principle of this tail gas disposal technique is known person of ordinary skill in the field, the utility model does not repeat them here.
Shown in please refer to the drawing 2, described sensor integrated device 2 comprises one and is positioned at middle main part 20, is positioned at the first joint 21 of described main part 20 side and is positioned at the second joint 22 of described main part 20 opposite side.In the illustrated embodiment of the utility model, described main part 20 is roughly rectangular, and described first joint 21 all has external screw thread with described second joint 22.Described first joint 21 is in order to be connected with described urea tank 1.Shown in please refer to the drawing 3 and Fig. 5, described main part 20 comprises a cavity 23, around the surface 24 of described cavity 23 and the urea temperature sensor 25 be installed on described surperficial 24 and urea pressure sensor 26.Described surperficial 24 are provided with the first installing hole 241 of being communicated with described cavity 23 and the second installing hole 242 near described first installing hole 241.Described first installing hole 241 is in order to install described urea temperature sensor 25, and described second installing hole 242 is in order to install described urea pressure sensor 26.In the illustrated embodiment of the utility model, described first installing hole 241 is close to each other and be positioned at the same side of described main part 20 with described second installing hole 242.Setting like this, on the one hand, is convenient to install described urea temperature sensor 25 and described urea pressure sensor 26 from side; On the other hand, due to described urea temperature sensor 25 and described urea pressure sensor 26 close together, the data both therefore combining are conducive to the accuracy that controller (not shown) carries out synthetic determination.
The first extension 252 that described urea temperature sensor 25 comprises the first installation portion 251, extend from described first installation portion 251 and the first sealing ring 253 of being socketed on described first extension 252.When being assembled into by described urea temperature sensor 25 after in described first installing hole 241, described first sealing ring 253 can realize good sealing effectiveness.After assembling, described first installation portion 251 is pressed on described surperficial 24.The ends exposed of described first extension 252 is in described cavity 23.When urea liquid flows through described cavity 23, described urea temperature sensor 25 can detect its temperature, and conducts this temperature signal to described controller.
The second extension 262 that described urea pressure sensor 26 comprises the second installation portion 261 and extends from described second installation portion 261.The inner side of described second installing hole 242 is provided with internal thread, and the outside of described second extension 262 is provided with external screw thread, can realize sealing with described externally threaded cooperation by described internal thread.After assembling, described second installation portion 261 is pressed on described surperficial 24.The ends exposed of described second extension 262 is in described cavity 23.When urea liquid flows through described cavity 23, described urea pressure sensor 26 can detect its pressure, and conducts this pressure signal to described controller.
Shown in please refer to the drawing 5, in described first joint 21 and described second joint 22, be separately installed with screen pack 211,221, to filter urea liquid.The first conical seal (contact) face 222 be positioned at outside described screen pack 221 is provided with in described second joint 22.Shown in please refer to the drawing 6, during use, described second joint 22 is connected with pipeline 28 by a pipe box 27.Particularly, described pipe box 27 is provided with the opening (non-label) that a described pipeline of confession 28 passes and the internal thread being positioned at inner side.Described pipeline 28 comprises head 281 and is socketed in the sealing ring 282 on described head 281.Described head 281 is provided with described first conical seal (contact) face 222 to the second corresponding conical seal (contact) face 283.Shown in please refer to the drawing 7, during assembling, the head 281 of described pipeline 28 inserts in described second joint 22, described first conical seal (contact) face 222 is fitted described second conical seal (contact) face 283, to realize good sealing.In addition, described sealing ring 282 between described first conical seal (contact) face 222 and described second conical seal (contact) face 283 to seal further.The internal thread of described pipe box 27 matches with the external screw thread of described second joint 22, so arranges, and described pipeline 28 is reached with described second joint 22 and is connected in described pipe box 27.
At present, on market, the kind of urea tank is a lot, and be provided with liquid level sensor in some urea tank, some does not then have, and therefore, designing a kind of exhaust treatment system that can be applicable to all kinds urea tank is the industry technical issues that need to address.According to sensor integrated device 2 of the present utility model, it is provided with urea temperature sensor 25 and urea pressure sensor 26.Setting like this, even if described urea tank 1 itself does not have liquid level sensor, the utility model also can infer liquid level in described urea tank 1 by the pressure signal of described urea pressure sensor 26 being converted to the corresponding signal of telecommunication.That is, sensor integrated device 2 of the present utility model can be applicable to all types of urea tank 1, greatly facilitates the application of client.Described sensor integrated device 2 achieves the intelligent integration of the precise monitoring of urea, voltage stabilizing and multistage purification.
