CN202851119U - Automobile urea tank - Google Patents
Automobile urea tank Download PDFInfo
- Publication number
- CN202851119U CN202851119U CN2012204293031U CN201220429303U CN202851119U CN 202851119 U CN202851119 U CN 202851119U CN 2012204293031 U CN2012204293031 U CN 2012204293031U CN 201220429303 U CN201220429303 U CN 201220429303U CN 202851119 U CN202851119 U CN 202851119U
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- Prior art keywords
- shell
- upper half
- lower half
- valve
- housing lower
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model relates to an automobile urea tank and a forming method of the automobile urea tank. The automobile urea tank is characterized in that the forming method of the automobile urea tank includes following steps, 1) an upper half-shell and a lower half-shell are formed by means of injection molding, 2) after the upper half-shell and the lower half-shell are formed, built-in components of the the upper half-shell and the lower half-shell are assembled, 3) the assembled upper half-shell and the assembled lower half-shell are welded into a whole, 4) parts of surfaces of the the upper half-shell and the lower half-shell are assembled. The forming method of the automobile urea tank is applied, degree of freedom of the built-in components of a tank body is increased, vast raw materials are saved, and the automobile urea tank is simple in structure, good in soundness, and accordingly production efficiency is improved and production cycle is reduced.
Description
Technical field
The utility model relates to the vent systems of diesel car, relates in particular to a kind of automobile urea box.
Background technique
Air quality for protection of the environment; countries in the world have been put into effect every rules policy of control vehicle exhaust in succession; automobile industry is also paid attention to further to the environmental pollution problem that exhaust emissions brings; various requirement is harsh, the rules of limit pollution thing discharge value are competed to put into effect mutually; particularly strict especially to the emission request of nitrogen oxide in the vehicle exhaust; along with the enforcement of EURO 6, the emission limit of nitrogen oxide will reach 0.07g/km.For this reason, each large main engine factory has released the new technology of different reduction exhaust emissionss, comprises mainly that wherein selective catalytic reduction system operating is that Selective Catalytic Reduction-is called for short the SCR technology.Utilize this technology that automobile-used urea liquid Adblue is sprayed in the specific reduction device in the offgas duct and NO
XChemical reaction occurs, and it finally is converted into the nitrogen G﹠W that does not have to pollute discharges.
In the SCR technique system, reducing agent Adblue mainly leaves in the plastic box, and Adblue storage box in the market mainly is by the blow molding process moulding.The SCR casing that adopts blow moulding process to produce, at first cost is higher, and the price of a blow moulding equipment is more than ten times of an injection molding machine, thereby has increased the equipment amortization of each casing; Secondly, automobile-used Adblue storage box volume is less, adopts blow moulding process to be not easy to control the uniformity of wall thickness and the wall thickness of casing, often causes wall thickness excessive, the waste raw material; A large amount of raw-material surplus overlaps appear around the blow moulding and forming product easily, waste a large amount of raw material, moreover adopt blow molding process, the installed with built-in component setting is restricted in the casing, for example, the diameter of the design limitation of large component Saxboard peripheral casing in blow molding process.Therefore, a kind of new method of exigence solves above-mentioned technical problem.
Summary of the invention
The utility model provides a kind of new technique for the technical problem that exists in the prior art just, and namely injection molding forming method passes through the method, can increase the design freedom of casing, and save follow-up welding step, simplify production technology, shorten the manufacture cycle.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows: a kind of automobile urea box forming method, said method comprising the steps of, 1) by two and half housing about the injection moulding process production, 2) up and down after the two and half housing moulding, upper housing lower half build-in components is assembled 3) the upper housing lower half that will assemble is welded as a whole; 4) upper second surface of shell component are assembled.
As a kind of improvement of the present utility model; in the described step 1; in the injection molding process with Saxboard; tank surface component assembly structure is all with the upper half-shell molding and forming; protecting sheet rigging screw; the sensor port welded structure is with the housing lower half molding and forming; perhaps tank surface component assembly structure is with the upper half-shell molding and forming; Saxboard; protecting sheet rigging screw; the sensor port welded structure is with the housing lower half molding and forming; in the process of molding and forming; Saxboard and housing molding and forming are integrated; at first improved the degrees of freedom of casing installed with built-in component design; the design that is the installed with built-in component size no longer is confined to the casing peripheral diameter, and next has reduced follow-up welding job.
