CN204436547U - A kind of SCR silencing apparatus of automobile-use - Google Patents
A kind of SCR silencing apparatus of automobile-use Download PDFInfo
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- CN204436547U CN204436547U CN201520102261.4U CN201520102261U CN204436547U CN 204436547 U CN204436547 U CN 204436547U CN 201520102261 U CN201520102261 U CN 201520102261U CN 204436547 U CN204436547 U CN 204436547U
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- cylinder
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- intake pipe
- scr
- exhaust pipe
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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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- Exhaust Gas After Treatment (AREA)
- Exhaust Silencers (AREA)
Abstract
本实用新型公开了本实用新型是一种机动车用的SCR消声器，包括筒体，筒体内部焊接有内组件，内组件包括两个圆柱状SCR陶瓷载体和筒状外壳，两个陶瓷载体底面相对，陶瓷载体与外壳之间设置有蛭石衬垫，外壳两端缩口；内组件两端焊接有环形连接件，连接件与筒体焊接；筒体两端设置有端盖，筒体进气端的端盖设置有进气管，进气管侧面设置有尿素喷嘴座，进气管端部设置有法兰；筒体排气端的端盖设置有排气管，排气管侧面设置有氮氧传感器座，排气管端部设置有法兰。本方案的有益效果可根据对上述方案的叙述得知，结构简单，设计合理，外形尺寸准确，有利于后续装配和外观观感，且强度高。
The utility model discloses that the utility model is an SCR muffler for a motor vehicle, which includes a cylinder body, and an inner assembly is welded inside the cylinder body, the inner assembly includes two cylindrical SCR ceramic carriers and a cylindrical shell, and the bottom surfaces of the two ceramic carriers Relatively, there is a vermiculite liner between the ceramic carrier and the shell, and the two ends of the shell are narrowed; the two ends of the inner component are welded with annular connectors, and the connectors are welded to the cylinder; both ends of the cylinder are provided with end caps, and the cylinder enters The end cover of the gas end is provided with an intake pipe, the side of the intake pipe is provided with a urea nozzle seat, and the end of the intake pipe is provided with a flange; the end cover of the exhaust end of the cylinder is provided with an exhaust pipe, and the side of the exhaust pipe is provided with a nitrogen and oxygen sensor seat , The end of the exhaust pipe is provided with a flange. The beneficial effect of this solution can be known from the description of the above-mentioned solution. The structure is simple, the design is reasonable, the external dimensions are accurate, it is beneficial to subsequent assembly and appearance, and the strength is high.
Description
技术领域 technical field
本实用新型涉及一种机动车零部件，尤其涉及一种机动车用的SCR消声器。 The utility model relates to a motor vehicle component, in particular to an SCR muffler for the motor vehicle.
背景技术 Background technique
为了提高燃油的利用率，降低汽车尾气中污染物的含量，减少汽车尾气对环境的伤害，国家即将实施国IV排放法规。为了达到国IV排放标准，就必须使用排放后处理技术，SCR技术就是后处理技术中的一种。但是目前采用SCR技术的排气管大多外形尺寸精度不高，给后续装配带来不便及影响外观观感。 In order to improve the utilization rate of fuel, reduce the content of pollutants in automobile exhaust, and reduce the damage of automobile exhaust to the environment, the country will soon implement the National IV emission regulations. In order to meet the National IV emission standards, it is necessary to use exhaust after-treatment technology, and SCR technology is one of the after-treatment technologies. However, at present, most of the exhaust pipes using SCR technology do not have high accuracy in external dimensions, which brings inconvenience to subsequent assembly and affects the appearance.
实用新型内容 Utility model content
本实用新型是针对现有技术所存在的不足，而提供了一种结构简单、设计合理，外形尺寸准确，有利于后续装配和外观观感，且强度高的机动车用的SCR消声器。 The utility model aims at the deficiencies of the prior art, and provides an SCR muffler for motor vehicles with simple structure, reasonable design, accurate external dimensions, favorable follow-up assembly and appearance, and high strength.
