CN105370351A - Heat insulation device for three-way catalyst - Google Patents
Heat insulation device for three-way catalyst Download PDFInfo
- Publication number
- CN105370351A CN105370351A CN201510854589.6A CN201510854589A CN105370351A CN 105370351 A CN105370351 A CN 105370351A CN 201510854589 A CN201510854589 A CN 201510854589A CN 105370351 A CN105370351 A CN 105370351A
- Authority
- CN
- China
- Prior art keywords
- thermal shield
- shield
- heat insulation
- thermal
- exhaust
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Exhaust Silencers (AREA)
- Supercharger (AREA)
Abstract
The invention discloses a heat insulation device for a three-way catalyst. The heat insulation device comprises an exhaust manifold and the three-way catalyst. An exhaust heat insulation cover, a catalyst heat insulation cover and a supercharger heat insulation cover are arranged on one side of the three-way catalyst. Reinforcing ribs are arranged on the outer surfaces of the exhaust heat insulation cover, the catalyst heat insulation cover and the supercharger heat insulation cover respectively. The inner sides and the outer sides of the exhaust heat insulation cover, the catalyst heat insulation cover and the supercharger heat insulation cover are all made of metal plates. Ceramic fiber paper boards are arranged between the metal plates. The metal plate on the inner side of the exhaust heat insulation cover, the metal plate on the inner side of the catalyst heat insulation cover, and the metal plate on the inner side of the supercharger heat insulation cover turn downwards and are connected with the metal plate on the outer side of the exhaust heat insulation cover, the metal plate on the outer side of the catalyst heat insulation cover, and the metal plate on the outer side of the supercharger heat insulation cover respectively. By means of the heat insulation device for the three-way catalyst, the heat insulation effect is effectively improved, the rigidity of a heat insulation assembly is improved, the resonance phenomenon between the heat insulation covers and an engine is avoided, and the automobile performance and driving experience are effectively improved. The heat insulation device for the three-way catalyst has the beneficial effects of being easy to transform and produce and the like.
Description
Technical field
The present invention relates to a kind of heat-proof device, particularly relate to a kind of ternary catalyzing unit heat-proof device.
Background technique
The vent systems of automobile is the important assembly of discharge and noise reduction, and it is primarily of compositions such as gas exhaust manifold, catalyzing type purifier, silencing apparatus, tail pipes.Its major function be the waste gas that motor produces in combustion is collected in multiple cylinder, clean (through ternary catalyzing unit), eliminate the noise, then discharge after guiding to car, and the Main Function of the heat insulation assembly of gas exhaust manifold, ternary catalyzing unit blocks gas exhaust manifold, heat exchange between ternary catalyzing unit and its Surrounding Parts.Its shape depends primarily on the requirement of gas exhaust manifold, space between ternary catalyzing unit and its Surrounding Parts and assembly technology.At present, the most structure of tradition thermal shield is that individual layer aluminium foil or the compacting of double-level-metal plate form, its effect of heat insulation is poor, simultaneously, owing to not being interconnected in thermal shield assembly, cause the rigidity of thermal shield assembly lower and make thermal shield easily and motor produce resonance phenomenon, and then affect vehicle performance and driving experience.
Therefore those skilled in the art are devoted to develop a kind of thermal shield improving effect of heat insulation.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of thermal shield improving effect of heat insulation.