As a kind of improvement of the present utility model, in the described step 2, sensor port welded structure internal pump assembly is soldered on the housing lower half.
As a kind of improvement of the present utility model, the welding manner that adopts in the described step 3 is the combination of any one or several modes in laser bonding, IR welding, ultrasonic welding, vibration friction welding, the hot plate welding.
As a kind of improvement of the present utility model, in the described step 4 the tank surface component assembly structure on inlet control valve, filling exhaust valve, work outlet valve and the upper half-shell is assembled, the punching of the method abandoning tradition is welding procedure again, and not only assembling is simple, and good airproof performance.
As a kind of improvement of the present utility model, sensor port welded structure internal pump assembly is soldered in the process of housing lower half, at the inwall of housing lower half baffle plate is set, after the welding baffle plate is taken out.Pump assembly is soldered on the housing lower half, because welding process need to apply larger pressure and guarantee that two weld the fusion between the bodies, and the excessive casing that allows easily of pressure produces deformation, therefore, place corresponding baffle plate at the inwall of housing lower half, baffle plate adopts metallic material, thereby guaranteed the stability of housing shape under weight, described baffle arrangement shape and cabinet wall structure are complementary, and can be set to squarely or circular, and baffle plate is the both sides that are symmetricly set on pump assembly.The method is not only simple, and is effective, and saved a large amount of raw material; the casing of tradition blow moulding and forming is very high to the Structural Design Requirement around the sensor port welded structure; often can take to increase the design of wall thickness, but can waste more raw material like this, thereby so that cost is higher.
A kind of urea box that adopts said method to produce; described urea box comprises upper half-shell, housing lower half; it is characterized in that; be provided with Saxboard and the tank surface component assembly structure of therewith molding and forming on the described upper half-shell; be provided with protecting sheet rigging screw and the sensor port welded structure of therewith molding and forming on the housing lower half; the sensor port welded structure is welded with pump assembly, and the outer surface of upper half-shell is provided with by the tank surface component assembly structure valve body structure that assembles of buckle structure for example.This Standard is simple, and good airproof performance can be enhanced productivity greatly, shortens the manufacture cycle.
As a kind of improvement of the present utility model, be provided with sealing configuration below the described valve body, described sealing configuration is sealing gasket or seal ring, further strengthens its sealing, prevents that urea from leaking.
As a kind of improvement of the present utility model, described valve body comprises inlet control valve, filling exhaust valve, work outlet valve, described inlet control valve is connected with the urea filling mouth of pipe by the urea filler pipe, described filling exhaust valve is connected with pressure retaining valve by the filling exhaust pipe, and described work outlet valve is connected with the work outlet pipe.
As a kind of improvement of the present utility model; described urea box comprises upper half-shell, housing lower half; it is characterized in that; be provided with the tank surface component assembly structure of therewith molding and forming on the described upper half-shell; be provided with protecting sheet rigging screw, sensor port welded structure and the Saxboard of therewith molding and forming on the housing lower half; the sensor port welded structure is welded with pump assembly, and the outer surface of upper half-shell is provided with by the tank surface component assembly structure valve body structure that assembles of buckle structure for example.
As a kind of improvement of the present utility model, be provided with sealing configuration below the described valve body, described sealing configuration is sealing gasket or seal ring, further strengthens its sealing, prevents that urea from leaking.