为了实现上述目的，本实用新型提供了一种机动车用的SCR消声器，包括筒体，所述筒体内部焊接有内组件，所述内组件包括两个圆柱状SCR陶瓷载体和筒状外壳，所述陶瓷载体与所述外壳之间设置有蛭石衬垫，所述外壳两端缩口；所述内组件两端焊接有环形连接件，所述连接件与所述筒体焊接；所述筒体两端设置有端盖，所述筒体进气端的端盖设置有进气管，所述进气管侧面设置有尿素喷嘴座，所述进气管端部设置有法兰；所述筒体排气端的端盖设置有排气管，所述排气管侧面设置有氮氧传感器座，所述排气管端部设置有法兰。 In order to achieve the above object, the utility model provides an SCR muffler for a motor vehicle, which includes a cylinder, and an inner assembly is welded inside the cylinder, and the inner assembly includes two cylindrical SCR ceramic carriers and a cylindrical shell, A vermiculite liner is arranged between the ceramic carrier and the outer shell, and the two ends of the outer shell are constricted; the two ends of the inner component are welded with annular connectors, and the connectors are welded to the cylinder; the Both ends of the cylinder body are provided with end caps, the end caps at the inlet end of the cylinder body are provided with an air intake pipe, the side of the air intake pipe is provided with a urea nozzle seat, and the end of the air intake pipe is provided with a flange; The end cover of the gas end is provided with an exhaust pipe, the side of the exhaust pipe is provided with a nitrogen and oxygen sensor seat, and the end of the exhaust pipe is provided with a flange.
其中，所述连接件为由钢板冲压而成的环形槽结构。 Wherein, the connecting piece is an annular groove structure stamped from a steel plate.
所述筒体内部位于所述内组件与进气管一端之间还设置有隔板。 A partition is also arranged inside the barrel between the inner component and one end of the intake pipe.
所述进气管、排气管与所述端盖之间均设置有加强筋。 Reinforcing ribs are provided between the intake pipe, the exhaust pipe and the end cover.
所述进气管、排气管与所述法兰连接端均设置有翻边。 The inlet pipe, the exhaust pipe and the flange connection ends are all provided with flanging.
所述筒体和外壳为06Cr19Ni10(SUS304)不锈钢板制作。 The cylinder and the shell are made of 06Cr19Ni10 (SUS304) stainless steel plate.
生产时，先用蛭石衬垫包裹陶瓷载体，再对外壳整形以便将陶瓷载体压入外壳，将外壳两端缩口构成内组件；之后在模具上将外壳与连接件焊接；然后将内组件与连接件压装入筒体并焊接；之后，将隔板、端盖与筒体焊接；最后焊接进气管、出气管、法兰。 During production, the ceramic carrier is first wrapped with a vermiculite liner, and then the outer shell is shaped to press the ceramic carrier into the outer shell, and the two ends of the outer shell are shrunk to form the inner assembly; then the outer shell and the connector are welded on the mold; then the inner assembly Press into the cylinder with the connecting piece and weld it; after that, weld the partition, end cover and cylinder; finally weld the air inlet pipe, air outlet pipe and flange.