Shown in please refer to the drawing 8 to Figure 10, the head 33 that described filter 3 comprises housing 31, is installed on the filter core 32 in described housing 31 and matches with described housing 31.Described filter core 32 roughly in the tubular of hollow, it comprise be positioned at peripheral filter course 321 and by described filter course 321 around inner space 322.The outlet connection 334 that described head 33 comprises upper end 331, is positioned at the bottom 332 bottom described upper end 331, the inlet union 333 be connected with the side of described upper end 331 and is connected with the opposite side of described upper end 331.Described inlet union 333 and described outlet connection 334 are provided separately with described upper end 331, then fit together, thus are convenient to change.Described upper end 331 and described bottom 332 are machined piece, and are integral structures.Setting like this, can save die sinking cost.Meanwhile, the flow hole of machined piece can be opened larger, to meet the requirement of large discharge.
Shown in please refer to the drawing 10, described filter 3 also comprises the rubber blanket 34 between described filter core 32 and described bottom 332.Described bottom 332 has at least a part to extend in described rubber blanket 34, and described rubber blanket 34 has at least a part to extend in described filter core 32.
Described housing 31 comprises a portion 311, be positioned at the bottom 312 of bottom, described cylinder portion 311, be arranged at described bottom 312 and in order to the spring 313 that upwards supports described filter core 32 and the contiguous block 314 being positioned at top, described cylinder portion 311.In the illustrated embodiment of the utility model, described contiguous block 314 is welded in the top in described cylinder portion 311.Described contiguous block 314 is provided with internal thread.Correspondingly, described bottom 332 is provided with the external screw thread matched with described internal thread.In order to enhanced leaktightness and dust-proof, described filter 3 also comprises the sealing ring 315 be socketed on described bottom 332.Because described cylinder portion 311 is thinner, it cannot arrange helicitic texture, and the utility model solves this problem cleverly by arranging described contiguous block 314, provides cost savings.Shown in please refer to the drawing 10, the thickness of described contiguous block 314 is greater than the thickness in described cylinder portion 311.In addition, in the illustrated embodiment of the utility model, described bottom 312 is provided separately with described cylinder portion 311, and then weld, cost is lower.In a kind of embodiment of the present utility model, described housing 31 is made up of stainless steel, with in order to can alkali resistance solution.
In the illustrated embodiment of the utility model, described filter 3 is the filter going out formula outward in entering, shown in flow direction please refer to the drawing 10 of described urea liquid.
The utility model is by being threaded connection described housing 31 with described head 33, setting like this, when needs more renew cartridge 32 time, only need described head 33 to turn on described housing 31, do not need the integral replacing carrying out described filter 3, thus save maintenance cost.
Shown in please refer to the drawing 11 to Figure 15, described fluid delivery system 4 comprises integrated cabinet 41, the pump 42 be installed in described integrated cabinet 41, the inlet ductwork 43 being positioned at described pump 42 side, the export pipeline 44 being positioned at described pump 42 opposite side and the controller 45(that is installed on described integrated cabinet 41 join Figure 13, Figure 15).
Described integrated cabinet 41 is roughly in cuboid, and it comprises antetheca 411, rear wall 412, roof 413, diapire 414, the first side wall 415 and the second sidewall 416.In the illustrated embodiment of the utility model, described antetheca 411 is main operation interface, and described antetheca 411 is provided with human-computer interaction interface 4111, emergency stop switch 4112, main power switch 4113, monitoring indicator 4114 and door lock 4115.Described human-computer interaction interface 4111, described emergency stop switch 4112 and described main power switch 4113 three are arranged in the middle part of described antetheca 411, and are vertically arranged in order from top to bottom.Setting like this, described main operation interface entirety meets succinct, symmetrical aesthetics design.Described human-computer interaction interface 4111, described emergency stop switch 4112 and described main power switch 4113 be equal center ofthe on described antetheca 411, and upper-lower position follows ergonomics principle, ensures excellent operation sight line comfort level.Described emergency stop switch 4112 is when system something unexpected happened, and quick-speed interruption system dynamic source, follows maximum principle, ensures the safety of system.Described monitoring indicator 4114 can in real time, on-line monitoring, display system duty.In the illustrated embodiment of the utility model, described monitoring indicator 4114 is tri coloured lantern (such as red, yellow, and green).Described tri coloured lantern is a lamp, and it is in different duties, and this monitoring indicator 4114 carries out the light display of different colours and frequency.The duty of described system just open-and-shutly can be known by described light display.In prior art, adopt three lamps to show different colors respectively, tri coloured lantern of the present utility model can save cost and layout is convenient.Described door lock 4115 is the physical security characteristic of negative and positive triangle on-off structure, its imparting system excellence in the illustrated embodiment of the utility model.