With respect to prior art, advantage of the present utility model is as follows, 1) to compare the blow molding process cost traditional lower for the equipment that adopts of the method, therefore, can save great amount of cost, and price is relatively cheap, and the price on market is more preponderated; 2) the method can improve the degrees of freedom of casing installed with built-in component design, makes the size of installed with built-in component no longer be confined to the size of peripheral box body diameter in traditional blow molding process; 3) the method is controlled the housing wall thickness easily, thereby produces the thinner and uniform housing of Thickness Distribution of wall thickness, therefore, saves a large amount of raw material; 4) a large amount of raw-material surplus overlaps can not appear in the product of the method production, therefore, have further saved raw material; 5) the method is injection molded into one with installed with built-in component and part component and upper-lower casing in injection moulding process, has reduced follow-up punching welding, and adopts the assembling mode between valve body and the housing, not only simple in structure, soundness is good, and has improved manufacturing efficiency, has shortened the manufacture cycle; 6) urea box of the method production is simple in structure, and valve body and component and housing injection moulding integrated molding have reduced follow-up punching welding, further strengthen its soundness and sealing.
Description of drawings
Fig. 1 is the upper half-shell figure of molding and forming;
Fig. 2 is the housing lower half figure of molding and forming;
Fig. 3 is pump assembly welding schematic representation;
Fig. 4 is upper housing lower half welding schematic representation;
Fig. 5 is valve body assembling schematic representation;
Fig. 6 is valve body assembling enlarged view;
Fig. 7 is urea box overall structure schematic representation.
Fig. 8 is Fig. 4 partial structurtes enlarged views.
Among the figure: 1 is housing lower half, and 2 is upper half-shell, and 3 is inlet control valve; 4 is the urea filler pipe; 5 are the urea filling mouth of pipe, and 6 is pressure retaining valve, and 7 is the filling exhaust pipe; 8 is the filling exhaust valve; 9 are the work outlet valve, and 10 are the work outlet pipe, and 11 is seal ring; 12 is seal ring; 13 is Saxboard, and 14 is seal ring, and 15 is protecting sheet rigging screw; 16 is tank surface component assembly structures; 17 is baffle plate, and 18 is pump assembly, and 19 is valve body; 20 is upper housing lower half weld, and 21 is the sensor port welded structure.
Embodiment
In order to deepen that understanding and cognition of the present utility model is described in detail and introduces the utility model below in conjunction with accompanying drawing.
Embodiment 1:
Referring to Fig. 1-Fig. 6; a kind of automobile urea box forming method; the method may further comprise the steps; 1) by injection moulding process production upper half-shell 2 and housing lower half 1; referring to Fig. 1; 2; can be with Saxboard 13 in the injection molding process; tank surface component assembly structure 16 is all with upper half-shell 2 molding and forming; protecting sheet rigging screw 15; sensor port welded structure 21 is with housing lower half 1 molding and forming; Saxboard 13 and housing molding and forming are integrated; at first improved the degrees of freedom of casing installed with built-in component design; the setting that is installed with built-in component no longer is confined to the casing peripheral diameter, and next has reduced follow-up welding job.2) up and down after the two and half housing moulding, upper housing lower half build-in components is assembled, sensor port welded structure 21 internal pump assemblies 18 are soldered on the housing lower half 1.The upper housing lower half that 3) will assemble is welded as a whole, referring to Fig. 4, the welding manner that can adopt has the combination of any one or several modes in laser bonding, IR welding, ultrasonic welding, vibration friction welding, the hot plate welding, and Fig. 8 is upper housing lower half weld structure enlarged view; 4) upper second surface of shell component are assembled, referring to Fig. 6, valve body 19 and tank surface component assembly structure 16 are assembled according to the arrow direction indication, wherein tank surface component assembly structure 16 can be buckle structure, described valve body 19 mainly comprises inlet control valve 3, urea filling exhaust valve 8, work outlet valve 9 etc., referring to Fig. 5, the tank surface component assembly structure 16 that is about on inlet control valve 3, urea filling exhaust valve 8, work outlet valve 9 and the upper half-shell 2 assembles according to the arrow direction indication.The punching of the method abandoning tradition is welding procedure again, and not only assembling is simple, and good airproof performance.