For achieving the above object, the invention provides a kind of ternary catalyzing unit heat-proof device, comprise gas exhaust manifold and ternary catalyzing unit, the side of ternary catalyzing unit is provided with exhaust thermal shield, catalyst converter thermal shield and supercharger heat shield; The outer surface of exhaust thermal shield, catalyst converter thermal shield and supercharger heat shield is provided with stiffening rib;
The interior outside of exhaust thermal shield, catalyst converter thermal shield and supercharger heat shield is made by sheet metal, respectively state between sheet metal and be provided with ceramic fiber cardboard, exhaust thermal shield, catalyst converter thermal shield are connected with the sheet metal outside exhaust thermal shield, catalyst converter thermal shield and supercharger heat shield with the downward flange of the sheet metal inside supercharger heat shield;
The thickness of sheet metal is 0.2mm-0.6mm, and the thickness of ceramic fiber cardboard is 0.8mm-1.6mm;
Thermal shield is arranged on the downside of gas exhaust manifold and ternary catalyzing unit, and catalyst converter thermal shield and supercharger heat shield are arranged on the upper of gas exhaust manifold and ternary catalyzing unit; Exhaust thermal shield, catalyst converter thermal shield and depressor thermal shield are provided with joint, joint are provided with attachment hole and screw, exhaust thermal shield, catalyst converter thermal shield and depressor thermal shield are each other by screw and the detachable flexible connection of screw hole;
Supercharger heat shield is provided with pressurized machine thermal baffle, depressor thermal shield is between pressurized machine thermal baffle and thermal shield; Thermal shield is provided with damping pad;
Exhaust thermal shield, catalyst converter thermal shield and supercharger heat shield form one and hold cavity, and gas exhaust manifold and ternary catalyzing unit are arranged in and hold cavity;
Supercharger heat shield is provided with pressurized machine thermal baffle, pressurized machine thermal baffle is positioned at the both sides of supercharger heat shield with exhaust thermal shield,
In order to improve effect of heat insulation, the thickness of sheet metal is 0.5mm, and the thickness of ceramic beaverboard is 1mm.
In order to improve the antiseptic property of damping pad, increase the service life, damping pad adopts stainless steel to make.
The invention has the beneficial effects as follows:
1) effect of heat insulation is effectively raised;
2) improve the rigidity of heat insulation assembly;
3) thermal shield and motor generation resonance phenomenon is avoided;
5) effectively improve the performance of car and drive to experience, having transformation simple, easily production waits beneficial effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is sheet metal turnup structure schematic diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As Figure 1-Figure 2, a kind of ternary catalyzing unit heat-proof device, comprises gas exhaust manifold and ternary catalyzing unit, and the side of ternary catalyzing unit is provided with exhaust thermal shield 1, catalyst converter thermal shield 2 and supercharger heat shield 3; The outer surface of exhaust thermal shield 1, catalyst converter thermal shield 2 and supercharger heat shield 3 is provided with stiffening rib 8;
The interior outside of exhaust thermal shield 1, catalyst converter thermal shield 2 and supercharger heat shield 3 is made by sheet metal 4, respectively state between sheet metal 4 and be provided with ceramic fiber cardboard 5, exhaust thermal shield 1, catalyst converter thermal shield 2 and the sheet metal 4 inside supercharger heat shield 3 downwards flange are connected with the sheet metal 4 outside exhaust thermal shield 1, catalyst converter thermal shield 2 and supercharger heat shield 3;
The thickness of sheet metal 4 is 0.2mm-0.6mm, and the thickness of ceramic fiber cardboard 5 is 0.8mm-1.6mm; In the present embodiment, the thickness of sheet metal 4 is 0.5mm, and the thickness of ceramic beaverboard 5 is 1mm.Through test of many times, the thickness of sheet metal 4 is 0.5mm, and when the thickness of ceramic beaverboard 5 is 1mm, effect of heat insulation is best.
Thermal shield 1 is arranged on the downside of gas exhaust manifold and ternary catalyzing unit, and catalyst converter thermal shield 2 and supercharger heat shield 3 are arranged on the upper of gas exhaust manifold and ternary catalyzing unit; Exhaust thermal shield 1, catalyst converter thermal shield 2 and depressor thermal shield 3 are provided with joint, joint is provided with attachment hole and screw, exhaust thermal shield 1, catalyst converter thermal shield 2 and depressor thermal shield 3 are each other by screw and the detachable flexible connection of screw hole;
Supercharger heat shield 3 is provided with pressurized machine thermal baffle 6, depressor thermal shield 3 is between pressurized machine thermal baffle 6 and thermal shield 1; Thermal shield 1 is provided with damping pad 7; Damping pad 7 adopts stainless steel to make, and can play antisepsis.