Described the first side wall 415 is provided with some wiring harness connectors 4151, and described wiring harness connector 4151 is inwardly connected with described controller 45, described pump 42 and various sensor respectively, is outwards connected with the signal and power supply etc. of its exterior respectively.In the illustrated embodiment of the utility model, described wiring harness connector 4151, all near the bottom of described integrated cabinet 41, reduces the vibration severity of described wiring harness connector 4151.Described controller 45 is positioned at the inner side of described the first side wall 415.
Shown in please refer to the drawing 15, relative to closure state position, described antetheca 411 can open 120 degree, and described the first side wall 415 can open 90 degree.Described antetheca 411 and the opening direction both described the first side wall 415 identical (being in such as Figure 15 counterclockwise oppositely), with the convenience ensureing that this system is produced, safeguard.
It should be noted that, described the first side wall 415 is connected with described integrated cabinet 41 by the fixed mechanism inside it, and this design can save a set of door lock, and makes described the first side wall 415 lateral surface succinct, attractive in appearance.During use, as the first side wall 415 as described in need opening, first need to open described antetheca 411, then unlock from inner side by described fixed mechanism, finally described the first side wall 415 could be opened.
Shown in please refer to the drawing 14, described rear wall 412 is provided with U-shaped supporting mechanism 4121, thus makes described integrated cabinet 41 can realize wall-hanging installation.Described supporting mechanism 4121 is provided with installing hole 4122, and each installing hole 4122 comprises the wider guide part of opening 4123 and the narrower location division 4124 of opening, ensures easy, the safety of assembly performance.
Shown in please refer to the drawing 13, in the illustrated embodiment of the utility model, described pump 42 is gear pump.Described pump 42 comprises the motor 421 in bottom, the pump head 422 at top and the magnetic couplings portion 423 between described motor 421 and described pump head 422.Shown in please refer to the drawing 16, described motor 421 comprises a motor output shaft 4211.Be provided with the urea runner 4221 of a U-shaped in described pump head 422 and be positioned at the gear mechanism 4222 of described urea runner 4221 bottommost.Described magnetic couplings portion 423 comprise active magnetic drive 4231 and driven magnetic drive 4232.Described motor shaft 4211 and described active magnetic drive 4231 to be connected, fixing.Described driven magnetic drives 4232 and is provided with a pump head power shaft 4233, and described pump head power shaft 4233 is connected with described gear mechanism 4222, fixing.
During work, described motor 421 powers on, described motor output shaft 4211 drives described active magnetic to drive 4231 rotations, then described active magnetic is driven 4231 drive pump head power shafts 4233 and is rotated, described pump head power shaft 4233 further driven gear mechanism 4222 rotates, thus described urea liquid is flowed along the direction of arrow, and improve the outlet pressure of urea liquid.In the illustrated embodiment of the utility model, because described gear mechanism 4222 is positioned at described urea runner 4221 bottommost, the bubble in urea liquid can be avoided in described pump head 422 accumulated inside, guarantee the operating efficiency of pumping liquid and deliver the precision of measure control.
Monitoring modular 431 before described inlet ductwork 43 comprises the pump being positioned at bottom, connect described pump before monitoring modular 431 inlet tube 432 and described inlet tube 432 is connected to the entrance tube connector 433 of described pump head 422.The described inlet ductwork 43 connected by multiple parts can play maintainability easily.In the illustrated embodiment of the utility model, before described pump, monitoring modular 431 is hex surface structure, has high reliability, densification, light-weighted feature.Monitoring modular 431 is provided with B/P EGR Back Pressure Transducer EGR 4311 and urea temperature sensor before described pump, wherein can judges that described filter 3 is the need of replacing by the described B/P EGR Back Pressure Transducer EGR 4311 of monitoring.