Embodiment 2:
Referring to Fig. 3, as a kind of improvement of the present utility model, sensor port welded structure 21 internal pump assemblies 18 are soldered in the process of housing lower half 1, at the inwall of housing lower half 1 baffle plate 17 is set, after the welding baffle plate is taken out.Pump assembly is soldered on the housing lower half; because welding process need to apply larger pressure and guarantee that two weld the fusion between the bodies; and the excessive casing that allows easily of pressure produces deformation; therefore; place corresponding baffle plate 17 at the inwall of housing lower half; baffle plate adopts metallic material; thereby guaranteed the stability of housing shape under weight; described baffle arrangement shape and cabinet wall structure are complementary; baffle arrangement can be set to square or circular; baffle plate 17 is the both sides that are symmetricly set on pump assembly 18, and the method is not only simple, and is effective; and a large amount of raw material have been saved; the casing of tradition blow moulding and forming is very high to the Structural Design Requirement around the sensor port welded structure, often can take to increase the design of wall thickness, but can need more raw material like this.
Embodiment 3: in the step 1; by injection moulding process production upper half-shell 2 and housing lower half 1; in the injection molding process, tank surface component assembly structure 16 is with upper half-shell 2 molding and forming, and Saxboard 13, protecting sheet rigging screw 15, sensor port welded structure are with housing lower half 1 molding and forming.All the other steps and advantage and embodiment 1 are identical.
Embodiment 4:
Referring to Fig. 7; a kind of urea box that adopts said method to produce; this urea box comprises upper half-shell 2, housing lower half 1; be provided with Saxboard 13 and the tank surface component assembly structure 16 of therewith molding and forming on the upper half-shell 2; be provided with protecting sheet rigging screw 15 and the sensor port welded structure 21 of therewith molding and forming on the lower half shell 1; the sensor port welded structure is welded with pump assembly 18, and the outer surface of upper half-shell is provided with by tank surface component assembly structure 16 valve body 19 that assembles of buckle structure for example.This Standard is simple, and good airproof performance can be enhanced productivity greatly, shortens the manufacture cycle.
Embodiment 5:
Referring to Fig. 5,6, be provided with sealing configuration below the valve body 19, described sealing configuration is sealing gasket or seal ring.Further strengthen its sealing, prevent that urea from leaking, valve body 19 comprises inlet control valve 3, filling exhaust valve 8, work outlet valve 9, described inlet control valve 3 is connected with the urea filling mouth of pipe 5 by urea filler pipe 4, described filling exhaust valve 8 is connected with pressure retaining valve 6 by filling exhaust pipe 7, and described work outlet valve 9 is connected with work outlet pipe 10.All the other structures and advantage and embodiment 4 are identical.
Embodiment 6:
A kind of urea box that adopts said method to produce; urea box comprises upper half-shell 2; housing lower half 1; be provided with the tank surface component assembly structure 16 of therewith molding and forming on the described upper half-shell 2; be provided with the protecting sheet rigging screw 15 of therewith molding and forming on the housing lower half; sensor port welded structure 21 and Saxboard 13; the sensor port welded structure is welded with pump assembly 18; the outer surface of upper half-shell 2 is provided with by tank surface component assembly structure 16 valve body 19 that assembles of buckle structure for example; be provided with sealing configuration below the valve body 19; described sealing configuration is sealing gasket or seal ring; further strengthen its sealing, prevent that urea from leaking.
The utility model can also be combined to form new technological scheme with implementing 1 and 2 combinations or embodiment 2 and 3.
The utility model can also be combined to form new technological scheme with implementing 4 and 5 combinations or embodiment 5 and 6.
Need to prove above-described embodiment, only is preferred embodiment of the present utility model, is not to limit protection domain of the present utility model, and the equivalents of having done based on the above method all belongs to protection domain of the present utility model.
Claims (5)
1. automobile urea box; described urea box comprises upper half-shell, housing lower half; it is characterized in that; be provided with Saxboard and the tank surface component assembly structure of therewith molding and forming on the described upper half-shell; be provided with protecting sheet rigging screw and the sensor port welded structure of therewith molding and forming on the housing lower half; the sensor port welded structure is welded with pump assembly, and the outer surface of upper half-shell is provided with the valve body structure by the assembling of tank surface component assembly structure.
2. automobile urea box according to claim 1 is characterized in that, is provided with sealing configuration below the described valve body, and described sealing configuration is sealing gasket or seal ring.