Exhaust thermal shield 1, catalyst converter thermal shield 2 and supercharger heat shield 3 form one and hold cavity, and gas exhaust manifold and ternary catalyzing unit are arranged in and hold cavity;
Supercharger heat shield 3 is provided with pressurized machine thermal baffle 6, pressurized machine thermal baffle 6 is positioned at the both sides of supercharger heat shield 3 with exhaust thermal shield 1,
The R10C gas exhaust manifold of the present embodiment, ternary catalyzing unit thermal shield assembly, comprise and be arranged at R10C petrol engine gas exhaust manifold, the exhaust thermal shield 1 of ternary catalyzing unit side, be arranged at catalyst converter thermal shield 2 and the supercharger heat shield 3 of opposite side, concrete, catalyst converter thermal shield 2 and supercharger heat shield 3 are arranged at R10C petrol engine gas exhaust manifold, the upside of ternary catalyzing unit, exhaust thermal shield 1 is arranged at R10C petrol engine gas exhaust manifold, the downside of ternary catalyzing unit, form one between three and can hold R10C petrol engine gas exhaust manifold, the hollow tubular structure of ternary catalyzing unit, by this hollow tubular structure to R10C petrol engine gas exhaust manifold, ternary catalyzing unit forms parcel shape and reaches better effect of heat insulation, exhaust thermal shield 1 and between catalyst converter thermal shield 2 and supercharger heat shield 3, and all by being flexibly connected dismountable being fixed together between catalyst converter thermal shield 2 and supercharger heat shield 3, can dismantle efficiently, in the present embodiment, exhaust thermal shield 1 and catalyst converter thermal shield 2 and supercharger heat shield 3 are the stratiform structure of three layers, wherein, two-layer is up and down sheet metal 4, mesosphere is ceramic fiber cardboard 5, the edge of the present embodiment upper strata sheet metal has and forms one between downward flange 9 and lower metal plate ceramic fiber cardboard 5 is wrapped in interior seal space, realize fixing the sealing of ceramic fiber cardboard 5, be unlikely to come off, as shown in Figure 2, certainly, also can arrange to upper overturning at lower metal plate, and form one between the sheet metal of upper strata and ceramic fiber cardboard is wrapped in interior seal space, reach same object.
During concrete enforcement, the thickness of sheet metal 4 is thinner relative to ceramic fiber cardboard 5, if the thickness range 0.2mm-0.6mm of sheet metal 4, the thickness of ceramic fiber cardboard 5 can be 0.8mm-1.6mm, the total thickness of thermal shield is made to remain on about 2mm, the thickness of sheet metal 4 is 0.5mm more specifically, and the thickness of ceramic beaverboard 5 is 1mm, can reach more excellent effect of heat insulation.
The present embodiment is by exhaust thermal shield, catalyst converter thermal shield and supercharger heat shield form one can hold R10C petrol engine gas exhaust manifold, the space of ternary catalyzing unit, by this space to R10C petrol engine gas exhaust manifold, ternary catalyzing unit forms parcel shape, realize heat insulation, simultaneously, three is fixed together, increase fixed effect, and safety cover assembly structure is set to three-decker, while its effect of heat insulation can be improved, also its rigidity and natural frequency can be improved, reduce the thermal shield local common sound that forced vibration amplitude and resonance produce under encouraging by other, contribute to the noise and the resonance risk that reduce vent systems.
As the improvement of the present embodiment, also comprise the pressurized machine thermal baffle 6 be arranged on supercharger heat shield 3, pressurized machine thermal baffle 6 is positioned at the both sides of supercharger heat shield 3 with exhaust thermal shield 1, is namely heteropleural with exhaust thermal shield 1, can fix with supercharger heat shield 3, or fix with exhaust thermal shield 1.
As the improvement of the present embodiment, also comprise the damping pad 7 being arranged at and exhaust thermal shield 1 adopts stainless steel material to make, significantly can reduce the influence of vibration that motor and thermal shield produce, adopt stainless steel material can increase its antiseptic property, improve its working life.
As the improvement of the present embodiment, exhaust thermal shield 1 and between catalyst converter thermal shield 2 and supercharger heat shield 3, and be provided with the mutually conformal joint overlaped between catalyst converter thermal shield 2 and supercharger heat shield 3, joint is provided with at least one bar hole and a circular port, is flexibly connected as being arranged in bar hole and circular port for fastening bolt or screw.
As the improvement of the present embodiment, the outer surface of exhaust thermal shield 1, catalyst converter thermal shield 2 and supercharger heat shield 3 is provided with stiffening rib 8, increases the structural strength of thermal shield.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technician in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technological scheme of logical analysis, reasoning, or a limited experiment.
Claims (3)
1. a ternary catalyzing unit heat-proof device, comprise gas exhaust manifold and ternary catalyzing unit, it is characterized in that: the side of described ternary catalyzing unit is provided with exhaust thermal shield (1), catalyst converter thermal shield (2) and supercharger heat shield (3); The outer surface of described exhaust thermal shield (1), catalyst converter thermal shield (2) and supercharger heat shield (3) is provided with stiffening rib (8);
The interior outside of described exhaust thermal shield (1), catalyst converter thermal shield (2) and supercharger heat shield (3) is made by sheet metal (4), respectively state between sheet metal (4) and be provided with ceramic fiber cardboard (5), the sheet metal (4) inside described exhaust thermal shield (1), catalyst converter thermal shield (2) and supercharger heat shield (3) downwards flange is connected with the sheet metal (4) outside described exhaust thermal shield (1), catalyst converter thermal shield (2) and supercharger heat shield (3);
The thickness of described sheet metal (4) is 0.2mm-0.6mm, and the thickness of described ceramic fiber cardboard (5) is 0.8mm-1.6mm;
Described thermal shield (1) is arranged on the downside of described gas exhaust manifold and described ternary catalyzing unit, and described catalyst converter thermal shield (2) and supercharger heat shield (3) are arranged on the upper of described gas exhaust manifold and described ternary catalyzing unit; Described exhaust thermal shield (1), catalyst converter thermal shield (2) and described depressor thermal shield (3) are provided with joint, described joint is provided with attachment hole and screw, described exhaust thermal shield (1), catalyst converter thermal shield (2) and described depressor thermal shield (3) are each other by screw and the detachable flexible connection of screw hole;
Described supercharger heat shield (3) is provided with pressurized machine thermal baffle (6), described depressor thermal shield (3) is positioned between described pressurized machine thermal baffle (6) and described thermal shield (1); Described thermal shield (1) is provided with damping pad (7);
Described exhaust thermal shield (1), catalyst converter thermal shield (2) and supercharger heat shield (3) form one and hold cavity, and described gas exhaust manifold and described ternary catalyzing unit are arranged in described accommodation cavity;
Described supercharger heat shield (3) is provided with pressurized machine thermal baffle (6), described pressurized machine thermal baffle (6) and described exhaust thermal shield (1) are positioned at the both sides of described supercharger heat shield (3).
2. ternary catalyzing unit heat-proof device as claimed in claim 1, it is characterized in that: the thickness of described sheet metal (4) is 0.5mm, the thickness of described ceramic beaverboard (5) is 1mm.
3. ternary catalyzing unit heat-proof device as claimed in claim 1 or 2, is characterized in that: described damping pad (7) adopts stainless steel to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510854589.6A CN105370351A (en) | 2015-11-30 | 2015-11-30 | Heat insulation device for three-way catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510854589.6A CN105370351A (en) | 2015-11-30 | 2015-11-30 | Heat insulation device for three-way catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105370351A true CN105370351A (en) | 2016-03-02 |
Family
ID=55372901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510854589.6A Pending CN105370351A (en) | 2015-11-30 | 2015-11-30 | Heat insulation device for three-way catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105370351A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202832742U (en) * | 2012-09-29 | 2013-03-27 | 河北长安汽车有限公司 | Silencer thermal insulation cover |
| CN204099024U (en) * | 2014-09-29 | 2015-01-14 | 安徽江淮汽车股份有限公司 | A kind of gas exhaust manifold thermal baffle |
| KR20150079026A (en) * | 2013-12-31 | 2015-07-08 | 현대자동차주식회사 | Exhaust gas exhaust system |
| CN204553655U (en) * | 2015-03-03 | 2015-08-12 | 东南（福建）汽车工业有限公司 | Damping device on a kind of vehicle engine exhaust divided manifold thermal shield |
| CN204627717U (en) * | 2015-04-30 | 2015-09-09 | 重庆祥吉机械制造有限公司 | Gas exhaust manifold, ternary catalyzing unit and supercharger heat shield assembly |
| CN204627727U (en) * | 2015-04-30 | 2015-09-09 | 重庆祥吉机械制造有限公司 | Gas exhaust manifold, ternary catalyzing unit thermal shield assembly |
| CN205225392U (en) * | 2015-11-30 | 2016-05-11 | 重庆祥吉机械制造有限公司 | Three way catalyst converter heat -proof device |
-
2015
- 2015-11-30 CN CN201510854589.6A patent/CN105370351A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202832742U (en) * | 2012-09-29 | 2013-03-27 | 河北长安汽车有限公司 | Silencer thermal insulation cover |
| KR20150079026A (en) * | 2013-12-31 | 2015-07-08 | 현대자동차주식회사 | Exhaust gas exhaust system |
| CN204099024U (en) * | 2014-09-29 | 2015-01-14 | 安徽江淮汽车股份有限公司 | A kind of gas exhaust manifold thermal baffle |
| CN204553655U (en) * | 2015-03-03 | 2015-08-12 | 东南（福建）汽车工业有限公司 | Damping device on a kind of vehicle engine exhaust divided manifold thermal shield |
| CN204627717U (en) * | 2015-04-30 | 2015-09-09 | 重庆祥吉机械制造有限公司 | Gas exhaust manifold, ternary catalyzing unit and supercharger heat shield assembly |
| CN204627727U (en) * | 2015-04-30 | 2015-09-09 | 重庆祥吉机械制造有限公司 | Gas exhaust manifold, ternary catalyzing unit thermal shield assembly |
| CN205225392U (en) * | 2015-11-30 | 2016-05-11 | 重庆祥吉机械制造有限公司 | Three way catalyst converter heat -proof device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204627727U (en) | Gas exhaust manifold, ternary catalyzing unit thermal shield assembly | |
| CN204627717U (en) | Gas exhaust manifold, ternary catalyzing unit and supercharger heat shield assembly | |
| CN202273741U (en) | Stainless steel exhaust manifold structure | |
| CN205154338U (en) | Heat insulating cover | |
| CN205225392U (en) | Three way catalyst converter heat -proof device | |
| CN205154342U (en) | Three way catalyst converter structure that insulates against heat | |
| CN203035307U (en) | Integrated selective catalytic reduction (SCR) catalytic conversion muffler for diesel engine | |
| CN205154340U (en) | Engine structure that insulates against heat | |
| CN205154345U (en) | Engine separates heat exchanger structure | |
| CN205154344U (en) | Engine heat -proof device | |
| CN105370351A (en) | Heat insulation device for three-way catalyst | |
| CN205154341U (en) | Ternary separates heat exchanger device | |
| CN205154343U (en) | Separate heat exchanger device | |
| CN205154337U (en) | Separate heat exchanger structure | |
| CN105370364A (en) | Heat insulation structure for three-way catalyst | |
| CN205154339U (en) | Engine separates heat exchanger | |
| CN105508011A (en) | Heat shield device | |
| CN105443220A (en) | Thermal isolation shield | |
| CN205532823U (en) | R10C exhaust manifold , three way catalyst converter separate heat exchanger assembly | |
| CN105370366A (en) | Heat insulation cover structure of engine | |
| CN105370365A (en) | Heat insulation cover structure | |
| CN105402014A (en) | Heat insulating device for engine | |
| CN105370362A (en) | Engine heat insulation structure | |
| CN105370363A (en) | Three-way heat shield device | |
| CN206190367U (en) | Disconnect -type urea solution tank device of maring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160302 |
|
| WD01 | Invention patent application deemed withdrawn after publication |