Similarly, monitoring modular 441 after described export pipeline 44 comprises the pump being positioned at bottom, connect described pump after monitoring modular 441 outlet 442 and described outlet 442 is connected to the outlet connecting pipe 443 of described pump head 422.The described export pipeline 44 connected by multiple parts can play maintainability easily.In the illustrated embodiment of the utility model, after described pump, monitoring modular 441 is hex surface structure, has high reliability, densification, light-weighted feature.After described pump, monitoring modular 441 is provided with pressure sensor 4411, to detect the pressure of high pressure section.
In the illustrated embodiment of the utility model, before described pump, after monitoring modular 431 and described pump, monitoring modular 441 is bore a hole and installs, namely before described pump after monitoring modular 431 and described pump monitoring modular 441 all through the diapire 414 of described integrated cabinet 41.Before described pump, monitoring modular 431 offers urea and draw interface 4310; after described pump, monitoring modular 441 offers urea output interface 4410; described urea absorption interface 4310 and described urea output interface 4410 are all positioned at the bottom of described integrated cabinet 41; ensure that outside urea pipeline moves towards layout and adequately protected, avoid the pollution of mechanical collision, other liquid, dust.In addition, before described pump, monitoring modular 431 all adopts the design of parallel urea pipeline with monitoring modular 441 after described pump, to reduce crushing to greatest extent.
Shown in please refer to the drawing 13, in the illustrated embodiment of the utility model, the runner of described urea liquid forms the cooling of liquid coiled temperature in described integrated cabinet 41.The power source that described pump 42 is carried as urea, it adopts on the wall-hanging adjustment supporting mechanism 4125 being arranged in described rear wall 412, to ensure tolerance, the controllability in above-below direction assembling process.In the illustrated embodiment of the utility model, described pump 42 is vertically arranged, described pump head 422 vertically upward, on the one hand, based on magnetic driving mechanism, can ensure described active magnetic drive 4231 with driven magnetic drive 4232 centring property, the transmission efficiency of magnetic drive force in elevator pump assembly; On the other hand, the bubble accumulated in the pump housing in urea liquid can be eliminated, guarantee the operating efficiency of described pump 42 pumping liquid and deliver the precision of measure control.
Shown in please refer to the drawing 13, in described integrated cabinet 41, be also provided with the pump driver module 4131 be arranged on inside described roof 413.Described pump driver module 4131 can be positioned at higher position by this design, thus avoids being short-circuited because of the spilling of urea liquid.Described pump driver module 4131 fits tightly with described roof 413.Setting like this, the heat that the described pump driver module 4131 that can dispel the heat in time work produces, ensures the normal operating temperature of pump driver module 4131 described in this.In addition, because described pump driver module 4131 is near described pump head 422, the urea liquid in described pump head 422 also can take away the partial heat energy of described pump driver module 4131 radiation.
In addition, the technical scheme of above embodiment only for illustration of the utility model and described by unrestricted the utility model, understanding of this description should based on person of ordinary skill in the field, such as " front and back are run through " refers to and did not run through before installing other parts, again such as to " front ", " afterwards ", " left side ", " right side ", " on ", the description of D score isotropy, although this description has been described in detail the utility model with reference to the above embodiments, but, those of ordinary skill in the art is to be understood that, person of ordinary skill in the field still can modify to the utility model or equivalent replacement, and all do not depart from technical scheme and the improvement thereof of spirit and scope of the present utility model, all should be encompassed in right of the present utility model.
Claims (10)
1. a filter, the head comprising housing, be removably installed in the filter core in described housing and match with described housing, it is characterized in that: described head is provided with bottom, described housing is provided with a portion and is positioned at a contiguous block at top, portion, the thickness of described contiguous block is greater than the wall thickness in described cylinder portion, and described bottom and described contiguous block are provided with the external screw thread and internal thread that cooperatively interact.
2. filter as claimed in claim 1, it is characterized in that: described bottom is provided with described external screw thread, described contiguous block is provided with the described internal thread matched with described external screw thread.
3. filter as claimed in claim 1, is characterized in that: described contiguous block separates with described cylinder portion and makes, and described contiguous block is welded in the top in described cylinder portion.
4. filter as claimed in claim 1, is characterized in that: described housing also comprises the bottom that is located at bottom, described cylinder portion and is positioned at described bottom and upwards supports the spring of described filter core, and described bottom and described cylinder portion weld together.
5. filter as claimed in claim 1, it is characterized in that: described filter also comprises the rubber blanket between described filter core and described bottom, described bottom extends in described rubber blanket at least partially.
6. filter as claimed in claim 5, is characterized in that: described filter core comprise be positioned at peripheral filter course and by described filter course around inner space, described rubber blanket extends in described filter core at least partially.
7. filter as claimed in claim 1, it is characterized in that: the outlet connection that described head also comprises upper end, the inlet union be connected with upper end and is connected with upper end, described lower end part is in the bottom of described upper end.
8. filter as claimed in claim 7, is characterized in that: described inlet union and described outlet connection and described upper end fit together after being and being provided separately again.
9. filter as claimed in claim 1, is characterized in that: described filter also comprises the sealing ring be socketed on described bottom.
10. the filter as described in any one in claim 1 to 9, it is characterized in that: described head is machined piece, described cylinder portion and described contiguous block are made by stainless steel.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420680139.0U CN204261451U (en) | 2014-11-14 | 2014-11-14 | Filter |
| PCT/CN2015/094448 WO2016074630A1 (en) | 2014-11-14 | 2015-11-12 | Filter assembly |
| PCT/CN2015/094455 WO2016074633A1 (en) | 2014-11-14 | 2015-11-12 | Filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420680139.0U CN204261451U (en) | 2014-11-14 | 2014-11-14 | Filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204261451U true CN204261451U (en) | 2015-04-15 |
Family
ID=52796351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420680139.0U Expired - Fee Related CN204261451U (en) | 2014-11-14 | 2014-11-14 | Filter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204261451U (en) |
| WO (1) | WO2016074633A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016074633A1 (en) * | 2014-11-14 | 2016-05-19 | 天纳克（苏州）排放系统有限公司 | Filter |
| CN105854509A (en) * | 2016-05-12 | 2016-08-17 | 北京石油化工学院 | Novel multi-section annular oil-gas adsorption tank |
| WO2018145496A1 (en) * | 2017-02-08 | 2018-08-16 | 天纳克（苏州）排放系统有限公司 | Heating filter assembly and post treatment system assembly |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD226139A3 (en) * | 1983-01-27 | 1985-08-14 | Ifa Automobilwerke Veb | FILTER FOR STROEMENDE MEDIA |
| IT8846845A0 (en) * | 1988-05-10 | 1988-05-10 | Universal Filter Spa | DISPOSABLE FILTERING UNIT FOR TRIPLE FILTRATION OIL |
| DE4331467A1 (en) * | 1993-09-16 | 1995-03-23 | Knecht Filterwerke Gmbh | Fuel filter |
| US8293103B2 (en) * | 2005-12-08 | 2012-10-23 | Donaldson Company, Inc. | Spin-on filter assembly and methods |
| CN201445843U (en) * | 2009-06-19 | 2010-05-05 | 克拉克过滤器（中国）有限公司 | Rotating engine oil filter device |
| CN204261451U (en) * | 2014-11-14 | 2015-04-15 | 天纳克（苏州）排放系统有限公司 | Filter |
-
2014
- 2014-11-14 CN CN201420680139.0U patent/CN204261451U/en not_active Expired - Fee Related
-
2015
- 2015-11-12 WO PCT/CN2015/094455 patent/WO2016074633A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016074633A1 (en) * | 2014-11-14 | 2016-05-19 | 天纳克（苏州）排放系统有限公司 | Filter |
| CN105854509A (en) * | 2016-05-12 | 2016-08-17 | 北京石油化工学院 | Novel multi-section annular oil-gas adsorption tank |
| WO2018145496A1 (en) * | 2017-02-08 | 2018-08-16 | 天纳克（苏州）排放系统有限公司 | Heating filter assembly and post treatment system assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016074633A1 (en) | 2016-05-19 |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 |