本方案的有益效果可根据对上述方案的叙述得知，结构简单，设计合理，外形尺寸准确，有利于后续装配和外观观感，且强度高。将陶瓷载体为主体的内组件塞入式的封装到筒体内部，保证了整体的外观尺寸精度，且提高了陶瓷载体周围的结构强度。进气管和出气管端部设置翻边，不但保证了进气管和出气管的尺寸精度，而且也使端部强化避免了与法兰焊接时的变形，也有效防止了震动导致的焊缝开裂现象。外壳两端缩口处理能防止陶瓷载体的窜动。连接件为由钢板冲压而成的环形槽结构，有利于在磨具上调整环内和环外的尺寸。内组件与进气管一端之间设置有隔板，能再保证内组件与进气管有足够空间的同时提高筒体的强度。筒体和外壳为06Cr19Ni10(SUS304)不锈钢板制作，可很好的解决尿素对消声器筒体的腐蚀问题，且消声器无需进行表面处理。 The beneficial effect of this solution can be known from the description of the above-mentioned solution. The structure is simple, the design is reasonable, the external dimensions are accurate, it is beneficial to subsequent assembly and appearance, and the strength is high. The inner assembly with the ceramic carrier as the main body is plugged into the cylinder to ensure the overall appearance and dimensional accuracy and improve the structural strength around the ceramic carrier. The end of the inlet pipe and the outlet pipe is provided with flanging, which not only ensures the dimensional accuracy of the inlet pipe and the outlet pipe, but also strengthens the end to avoid deformation during welding with the flange, and effectively prevents weld cracking caused by vibration . Shrinking treatment at both ends of the shell can prevent the movement of the ceramic carrier. The connecting piece is an annular groove structure punched by steel plate, which is beneficial to adjust the inner and outer dimensions of the ring on the grinding tool. A partition is arranged between the inner component and one end of the intake pipe, which can ensure enough space between the inner component and the intake pipe and improve the strength of the cylinder. The cylinder and shell are made of 06Cr19Ni10 (SUS304) stainless steel plate, which can well solve the corrosion problem of urea on the muffler cylinder, and the muffler does not need surface treatment.
附图说明 Description of drawings
图1为本实用新型具体实施方式的结构示意图； Fig. 1 is the structural representation of the specific embodiment of the utility model;
图2为内组件的结构示意图； Fig. 2 is a structural schematic diagram of the inner assembly;
图中，1、筒体；2、陶瓷载体；3、外壳；4、蛭石衬垫；5、连接件；6、端盖；7、进气管；8、尿素喷嘴座；9、法兰；10、排气管；11、氮氧传感器座；12、隔板；13、加强筋。 In the figure, 1. Cylinder body; 2. Ceramic carrier; 3. Shell; 4. Vermiculite liner; 5. Connector; 6. End cap; 7. Air intake pipe; 8. Urea nozzle seat; 9. Flange; 10. Exhaust pipe; 11. Nitrogen and oxygen sensor seat; 12. Partition plate; 13. Reinforcing rib.
具体实施方式 detailed description
为能清楚说明本方案的技术特点，下面通过具体实施方式，对本方案进行阐述。 In order to clearly illustrate the technical features of the solution, the solution will be described below through specific implementation modes.
如图1、图2所示，本实用新型是一种机动车用的SCR消声器，包括06Cr19Ni10(SUS304)不锈钢板制作的筒体1，筒体1内部焊接有内组件，内组件包括两个圆柱状SCR陶瓷载体2和06Cr19Ni10(SUS304)不锈钢板制作的筒状外壳3，两个陶瓷载体2圆柱底面相对，陶瓷载体2与外壳3之间设置有蛭石衬垫4，外壳3两端缩口；内组件两端焊接有环形连接件5，连接件5为由钢板冲压而成的环形槽结构，连接件5与筒体1焊接；筒体1两端设置有端盖6，筒体进气端的端盖设置有进气管7，进气管7侧面设置有尿素喷嘴座8，进气管7端部设置有法兰9；筒体1排气端的端盖6设置有排气管10，排气管10侧面设置有氮氧传感器座11，排气管10端部设置有法兰9。筒体1内部位于内组件与进气管7一端之间还设置有隔板12。进气管7、排气管10与端盖6之间均设置有加强筋13。进气管7、排气管10与法兰9连接端均设置有翻边。 As shown in Figure 1 and Figure 2, the utility model is a SCR muffler for motor vehicles, including a cylinder 1 made of 06Cr19Ni10 (SUS304) stainless steel plate, and an inner assembly is welded inside the cylinder 1, and the inner assembly includes two cylinders Shaped SCR ceramic carrier 2 and a cylindrical shell 3 made of 06Cr19Ni10 (SUS304) stainless steel plate, the cylindrical bottom surfaces of the two ceramic carriers 2 face each other, a vermiculite liner 4 is arranged between the ceramic carrier 2 and the shell 3, and the two ends of the shell 3 are necked ; The two ends of the inner component are welded with annular connectors 5, the connectors 5 are annular groove structures stamped by steel plates, the connectors 5 are welded to the cylinder body 1; the two ends of the cylinder body 1 are provided with end caps 6, and the cylinder body takes in air The end cover at the end is provided with an air intake pipe 7, the side of the air intake pipe 7 is provided with a urea nozzle seat 8, and the end of the air intake pipe 7 is provided with a flange 9; the end cover 6 at the exhaust end of the cylinder body 1 is provided with an exhaust pipe 10, A nitrogen and oxygen sensor seat 11 is arranged on the side of the exhaust pipe 10, and a flange 9 is arranged on the end of the exhaust pipe 10. A partition 12 is also provided inside the barrel 1 between the inner component and one end of the intake pipe 7 . Reinforcing ribs 13 are provided between the intake pipe 7 , the exhaust pipe 10 and the end cover 6 . The connection ends of the intake pipe 7, the exhaust pipe 10 and the flange 9 are all provided with flanging.
生产时，先用蛭石衬垫4包裹陶瓷载体2，再对外壳3整形以便将陶瓷载体2压入外壳3，将外壳3两端缩口构成内组件；之后在模具上将外壳3与连接件5焊接；然后将内组件与连接件5压装入筒体1并焊接；之后，将隔板12、端盖6与筒体1焊接；最后焊接进气管7、出气管10、法兰9。 During production, the ceramic carrier 2 is first wrapped with a vermiculite liner 4, and then the outer shell 3 is reshaped so that the ceramic carrier 2 is pressed into the outer shell 3, and the two ends of the outer shell 3 are narrowed to form an inner assembly; then the outer shell 3 is connected with the Part 5 is welded; then the inner assembly and connector 5 are pressed into the cylinder 1 and welded; after that, the separator 12, end cover 6 and cylinder 1 are welded; finally, the inlet pipe 7, the outlet pipe 10, and the flange 9 are welded .
本实用新型未经描述的技术特征能够通过或采用现有技术实现，在此不再赘述，当然，上述说明并非是对本实用新型的限制，本实用新型也并不仅限于上述举例，本技术领域的普通技术人员在本实用新型的实质范围内所做出的变化、改型、添加或替换，也应属于本实用新型的保护范围。 The undescribed technical features of the utility model can be realized by or adopting the prior art, and will not be repeated here. Of course, the above description is not a limitation of the utility model, and the utility model is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary skilled persons within the essential scope of the present utility model shall also belong to the protection scope of the present utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520102261.4U CN204436547U (en) | 2015-02-13 | 2015-02-13 | A kind of SCR silencing apparatus of automobile-use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520102261.4U CN204436547U (en) | 2015-02-13 | 2015-02-13 | A kind of SCR silencing apparatus of automobile-use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204436547U true CN204436547U (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520102261.4U Expired - Lifetime CN204436547U (en) | 2015-02-13 | 2015-02-13 | A kind of SCR silencing apparatus of automobile-use |
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| Country | Link |
|---|---|
| CN (1) | CN204436547U (en) |
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2015
- 2015-02-13 CN CN201520102261.4U patent/CN204436547U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221013 Address after: No. 688, Huanghe Road, Chongqing Automobile Industry Park, Changqing District, Jinan, Shandong 250000 Patentee after: Sinotruk Jinan rubber and plastic parts Co.,Ltd. Address before: Shengjing tangwangshan Road North Panwang Road West, Zhangqiu City, Jinan City, Shandong Province 250200 Patentee before: China National Heavy Duty Truck Group Jinan Power Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150701 |