3. automobile urea box according to claim 1 and 2, it is characterized in that, described valve body comprises inlet control valve, filling exhaust valve, work outlet valve, described inlet control valve is connected with the urea filling mouth of pipe by the urea filler pipe, described filling exhaust valve is connected with pressure retaining valve by the filling exhaust pipe, and described work outlet valve is connected with the work outlet pipe.
4. automobile urea box; it is characterized in that; described urea box comprises upper half-shell, housing lower half; it is characterized in that; be provided with the tank surface component assembly structure of therewith molding and forming on the described upper half-shell; be provided with protecting sheet rigging screw, sensor port welded structure and the Saxboard of therewith molding and forming on the housing lower half; the sensor port welded structure is welded with pump assembly, and the outer surface of upper half-shell is provided with the valve body structure by the assembling of tank surface component assembly structure.
5. automobile urea box according to claim 4 is characterized in that, is provided with sealing configuration below the described valve body, and described sealing configuration is sealing gasket or seal ring.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204293031U CN202851119U (en) | 2012-08-28 | 2012-08-28 | Automobile urea tank |
| CA2836824A CA2836824C (en) | 2012-08-28 | 2012-09-28 | Automobile urea tank and forming method thereof |
| IN2329MUN2013 IN2013MN02329A (en) | 2012-08-28 | 2012-09-28 | |
| EP12873881.2A EP2733321B1 (en) | 2012-08-28 | 2012-09-28 | Method of forming an automobile urea tank |
| US14/232,085 US9415681B2 (en) | 2012-08-28 | 2012-09-28 | Automobile urea tank forming method |
| PCT/CN2012/082253 WO2014032356A1 (en) | 2012-08-28 | 2012-09-28 | Automobile urea tank and forming method thereof |
| US15/176,779 US20160281571A1 (en) | 2012-08-28 | 2016-06-08 | Automobile Urea Tank and Forming Method Thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204293031U CN202851119U (en) | 2012-08-28 | 2012-08-28 | Automobile urea tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202851119U true CN202851119U (en) | 2013-04-03 |
Family
ID=47982327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204293031U Expired - Lifetime CN202851119U (en) | 2012-08-28 | 2012-08-28 | Automobile urea tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202851119U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939187A (en) * | 2014-03-27 | 2014-07-23 | 安徽江淮汽车股份有限公司 | Urea tank of light bus |
| CN105090584A (en) * | 2015-08-31 | 2015-11-25 | 凯龙高科技股份有限公司 | Ventilation device for urea solution tank |
| CN108372670A (en) * | 2018-02-09 | 2018-08-07 | 佛山市顺德区瑞良塑料制品有限公司 | A kind of production method and process units of plastic bottles |
| CN108915828A (en) * | 2018-08-13 | 2018-11-30 | 亚普汽车部件股份有限公司 | A kind of aerating system of solution storage box |
| CN111219238A (en) * | 2018-11-23 | 2020-06-02 | 埃贝斯佩歇排气技术有限公司 | Method and system for manufacturing exhaust gas apparatus |
-
2012
- 2012-08-28 CN CN2012204293031U patent/CN202851119U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939187A (en) * | 2014-03-27 | 2014-07-23 | 安徽江淮汽车股份有限公司 | Urea tank of light bus |
| CN105090584A (en) * | 2015-08-31 | 2015-11-25 | 凯龙高科技股份有限公司 | Ventilation device for urea solution tank |
| CN105090584B (en) * | 2015-08-31 | 2019-02-12 | 凯龙高科技股份有限公司 | A kind of urea solution tank gas permeable devices |
| CN108372670A (en) * | 2018-02-09 | 2018-08-07 | 佛山市顺德区瑞良塑料制品有限公司 | A kind of production method and process units of plastic bottles |
| CN108915828A (en) * | 2018-08-13 | 2018-11-30 | 亚普汽车部件股份有限公司 | A kind of aerating system of solution storage box |
| CN111219238A (en) * | 2018-11-23 | 2020-06-02 | 埃贝斯佩歇排气技术有限公司 | Method and system for manufacturing exhaust gas apparatus |
| US11162406B2 (en) | 2018-11-23 | 2021-11-02 | Purem GmbH | Process for manufacturing an exhaust system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |